<!doctype html><html><head><meta charset="utf-8"></head><body><pre id="__testling_output"></pre><script>var e;(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ (function (process){var xws = require('xhr-write-stream'); var Stream = require('stream'); var json = typeof JSON === 'object' ? JSON : require('jsonify'); var inspect = require('object-inspect'); process.on = function () {}; var ws = xws('/__testling/sock'); ws.write(window.location.hash + '\n'); function createChannel (writeListen) { var c = new Stream; c.writable = true; c.write = function (buf) { if (writeListen) writeListen(buf); return ws.write(String(buf)); }; c.destroy = function () {}; c.end = function (buf) { c.emit('close'); }; return c; } var lastTestId = 0; process.stdout = createChannel(function (buf) { var m = /^(?:not )? ok (\d+)/.exec(String(buf)); if (m) lastTestId = m[1]; }); process.stderr = createChannel(); process.stdout.on('close', function () { ws.end() }); process.exit = function () { ws.end() }; var oldError = window.onerror; window.onerror = function (err, url, lineNum) { var type = err && err.name || 'Error'; process.stdout.write( 'not ok ' + (lastTestId + 1) + ' ' + type + ': ' + (err && err.message || String(err)) + (lineNum ? ' on line ' + lineNum : '') + '\n' ); if (err && err.stack) { var lines = String(err.stack).split('\n'); var xs = []; for (var i = 0; i < lines.length; i++) { xs.push(' ' + lines[i]); } process.stdout.write([ ' ---', ' stack:', xs.join('\n'), ' ...' ].join('\n') + '\n'); } ws.end(); if (typeof oldError === 'function') { return oldError.apply(this, arguments); } }; window.__testlingErrorHandler = onerror; if (typeof console === 'undefined') { console = {}; } var params = (function () { var unesc = typeof decodeURIComponent !== 'undefined' ? decodeURIComponent : unescape ; var parts = (window.location.search || '').replace(/^\?/, '').split('&'); var opts = {}; for (var i = 0; i < parts.length; i++) { var x = parts[i].split('='); opts[unesc(x[0])] = unesc(x[1]); } return opts; })(); var originalLog = console.log; console.log = function (msg) { var index = 1; var args = arguments; if (typeof msg === 'string') { msg = msg.replace(/(^|[^%])%[sd]/g, function (_, s) { return s + args[index++]; }); } else msg = inspect(msg); for (var i = index; i < args.length; i++) { msg += ' ' + inspect(args[i]); } if (params.show === undefined || parseBoolean(params.show)) { var elem = document.getElementById('__testling_output'); if (elem) { var txt = document.createTextNode(msg + '\n'); elem.appendChild(txt); } } process.stdout.write(msg + '\n'); if (typeof originalLog === 'function') { return originalLog.apply(this, arguments); } else if (originalLog) return originalLog(arguments[0]); }; window.__testlingConsole = console; function parseBoolean (x) { if (x === 'false' || x === '0') return false; return true; } }).call(this,require("/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js")) },{"/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":8,"jsonify":27,"object-inspect":30,"stream":17,"xhr-write-stream":31}],2:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. function EventEmitter() { this._events = this._events || {}; this._maxListeners = this._maxListeners || undefined; } module.exports = EventEmitter; // Backwards-compat with node 0.10.x EventEmitter.EventEmitter = EventEmitter; EventEmitter.prototype._events = undefined; EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are // added to it. This is a useful default which helps finding memory leaks. EventEmitter.defaultMaxListeners = 10; // Obviously not all Emitters should be limited to 10. This function allows // that to be increased. Set to zero for unlimited. EventEmitter.prototype.setMaxListeners = function(n) { if (!isNumber(n) || n < 0 || isNaN(n)) throw TypeError('n must be a positive number'); this._maxListeners = n; return this; }; EventEmitter.prototype.emit = function(type) { var er, handler, len, args, i, listeners; if (!this._events) this._events = {}; // If there is no 'error' event listener then throw. if (type === 'error') { if (!this._events.error || (isObject(this._events.error) && !this._events.error.length)) { er = arguments[1]; if (er instanceof Error) { throw er; // Unhandled 'error' event } else { throw TypeError('Uncaught, unspecified "error" event.'); } return false; } } handler = this._events[type]; if (isUndefined(handler)) return false; if (isFunction(handler)) { switch (arguments.length) { // fast cases case 1: handler.call(this); break; case 2: handler.call(this, arguments[1]); break; case 3: handler.call(this, arguments[1], arguments[2]); break; // slower default: len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; handler.apply(this, args); } } else if (isObject(handler)) { len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; listeners = handler.slice(); len = listeners.length; for (i = 0; i < len; i++) listeners[i].apply(this, args); } return true; }; EventEmitter.prototype.addListener = function(type, listener) { var m; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events) this._events = {}; // To avoid recursion in the case that type === "newListener"! Before // adding it to the listeners, first emit "newListener". if (this._events.newListener) this.emit('newListener', type, isFunction(listener.listener) ? listener.listener : listener); if (!this._events[type]) // Optimize the case of one listener. Don't need the extra array object. this._events[type] = listener; else if (isObject(this._events[type])) // If we've already got an array, just append. this._events[type].push(listener); else // Adding the second element, need to change to array. this._events[type] = [this._events[type], listener]; // Check for listener leak if (isObject(this._events[type]) && !this._events[type].warned) { var m; if (!isUndefined(this._maxListeners)) { m = this._maxListeners; } else { m = EventEmitter.defaultMaxListeners; } if (m && m > 0 && this._events[type].length > m) { this._events[type].warned = true; console.error('(node) warning: possible EventEmitter memory ' + 'leak detected. %d listeners added. ' + 'Use emitter.setMaxListeners() to increase limit.', this._events[type].length); console.trace(); } } return this; }; EventEmitter.prototype.on = EventEmitter.prototype.addListener; EventEmitter.prototype.once = function(type, listener) { if (!isFunction(listener)) throw TypeError('listener must be a function'); var fired = false; function g() { this.removeListener(type, g); if (!fired) { fired = true; listener.apply(this, arguments); } } g.listener = listener; this.on(type, g); return this; }; // emits a 'removeListener' event iff the listener was removed EventEmitter.prototype.removeListener = function(type, listener) { var list, position, length, i; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events || !this._events[type]) return this; list = this._events[type]; length = list.length; position = -1; if (list === listener || (isFunction(list.listener) && list.listener === listener)) { delete this._events[type]; if (this._events.removeListener) this.emit('removeListener', type, listener); } else if (isObject(list)) { for (i = length; i-- > 0;) { if (list[i] === listener || (list[i].listener && list[i].listener === listener)) { position = i; break; } } if (position < 0) return this; if (list.length === 1) { list.length = 0; delete this._events[type]; } else { list.splice(position, 1); } if (this._events.removeListener) this.emit('removeListener', type, listener); } return this; }; EventEmitter.prototype.removeAllListeners = function(type) { var key, listeners; if (!this._events) return this; // not listening for removeListener, no need to emit if (!this._events.removeListener) { if (arguments.length === 0) this._events = {}; else if (this._events[type]) delete this._events[type]; return this; } // emit removeListener for all listeners on all events if (arguments.length === 0) { for (key in this._events) { if (key === 'removeListener') continue; this.removeAllListeners(key); } this.removeAllListeners('removeListener'); this._events = {}; return this; } listeners = this._events[type]; if (isFunction(listeners)) { this.removeListener(type, listeners); } else { // LIFO order while (listeners.length) this.removeListener(type, listeners[listeners.length - 1]); } delete this._events[type]; return this; }; EventEmitter.prototype.listeners = function(type) { var ret; if (!this._events || !this._events[type]) ret = []; else if (isFunction(this._events[type])) ret = [this._events[type]]; else ret = this._events[type].slice(); return ret; }; EventEmitter.listenerCount = function(emitter, type) { var ret; if (!emitter._events || !emitter._events[type]) ret = 0; else if (isFunction(emitter._events[type])) ret = 1; else ret = emitter._events[type].length; return ret; }; function isFunction(arg) { return typeof arg === 'function'; } function isNumber(arg) { return typeof arg === 'number'; } function isObject(arg) { return typeof arg === 'object' && arg !== null; } function isUndefined(arg) { return arg === void 0; } },{}],3:[function(require,module,exports){ var http = module.exports; var EventEmitter = require('events').EventEmitter; var Request = require('./lib/request'); var url = require('url') http.request = function (params, cb) { if (typeof params === 'string') { params = url.parse(params) } if (!params) params = {}; if (!params.host && !params.port) { params.port = parseInt(window.location.port, 10); } if (!params.host && params.hostname) { params.host = params.hostname; } if (!params.scheme) params.scheme = window.location.protocol.split(':')[0]; if (!params.host) { params.host = window.location.hostname || window.location.host; } if (/:/.test(params.host)) { if (!params.port) { params.port = params.host.split(':')[1]; } params.host = params.host.split(':')[0]; } if (!params.port) params.port = params.scheme == 'https' ? 443 : 80; var req = new Request(new xhrHttp, params); if (cb) req.on('response', cb); return req; }; http.get = function (params, cb) { params.method = 'GET'; var req = http.request(params, cb); req.end(); return req; }; http.Agent = function () {}; http.Agent.defaultMaxSockets = 4; var xhrHttp = (function () { if (typeof window === 'undefined') { throw new Error('no window object present'); } else if (window.XMLHttpRequest) { return window.XMLHttpRequest; } else if (window.ActiveXObject) { var axs = [ 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.3.0', 'Microsoft.XMLHTTP' ]; for (var i = 0; i < axs.length; i++) { try { var ax = new(window.ActiveXObject)(axs[i]); return function () { if (ax) { var ax_ = ax; ax = null; return ax_; } else { return new(window.ActiveXObject)(axs[i]); } }; } catch (e) {} } throw new Error('ajax not supported in this browser') } else { throw new Error('ajax not supported in this browser'); } })(); },{"./lib/request":4,"events":2,"url":24}],4:[function(require,module,exports){ var Stream = require('stream'); var Response = require('./response'); var Base64 = require('Base64'); var inherits = require('inherits'); var Request = module.exports = function (xhr, params) { var self = this; self.writable = true; self.xhr = xhr; self.body = []; self.uri = (params.scheme || 'http') + '://' + params.host + (params.port ? ':' + params.port : '') + (params.path || '/') ; try { xhr.withCredentials = true } catch (e) {} xhr.open( params.method || 'GET', self.uri, true ); if (params.headers) { var keys = objectKeys(params.headers); for (var i = 0; i < keys.length; i++) { var key = keys[i]; if (!self.isSafeRequestHeader(key)) continue; var value = params.headers[key]; if (isArray(value)) { for (var j = 0; j < value.length; j++) { xhr.setRequestHeader(key, value[j]); } } else xhr.setRequestHeader(key, value) } } if (params.auth) { //basic auth this.setHeader('Authorization', 'Basic ' + Base64.btoa(params.auth)); } var res = new Response; res.on('close', function () { self.emit('close'); }); res.on('ready', function () { self.emit('response', res); }); xhr.onreadystatechange = function () { res.handle(xhr); }; }; inherits(Request, Stream); Request.prototype.setHeader = function (key, value) { if (isArray(value)) { for (var i = 0; i < value.length; i++) { this.xhr.setRequestHeader(key, value[i]); } } else { this.xhr.setRequestHeader(key, value); } }; Request.prototype.write = function (s) { this.body.push(s); }; Request.prototype.destroy = function (s) { this.xhr.abort(); this.emit('close'); }; Request.prototype.end = function (s) { if (s !== undefined) this.body.push(s); if (this.body.length === 0) { this.xhr.send(''); } else if (typeof this.body[0] === 'string') { this.xhr.send(this.body.join('')); } else if (isArray(this.body[0])) { var body = []; for (var i = 0; i < this.body.length; i++) { body.push.apply(body, this.body[i]); } this.xhr.send(body); } else if (/Array/.test(Object.prototype.toString.call(this.body[0]))) { var len = 0; for (var i = 0; i < this.body.length; i++) { len += this.body[i].length; } var body = new(this.body[0].constructor)(len); var k = 0; for (var i = 0; i < this.body.length; i++) { var b = this.body[i]; for (var j = 0; j < b.length; j++) { body[k++] = b[j]; } } this.xhr.send(body); } else { var body = ''; for (var i = 0; i < this.body.length; i++) { body += this.body[i].toString(); } this.xhr.send(body); } }; // Taken from http://dxr.mozilla.org/mozilla/mozilla-central/content/base/src/nsXMLHttpRequest.cpp.html Request.unsafeHeaders = [ "accept-charset", "accept-encoding", "access-control-request-headers", "access-control-request-method", "connection", "content-length", "cookie", "cookie2", "content-transfer-encoding", "date", "expect", "host", "keep-alive", "origin", "referer", "te", "trailer", "transfer-encoding", "upgrade", "user-agent", "via" ]; Request.prototype.isSafeRequestHeader = function (headerName) { if (!headerName) return false; return indexOf(Request.unsafeHeaders, headerName.toLowerCase()) === -1; }; var objectKeys = Object.keys || function (obj) { var keys = []; for (var key in obj) keys.push(key); return keys; }; var isArray = Array.isArray || function (xs) { return Object.prototype.toString.call(xs) === '[object Array]'; }; var indexOf = function (xs, x) { if (xs.indexOf) return xs.indexOf(x); for (var i = 0; i < xs.length; i++) { if (xs[i] === x) return i; } return -1; }; },{"./response":5,"Base64":6,"inherits":7,"stream":17}],5:[function(require,module,exports){ var Stream = require('stream'); var util = require('util'); var Response = module.exports = function (res) { this.offset = 0; this.readable = true; }; util.inherits(Response, Stream); var capable = { streaming : true, status2 : true }; function parseHeaders (res) { var lines = res.getAllResponseHeaders().split(/\r?\n/); var headers = {}; for (var i = 0; i < lines.length; i++) { var line = lines[i]; if (line === '') continue; var m = line.match(/^([^:]+):\s*(.*)/); if (m) { var key = m[1].toLowerCase(), value = m[2]; if (headers[key] !== undefined) { if (isArray(headers[key])) { headers[key].push(value); } else { headers[key] = [ headers[key], value ]; } } else { headers[key] = value; } } else { headers[line] = true; } } return headers; } Response.prototype.getResponse = function (xhr) { var respType = String(xhr.responseType).toLowerCase(); if (respType === 'blob') return xhr.responseBlob || xhr.response; if (respType === 'arraybuffer') return xhr.response; return xhr.responseText; } Response.prototype.getHeader = function (key) { return this.headers[key.toLowerCase()]; }; Response.prototype.handle = function (res) { if (res.readyState === 2 && capable.status2) { try { this.statusCode = res.status; this.headers = parseHeaders(res); } catch (err) { capable.status2 = false; } if (capable.status2) { this.emit('ready'); } } else if (capable.streaming && res.readyState === 3) { try { if (!this.statusCode) { this.statusCode = res.status; this.headers = parseHeaders(res); this.emit('ready'); } } catch (err) {} try { this._emitData(res); } catch (err) { capable.streaming = false; } } else if (res.readyState === 4) { if (!this.statusCode) { this.statusCode = res.status; this.emit('ready'); } this._emitData(res); if (res.error) { this.emit('error', this.getResponse(res)); } else this.emit('end'); this.emit('close'); } }; Response.prototype._emitData = function (res) { var respBody = this.getResponse(res); if (respBody.toString().match(/ArrayBuffer/)) { this.emit('data', new Uint8Array(respBody, this.offset)); this.offset = respBody.byteLength; return; } if (respBody.length > this.offset) { this.emit('data', respBody.slice(this.offset)); this.offset = respBody.length; } }; var isArray = Array.isArray || function (xs) { return Object.prototype.toString.call(xs) === '[object Array]'; }; },{"stream":17,"util":26}],6:[function(require,module,exports){ ;(function () { var object = typeof exports != 'undefined' ? exports : this; // #8: web workers var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; function InvalidCharacterError(message) { this.message = message; } InvalidCharacterError.prototype = new Error; InvalidCharacterError.prototype.name = 'InvalidCharacterError'; // encoder // [https://gist.github.com/999166] by [https://github.com/nignag] object.btoa || ( object.btoa = function (input) { for ( // initialize result and counter var block, charCode, idx = 0, map = chars, output = ''; // if the next input index does not exist: // change the mapping table to "=" // check if d has no fractional digits input.charAt(idx | 0) || (map = '=', idx % 1); // "8 - idx % 1 * 8" generates the sequence 2, 4, 6, 8 output += map.charAt(63 & block >> 8 - idx % 1 * 8) ) { charCode = input.charCodeAt(idx += 3/4); if (charCode > 0xFF) { throw new InvalidCharacterError("'btoa' failed: The string to be encoded contains characters outside of the Latin1 range."); } block = block << 8 | charCode; } return output; }); // decoder // [https://gist.github.com/1020396] by [https://github.com/atk] object.atob || ( object.atob = function (input) { input = input.replace(/=+$/, '') if (input.length % 4 == 1) { throw new InvalidCharacterError("'atob' failed: The string to be decoded is not correctly encoded."); } for ( // initialize result and counters var bc = 0, bs, buffer, idx = 0, output = ''; // get next character buffer = input.charAt(idx++); // character found in table? initialize bit storage and add its ascii value; ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer, // and if not first of each 4 characters, // convert the first 8 bits to one ascii character bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0 ) { // try to find character in table (0-63, not found => -1) buffer = chars.indexOf(buffer); } return output; }); }()); },{}],7:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } },{}],8:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; process.nextTick = (function () { var canSetImmediate = typeof window !== 'undefined' && window.setImmediate; var canPost = typeof window !== 'undefined' && window.postMessage && window.addEventListener ; if (canSetImmediate) { return function (f) { return window.setImmediate(f) }; } if (canPost) { var queue = []; window.addEventListener('message', function (ev) { var source = ev.source; if ((source === window || source === null) && ev.data === 'process-tick') { ev.stopPropagation(); if (queue.length > 0) { var fn = queue.shift(); fn(); } } }, true); return function nextTick(fn) { queue.push(fn); window.postMessage('process-tick', '*'); }; } return function nextTick(fn) { setTimeout(fn, 0); }; })(); process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; process.binding = function (name) { throw new Error('process.binding is not supported'); } // TODO(shtylman) process.cwd = function () { return '/' }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; },{}],9:[function(require,module,exports){ var base64 = require('base64-js') var ieee754 = require('ieee754') exports.Buffer = Buffer exports.SlowBuffer = Buffer exports.INSPECT_MAX_BYTES = 50 Buffer.poolSize = 8192 /** * If `Buffer._useTypedArrays`: * === true Use Uint8Array implementation (fastest) * === false Use Object implementation (compatible down to IE6) */ Buffer._useTypedArrays = (function () { // Detect if browser supports Typed Arrays. Supported browsers are IE 10+, // Firefox 4+, Chrome 7+, Safari 5.1+, Opera 11.6+, iOS 4.2+. if (typeof Uint8Array === 'undefined' || typeof ArrayBuffer === 'undefined') return false // Does the browser support adding properties to `Uint8Array` instances? If // not, then that's the same as no `Uint8Array` support. We need to be able to // add all the node Buffer API methods. // Relevant Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=695438 try { var arr = new Uint8Array(0) arr.foo = function () { return 42 } return 42 === arr.foo() && typeof arr.subarray === 'function' // Chrome 9-10 lack `subarray` } catch (e) { return false } })() /** * Class: Buffer * ============= * * The Buffer constructor returns instances of `Uint8Array` that are augmented * with function properties for all the node `Buffer` API functions. We use * `Uint8Array` so that square bracket notation works as expected -- it returns * a single octet. * * By augmenting the instances, we can avoid modifying the `Uint8Array` * prototype. */ function Buffer (subject, encoding, noZero) { if (!(this instanceof Buffer)) return new Buffer(subject, encoding, noZero) var type = typeof subject // Workaround: node's base64 implementation allows for non-padded strings // while base64-js does not. if (encoding === 'base64' && type === 'string') { subject = stringtrim(subject) while (subject.length % 4 !== 0) { subject = subject + '=' } } // Find the length var length if (type === 'number') length = coerce(subject) else if (type === 'string') length = Buffer.byteLength(subject, encoding) else if (type === 'object') length = coerce(subject.length) // Assume object is an array else throw new Error('First argument needs to be a number, array or string.') var buf if (Buffer._useTypedArrays) { // Preferred: Return an augmented `Uint8Array` instance for best performance buf = augment(new Uint8Array(length)) } else { // Fallback: Return THIS instance of Buffer (created by `new`) buf = this buf.length = length buf._isBuffer = true } var i if (Buffer._useTypedArrays && typeof Uint8Array === 'function' && subject instanceof Uint8Array) { // Speed optimization -- use set if we're copying from a Uint8Array buf._set(subject) } else if (isArrayish(subject)) { // Treat array-ish objects as a byte array for (i = 0; i < length; i++) { if (Buffer.isBuffer(subject)) buf[i] = subject.readUInt8(i) else buf[i] = subject[i] } } else if (type === 'string') { buf.write(subject, 0, encoding) } else if (type === 'number' && !Buffer._useTypedArrays && !noZero) { for (i = 0; i < length; i++) { buf[i] = 0 } } return buf } // STATIC METHODS // ============== Buffer.isEncoding = function (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'raw': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.isBuffer = function (b) { return !!(b !== null && b !== undefined && b._isBuffer) } Buffer.byteLength = function (str, encoding) { var ret str = str + '' switch (encoding || 'utf8') { case 'hex': ret = str.length / 2 break case 'utf8': case 'utf-8': ret = utf8ToBytes(str).length break case 'ascii': case 'binary': case 'raw': ret = str.length break case 'base64': ret = base64ToBytes(str).length break case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': ret = str.length * 2 break default: throw new Error('Unknown encoding') } return ret } Buffer.concat = function (list, totalLength) { assert(isArray(list), 'Usage: Buffer.concat(list, [totalLength])\n' + 'list should be an Array.') if (list.length === 0) { return new Buffer(0) } else if (list.length === 1) { return list[0] } var i if (typeof totalLength !== 'number') { totalLength = 0 for (i = 0; i < list.length; i++) { totalLength += list[i].length } } var buf = new Buffer(totalLength) var pos = 0 for (i = 0; i < list.length; i++) { var item = list[i] item.copy(buf, pos) pos += item.length } return buf } // BUFFER INSTANCE METHODS // ======================= function _hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 var remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } // must be an even number of digits var strLen = string.length assert(strLen % 2 === 0, 'Invalid hex string') if (length > strLen / 2) { length = strLen / 2 } for (var i = 0; i < length; i++) { var byte = parseInt(string.substr(i * 2, 2), 16) assert(!isNaN(byte), 'Invalid hex string') buf[offset + i] = byte } Buffer._charsWritten = i * 2 return i } function _utf8Write (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(utf8ToBytes(string), buf, offset, length) return charsWritten } function _asciiWrite (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length) return charsWritten } function _binaryWrite (buf, string, offset, length) { return _asciiWrite(buf, string, offset, length) } function _base64Write (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length) return charsWritten } Buffer.prototype.write = function (string, offset, length, encoding) { // Support both (string, offset, length, encoding) // and the legacy (string, encoding, offset, length) if (isFinite(offset)) { if (!isFinite(length)) { encoding = length length = undefined } } else { // legacy var swap = encoding encoding = offset offset = length length = swap } offset = Number(offset) || 0 var remaining = this.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } encoding = String(encoding || 'utf8').toLowerCase() switch (encoding) { case 'hex': return _hexWrite(this, string, offset, length) case 'utf8': case 'utf-8': case 'ucs2': // TODO: No support for ucs2 or utf16le encodings yet case 'ucs-2': case 'utf16le': case 'utf-16le': return _utf8Write(this, string, offset, length) case 'ascii': return _asciiWrite(this, string, offset, length) case 'binary': return _binaryWrite(this, string, offset, length) case 'base64': return _base64Write(this, string, offset, length) default: throw new Error('Unknown encoding') } } Buffer.prototype.toString = function (encoding, start, end) { var self = this encoding = String(encoding || 'utf8').toLowerCase() start = Number(start) || 0 end = (end !== undefined) ? Number(end) : end = self.length // Fastpath empty strings if (end === start) return '' switch (encoding) { case 'hex': return _hexSlice(self, start, end) case 'utf8': case 'utf-8': case 'ucs2': // TODO: No support for ucs2 or utf16le encodings yet case 'ucs-2': case 'utf16le': case 'utf-16le': return _utf8Slice(self, start, end) case 'ascii': return _asciiSlice(self, start, end) case 'binary': return _binarySlice(self, start, end) case 'base64': return _base64Slice(self, start, end) default: throw new Error('Unknown encoding') } } Buffer.prototype.toJSON = function () { return { type: 'Buffer', data: Array.prototype.slice.call(this._arr || this, 0) } } // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) Buffer.prototype.copy = function (target, target_start, start, end) { var source = this if (!start) start = 0 if (!end && end !== 0) end = this.length if (!target_start) target_start = 0 // Copy 0 bytes; we're done if (end === start) return if (target.length === 0 || source.length === 0) return // Fatal error conditions assert(end >= start, 'sourceEnd < sourceStart') assert(target_start >= 0 && target_start < target.length, 'targetStart out of bounds') assert(start >= 0 && start < source.length, 'sourceStart out of bounds') assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds') // Are we oob? if (end > this.length) end = this.length if (target.length - target_start < end - start) end = target.length - target_start + start // copy! for (var i = 0; i < end - start; i++) target[i + target_start] = this[i + start] } function _base64Slice (buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf) } else { return base64.fromByteArray(buf.slice(start, end)) } } function _utf8Slice (buf, start, end) { var res = '' var tmp = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { if (buf[i] <= 0x7F) { res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i]) tmp = '' } else { tmp += '%' + buf[i].toString(16) } } return res + decodeUtf8Char(tmp) } function _asciiSlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) ret += String.fromCharCode(buf[i]) return ret } function _binarySlice (buf, start, end) { return _asciiSlice(buf, start, end) } function _hexSlice (buf, start, end) { var len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len var out = '' for (var i = start; i < end; i++) { out += toHex(buf[i]) } return out } // http://nodejs.org/api/buffer.html#buffer_buf_slice_start_end Buffer.prototype.slice = function (start, end) { var len = this.length start = clamp(start, len, 0) end = clamp(end, len, len) if (Buffer._useTypedArrays) { return augment(this.subarray(start, end)) } else { var sliceLen = end - start var newBuf = new Buffer(sliceLen, undefined, true) for (var i = 0; i < sliceLen; i++) { newBuf[i] = this[i + start] } return newBuf } } // `get` will be removed in Node 0.13+ Buffer.prototype.get = function (offset) { console.log('.get() is deprecated. Access using array indexes instead.') return this.readUInt8(offset) } // `set` will be removed in Node 0.13+ Buffer.prototype.set = function (v, offset) { console.log('.set() is deprecated. Access using array indexes instead.') return this.writeUInt8(v, offset) } Buffer.prototype.readUInt8 = function (offset, noAssert) { if (!noAssert) { assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to read beyond buffer length') } if (offset >= this.length) return return this[offset] } function _readUInt16 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val if (littleEndian) { val = buf[offset] if (offset + 1 < len) val |= buf[offset + 1] << 8 } else { val = buf[offset] << 8 if (offset + 1 < len) val |= buf[offset + 1] } return val } Buffer.prototype.readUInt16LE = function (offset, noAssert) { return _readUInt16(this, offset, true, noAssert) } Buffer.prototype.readUInt16BE = function (offset, noAssert) { return _readUInt16(this, offset, false, noAssert) } function _readUInt32 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val if (littleEndian) { if (offset + 2 < len) val = buf[offset + 2] << 16 if (offset + 1 < len) val |= buf[offset + 1] << 8 val |= buf[offset] if (offset + 3 < len) val = val + (buf[offset + 3] << 24 >>> 0) } else { if (offset + 1 < len) val = buf[offset + 1] << 16 if (offset + 2 < len) val |= buf[offset + 2] << 8 if (offset + 3 < len) val |= buf[offset + 3] val = val + (buf[offset] << 24 >>> 0) } return val } Buffer.prototype.readUInt32LE = function (offset, noAssert) { return _readUInt32(this, offset, true, noAssert) } Buffer.prototype.readUInt32BE = function (offset, noAssert) { return _readUInt32(this, offset, false, noAssert) } Buffer.prototype.readInt8 = function (offset, noAssert) { if (!noAssert) { assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to read beyond buffer length') } if (offset >= this.length) return var neg = this[offset] & 0x80 if (neg) return (0xff - this[offset] + 1) * -1 else return this[offset] } function _readInt16 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val = _readUInt16(buf, offset, littleEndian, true) var neg = val & 0x8000 if (neg) return (0xffff - val + 1) * -1 else return val } Buffer.prototype.readInt16LE = function (offset, noAssert) { return _readInt16(this, offset, true, noAssert) } Buffer.prototype.readInt16BE = function (offset, noAssert) { return _readInt16(this, offset, false, noAssert) } function _readInt32 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val = _readUInt32(buf, offset, littleEndian, true) var neg = val & 0x80000000 if (neg) return (0xffffffff - val + 1) * -1 else return val } Buffer.prototype.readInt32LE = function (offset, noAssert) { return _readInt32(this, offset, true, noAssert) } Buffer.prototype.readInt32BE = function (offset, noAssert) { return _readInt32(this, offset, false, noAssert) } function _readFloat (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } return ieee754.read(buf, offset, littleEndian, 23, 4) } Buffer.prototype.readFloatLE = function (offset, noAssert) { return _readFloat(this, offset, true, noAssert) } Buffer.prototype.readFloatBE = function (offset, noAssert) { return _readFloat(this, offset, false, noAssert) } function _readDouble (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset + 7 < buf.length, 'Trying to read beyond buffer length') } return ieee754.read(buf, offset, littleEndian, 52, 8) } Buffer.prototype.readDoubleLE = function (offset, noAssert) { return _readDouble(this, offset, true, noAssert) } Buffer.prototype.readDoubleBE = function (offset, noAssert) { return _readDouble(this, offset, false, noAssert) } Buffer.prototype.writeUInt8 = function (value, offset, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'trying to write beyond buffer length') verifuint(value, 0xff) } if (offset >= this.length) return this[offset] = value } function _writeUInt16 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'trying to write beyond buffer length') verifuint(value, 0xffff) } var len = buf.length if (offset >= len) return for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) { buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> (littleEndian ? i : 1 - i) * 8 } } Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) { _writeUInt16(this, value, offset, true, noAssert) } Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) { _writeUInt16(this, value, offset, false, noAssert) } function _writeUInt32 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'trying to write beyond buffer length') verifuint(value, 0xffffffff) } var len = buf.length if (offset >= len) return for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) { buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff } } Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) { _writeUInt32(this, value, offset, true, noAssert) } Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) { _writeUInt32(this, value, offset, false, noAssert) } Buffer.prototype.writeInt8 = function (value, offset, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to write beyond buffer length') verifsint(value, 0x7f, -0x80) } if (offset >= this.length) return if (value >= 0) this.writeUInt8(value, offset, noAssert) else this.writeUInt8(0xff + value + 1, offset, noAssert) } function _writeInt16 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to write beyond buffer length') verifsint(value, 0x7fff, -0x8000) } var len = buf.length if (offset >= len) return if (value >= 0) _writeUInt16(buf, value, offset, littleEndian, noAssert) else _writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert) } Buffer.prototype.writeInt16LE = function (value, offset, noAssert) { _writeInt16(this, value, offset, true, noAssert) } Buffer.prototype.writeInt16BE = function (value, offset, noAssert) { _writeInt16(this, value, offset, false, noAssert) } function _writeInt32 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') verifsint(value, 0x7fffffff, -0x80000000) } var len = buf.length if (offset >= len) return if (value >= 0) _writeUInt32(buf, value, offset, littleEndian, noAssert) else _writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert) } Buffer.prototype.writeInt32LE = function (value, offset, noAssert) { _writeInt32(this, value, offset, true, noAssert) } Buffer.prototype.writeInt32BE = function (value, offset, noAssert) { _writeInt32(this, value, offset, false, noAssert) } function _writeFloat (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38) } var len = buf.length if (offset >= len) return ieee754.write(buf, value, offset, littleEndian, 23, 4) } Buffer.prototype.writeFloatLE = function (value, offset, noAssert) { _writeFloat(this, value, offset, true, noAssert) } Buffer.prototype.writeFloatBE = function (value, offset, noAssert) { _writeFloat(this, value, offset, false, noAssert) } function _writeDouble (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 7 < buf.length, 'Trying to write beyond buffer length') verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308) } var len = buf.length if (offset >= len) return ieee754.write(buf, value, offset, littleEndian, 52, 8) } Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) { _writeDouble(this, value, offset, true, noAssert) } Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) { _writeDouble(this, value, offset, false, noAssert) } // fill(value, start=0, end=buffer.length) Buffer.prototype.fill = function (value, start, end) { if (!value) value = 0 if (!start) start = 0 if (!end) end = this.length if (typeof value === 'string') { value = value.charCodeAt(0) } assert(typeof value === 'number' && !isNaN(value), 'value is not a number') assert(end >= start, 'end < start') // Fill 0 bytes; we're done if (end === start) return if (this.length === 0) return assert(start >= 0 && start < this.length, 'start out of bounds') assert(end >= 0 && end <= this.length, 'end out of bounds') for (var i = start; i < end; i++) { this[i] = value } } Buffer.prototype.inspect = function () { var out = [] var len = this.length for (var i = 0; i < len; i++) { out[i] = toHex(this[i]) if (i === exports.INSPECT_MAX_BYTES) { out[i + 1] = '...' break } } return '<Buffer ' + out.join(' ') + '>' } /** * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. * Added in Node 0.12. Only available in browsers that support ArrayBuffer. */ Buffer.prototype.toArrayBuffer = function () { if (typeof Uint8Array === 'function') { if (Buffer._useTypedArrays) { return (new Buffer(this)).buffer } else { var buf = new Uint8Array(this.length) for (var i = 0, len = buf.length; i < len; i += 1) buf[i] = this[i] return buf.buffer } } else { throw new Error('Buffer.toArrayBuffer not supported in this browser') } } // HELPER FUNCTIONS // ================ function stringtrim (str) { if (str.trim) return str.trim() return str.replace(/^\s+|\s+$/g, '') } var BP = Buffer.prototype /** * Augment the Uint8Array *instance* (not the class!) with Buffer methods */ function augment (arr) { arr._isBuffer = true // save reference to original Uint8Array get/set methods before overwriting arr._get = arr.get arr._set = arr.set // deprecated, will be removed in node 0.13+ arr.get = BP.get arr.set = BP.set arr.write = BP.write arr.toString = BP.toString arr.toLocaleString = BP.toString arr.toJSON = BP.toJSON arr.copy = BP.copy arr.slice = BP.slice arr.readUInt8 = BP.readUInt8 arr.readUInt16LE = BP.readUInt16LE arr.readUInt16BE = BP.readUInt16BE arr.readUInt32LE = BP.readUInt32LE arr.readUInt32BE = BP.readUInt32BE arr.readInt8 = BP.readInt8 arr.readInt16LE = BP.readInt16LE arr.readInt16BE = BP.readInt16BE arr.readInt32LE = BP.readInt32LE arr.readInt32BE = BP.readInt32BE arr.readFloatLE = BP.readFloatLE arr.readFloatBE = BP.readFloatBE arr.readDoubleLE = BP.readDoubleLE arr.readDoubleBE = BP.readDoubleBE arr.writeUInt8 = BP.writeUInt8 arr.writeUInt16LE = BP.writeUInt16LE arr.writeUInt16BE = BP.writeUInt16BE arr.writeUInt32LE = BP.writeUInt32LE arr.writeUInt32BE = BP.writeUInt32BE arr.writeInt8 = BP.writeInt8 arr.writeInt16LE = BP.writeInt16LE arr.writeInt16BE = BP.writeInt16BE arr.writeInt32LE = BP.writeInt32LE arr.writeInt32BE = BP.writeInt32BE arr.writeFloatLE = BP.writeFloatLE arr.writeFloatBE = BP.writeFloatBE arr.writeDoubleLE = BP.writeDoubleLE arr.writeDoubleBE = BP.writeDoubleBE arr.fill = BP.fill arr.inspect = BP.inspect arr.toArrayBuffer = BP.toArrayBuffer return arr } // slice(start, end) function clamp (index, len, defaultValue) { if (typeof index !== 'number') return defaultValue index = ~~index; // Coerce to integer. if (index >= len) return len if (index >= 0) return index index += len if (index >= 0) return index return 0 } function coerce (length) { // Coerce length to a number (possibly NaN), round up // in case it's fractional (e.g. 123.456) then do a // double negate to coerce a NaN to 0. Easy, right? length = ~~Math.ceil(+length) return length < 0 ? 0 : length } function isArray (subject) { return (Array.isArray || function (subject) { return Object.prototype.toString.call(subject) === '[object Array]' })(subject) } function isArrayish (subject) { return isArray(subject) || Buffer.isBuffer(subject) || subject && typeof subject === 'object' && typeof subject.length === 'number' } function toHex (n) { if (n < 16) return '0' + n.toString(16) return n.toString(16) } function utf8ToBytes (str) { var byteArray = [] for (var i = 0; i < str.length; i++) { var b = str.charCodeAt(i) if (b <= 0x7F) byteArray.push(str.charCodeAt(i)) else { var start = i if (b >= 0xD800 && b <= 0xDFFF) i++ var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%') for (var j = 0; j < h.length; j++) byteArray.push(parseInt(h[j], 16)) } } return byteArray } function asciiToBytes (str) { var byteArray = [] for (var i = 0; i < str.length; i++) { // Node's code seems to be doing this and not & 0x7F.. byteArray.push(str.charCodeAt(i) & 0xFF) } return byteArray } function base64ToBytes (str) { return base64.toByteArray(str) } function blitBuffer (src, dst, offset, length) { var pos for (var i = 0; i < length; i++) { if ((i + offset >= dst.length) || (i >= src.length)) break dst[i + offset] = src[i] } return i } function decodeUtf8Char (str) { try { return decodeURIComponent(str) } catch (err) { return String.fromCharCode(0xFFFD) // UTF 8 invalid char } } /* * We have to make sure that the value is a valid integer. This means that it * is non-negative. It has no fractional component and that it does not * exceed the maximum allowed value. */ function verifuint (value, max) { assert(typeof value == 'number', 'cannot write a non-number as a number') assert(value >= 0, 'specified a negative value for writing an unsigned value') assert(value <= max, 'value is larger than maximum value for type') assert(Math.floor(value) === value, 'value has a fractional component') } function verifsint(value, max, min) { assert(typeof value == 'number', 'cannot write a non-number as a number') assert(value <= max, 'value larger than maximum allowed value') assert(value >= min, 'value smaller than minimum allowed value') assert(Math.floor(value) === value, 'value has a fractional component') } function verifIEEE754(value, max, min) { assert(typeof value == 'number', 'cannot write a non-number as a number') assert(value <= max, 'value larger than maximum allowed value') assert(value >= min, 'value smaller than minimum allowed value') } function assert (test, message) { if (!test) throw new Error(message || 'Failed assertion') } },{"base64-js":10,"ieee754":11}],10:[function(require,module,exports){ var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; ;(function (exports) { 'use strict'; var Arr = (typeof Uint8Array !== 'undefined') ? Uint8Array : Array var ZERO = '0'.charCodeAt(0) var PLUS = '+'.charCodeAt(0) var SLASH = '/'.charCodeAt(0) var NUMBER = '0'.charCodeAt(0) var LOWER = 'a'.charCodeAt(0) var UPPER = 'A'.charCodeAt(0) function decode (elt) { var code = elt.charCodeAt(0) if (code === PLUS) return 62 // '+' if (code === SLASH) return 63 // '/' if (code < NUMBER) return -1 //no match if (code < NUMBER + 10) return code - NUMBER + 26 + 26 if (code < UPPER + 26) return code - UPPER if (code < LOWER + 26) return code - LOWER + 26 } function b64ToByteArray (b64) { var i, j, l, tmp, placeHolders, arr if (b64.length % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // the number of equal signs (place holders) // if there are two placeholders, than the two characters before it // represent one byte // if there is only one, then the three characters before it represent 2 bytes // this is just a cheap hack to not do indexOf twice var len = b64.length placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 // base64 is 4/3 + up to two characters of the original data arr = new Arr(b64.length * 3 / 4 - placeHolders) // if there are placeholders, only get up to the last complete 4 chars l = placeHolders > 0 ? b64.length - 4 : b64.length var L = 0 function push (v) { arr[L++] = v } for (i = 0, j = 0; i < l; i += 4, j += 3) { tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) push((tmp & 0xFF0000) >> 16) push((tmp & 0xFF00) >> 8) push(tmp & 0xFF) } if (placeHolders === 2) { tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) push(tmp & 0xFF) } else if (placeHolders === 1) { tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) push((tmp >> 8) & 0xFF) push(tmp & 0xFF) } return arr } function uint8ToBase64 (uint8) { var i, extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes output = "", temp, length function encode (num) { return lookup.charAt(num) } function tripletToBase64 (num) { return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) } // go through the array every three bytes, we'll deal with trailing stuff later for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) output += tripletToBase64(temp) } // pad the end with zeros, but make sure to not forget the extra bytes switch (extraBytes) { case 1: temp = uint8[uint8.length - 1] output += encode(temp >> 2) output += encode((temp << 4) & 0x3F) output += '==' break case 2: temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) output += encode(temp >> 10) output += encode((temp >> 4) & 0x3F) output += encode((temp << 2) & 0x3F) output += '=' break } return output } module.exports.toByteArray = b64ToByteArray module.exports.fromByteArray = uint8ToBase64 }()) },{}],11:[function(require,module,exports){ exports.read = function(buffer, offset, isLE, mLen, nBytes) { var e, m, eLen = nBytes * 8 - mLen - 1, eMax = (1 << eLen) - 1, eBias = eMax >> 1, nBits = -7, i = isLE ? (nBytes - 1) : 0, d = isLE ? -1 : 1, s = buffer[offset + i]; i += d; e = s & ((1 << (-nBits)) - 1); s >>= (-nBits); nBits += eLen; for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8); m = e & ((1 << (-nBits)) - 1); e >>= (-nBits); nBits += mLen; for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8); if (e === 0) { e = 1 - eBias; } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity); } else { m = m + Math.pow(2, mLen); e = e - eBias; } return (s ? -1 : 1) * m * Math.pow(2, e - mLen); }; exports.write = function(buffer, value, offset, isLE, mLen, nBytes) { var e, m, c, eLen = nBytes * 8 - mLen - 1, eMax = (1 << eLen) - 1, eBias = eMax >> 1, rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0), i = isLE ? 0 : (nBytes - 1), d = isLE ? 1 : -1, s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; value = Math.abs(value); if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0; e = eMax; } else { e = Math.floor(Math.log(value) / Math.LN2); if (value * (c = Math.pow(2, -e)) < 1) { e--; c *= 2; } if (e + eBias >= 1) { value += rt / c; } else { value += rt * Math.pow(2, 1 - eBias); } if (value * c >= 2) { e++; c /= 2; } if (e + eBias >= eMax) { m = 0; e = eMax; } else if (e + eBias >= 1) { m = (value * c - 1) * Math.pow(2, mLen); e = e + eBias; } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); e = 0; } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8); e = (e << mLen) | m; eLen += mLen; for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8); buffer[offset + i - d] |= s * 128; }; },{}],12:[function(require,module,exports){ (function (global){/*! http://mths.be/punycode v1.2.3 by @mathias */ ;(function(root) { /** Detect free variables */ var freeExports = typeof exports == 'object' && exports; var freeModule = typeof module == 'object' && module && module.exports == freeExports && module; var freeGlobal = typeof global == 'object' && global; if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { root = freeGlobal; } /** * The `punycode` object. * @name punycode * @type Object */ var punycode, /** Highest positive signed 32-bit float value */ maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 /** Bootstring parameters */ base = 36, tMin = 1, tMax = 26, skew = 38, damp = 700, initialBias = 72, initialN = 128, // 0x80 delimiter = '-', // '\x2D' /** Regular expressions */ regexPunycode = /^xn--/, regexNonASCII = /[^ -~]/, // unprintable ASCII chars + non-ASCII chars regexSeparators = /\x2E|\u3002|\uFF0E|\uFF61/g, // RFC 3490 separators /** Error messages */ errors = { 'overflow': 'Overflow: input needs wider integers to process', 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', 'invalid-input': 'Invalid input' }, /** Convenience shortcuts */ baseMinusTMin = base - tMin, floor = Math.floor, stringFromCharCode = String.fromCharCode, /** Temporary variable */ key; /*--------------------------------------------------------------------------*/ /** * A generic error utility function. * @private * @param {String} type The error type. * @returns {Error} Throws a `RangeError` with the applicable error message. */ function error(type) { throw RangeError(errors[type]); } /** * A generic `Array#map` utility function. * @private * @param {Array} array The array to iterate over. * @param {Function} callback The function that gets called for every array * item. * @returns {Array} A new array of values returned by the callback function. */ function map(array, fn) { var length = array.length; while (length--) { array[length] = fn(array[length]); } return array; } /** * A simple `Array#map`-like wrapper to work with domain name strings. * @private * @param {String} domain The domain name. * @param {Function} callback The function that gets called for every * character. * @returns {Array} A new string of characters returned by the callback * function. */ function mapDomain(string, fn) { return map(string.split(regexSeparators), fn).join('.'); } /** * Creates an array containing the numeric code points of each Unicode * character in the string. While JavaScript uses UCS-2 internally, * this function will convert a pair of surrogate halves (each of which * UCS-2 exposes as separate characters) into a single code point, * matching UTF-16. * @see `punycode.ucs2.encode` * @see <http://mathiasbynens.be/notes/javascript-encoding> * @memberOf punycode.ucs2 * @name decode * @param {String} string The Unicode input string (UCS-2). * @returns {Array} The new array of code points. */ function ucs2decode(string) { var output = [], counter = 0, length = string.length, value, extra; while (counter < length) { value = string.charCodeAt(counter++); if (value >= 0xD800 && value <= 0xDBFF && counter < length) { // high surrogate, and there is a next character extra = string.charCodeAt(counter++); if ((extra & 0xFC00) == 0xDC00) { // low surrogate output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); } else { // unmatched surrogate; only append this code unit, in case the next // code unit is the high surrogate of a surrogate pair output.push(value); counter--; } } else { output.push(value); } } return output; } /** * Creates a string based on an array of numeric code points. * @see `punycode.ucs2.decode` * @memberOf punycode.ucs2 * @name encode * @param {Array} codePoints The array of numeric code points. * @returns {String} The new Unicode string (UCS-2). */ function ucs2encode(array) { return map(array, function(value) { var output = ''; if (value > 0xFFFF) { value -= 0x10000; output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); value = 0xDC00 | value & 0x3FF; } output += stringFromCharCode(value); return output; }).join(''); } /** * Converts a basic code point into a digit/integer. * @see `digitToBasic()` * @private * @param {Number} codePoint The basic numeric code point value. * @returns {Number} The numeric value of a basic code point (for use in * representing integers) in the range `0` to `base - 1`, or `base` if * the code point does not represent a value. */ function basicToDigit(codePoint) { if (codePoint - 48 < 10) { return codePoint - 22; } if (codePoint - 65 < 26) { return codePoint - 65; } if (codePoint - 97 < 26) { return codePoint - 97; } return base; } /** * Converts a digit/integer into a basic code point. * @see `basicToDigit()` * @private * @param {Number} digit The numeric value of a basic code point. * @returns {Number} The basic code point whose value (when used for * representing integers) is `digit`, which needs to be in the range * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is * used; else, the lowercase form is used. The behavior is undefined * if `flag` is non-zero and `digit` has no uppercase form. */ function digitToBasic(digit, flag) { // 0..25 map to ASCII a..z or A..Z // 26..35 map to ASCII 0..9 return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); } /** * Bias adaptation function as per section 3.4 of RFC 3492. * http://tools.ietf.org/html/rfc3492#section-3.4 * @private */ function adapt(delta, numPoints, firstTime) { var k = 0; delta = firstTime ? floor(delta / damp) : delta >> 1; delta += floor(delta / numPoints); for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { delta = floor(delta / baseMinusTMin); } return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); } /** * Converts a Punycode string of ASCII-only symbols to a string of Unicode * symbols. * @memberOf punycode * @param {String} input The Punycode string of ASCII-only symbols. * @returns {String} The resulting string of Unicode symbols. */ function decode(input) { // Don't use UCS-2 var output = [], inputLength = input.length, out, i = 0, n = initialN, bias = initialBias, basic, j, index, oldi, w, k, digit, t, length, /** Cached calculation results */ baseMinusT; // Handle the basic code points: let `basic` be the number of input code // points before the last delimiter, or `0` if there is none, then copy // the first basic code points to the output. basic = input.lastIndexOf(delimiter); if (basic < 0) { basic = 0; } for (j = 0; j < basic; ++j) { // if it's not a basic code point if (input.charCodeAt(j) >= 0x80) { error('not-basic'); } output.push(input.charCodeAt(j)); } // Main decoding loop: start just after the last delimiter if any basic code // points were copied; start at the beginning otherwise. for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { // `index` is the index of the next character to be consumed. // Decode a generalized variable-length integer into `delta`, // which gets added to `i`. The overflow checking is easier // if we increase `i` as we go, then subtract off its starting // value at the end to obtain `delta`. for (oldi = i, w = 1, k = base; /* no condition */; k += base) { if (index >= inputLength) { error('invalid-input'); } digit = basicToDigit(input.charCodeAt(index++)); if (digit >= base || digit > floor((maxInt - i) / w)) { error('overflow'); } i += digit * w; t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); if (digit < t) { break; } baseMinusT = base - t; if (w > floor(maxInt / baseMinusT)) { error('overflow'); } w *= baseMinusT; } out = output.length + 1; bias = adapt(i - oldi, out, oldi == 0); // `i` was supposed to wrap around from `out` to `0`, // incrementing `n` each time, so we'll fix that now: if (floor(i / out) > maxInt - n) { error('overflow'); } n += floor(i / out); i %= out; // Insert `n` at position `i` of the output output.splice(i++, 0, n); } return ucs2encode(output); } /** * Converts a string of Unicode symbols to a Punycode string of ASCII-only * symbols. * @memberOf punycode * @param {String} input The string of Unicode symbols. * @returns {String} The resulting Punycode string of ASCII-only symbols. */ function encode(input) { var n, delta, handledCPCount, basicLength, bias, j, m, q, k, t, currentValue, output = [], /** `inputLength` will hold the number of code points in `input`. */ inputLength, /** Cached calculation results */ handledCPCountPlusOne, baseMinusT, qMinusT; // Convert the input in UCS-2 to Unicode input = ucs2decode(input); // Cache the length inputLength = input.length; // Initialize the state n = initialN; delta = 0; bias = initialBias; // Handle the basic code points for (j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue < 0x80) { output.push(stringFromCharCode(currentValue)); } } handledCPCount = basicLength = output.length; // `handledCPCount` is the number of code points that have been handled; // `basicLength` is the number of basic code points. // Finish the basic string - if it is not empty - with a delimiter if (basicLength) { output.push(delimiter); } // Main encoding loop: while (handledCPCount < inputLength) { // All non-basic code points < n have been handled already. Find the next // larger one: for (m = maxInt, j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue >= n && currentValue < m) { m = currentValue; } } // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, // but guard against overflow handledCPCountPlusOne = handledCPCount + 1; if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { error('overflow'); } delta += (m - n) * handledCPCountPlusOne; n = m; for (j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue < n && ++delta > maxInt) { error('overflow'); } if (currentValue == n) { // Represent delta as a generalized variable-length integer for (q = delta, k = base; /* no condition */; k += base) { t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); if (q < t) { break; } qMinusT = q - t; baseMinusT = base - t; output.push( stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) ); q = floor(qMinusT / baseMinusT); } output.push(stringFromCharCode(digitToBasic(q, 0))); bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); delta = 0; ++handledCPCount; } } ++delta; ++n; } return output.join(''); } /** * Converts a Punycode string representing a domain name to Unicode. Only the * Punycoded parts of the domain name will be converted, i.e. it doesn't * matter if you call it on a string that has already been converted to * Unicode. * @memberOf punycode * @param {String} domain The Punycode domain name to convert to Unicode. * @returns {String} The Unicode representation of the given Punycode * string. */ function toUnicode(domain) { return mapDomain(domain, function(string) { return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string; }); } /** * Converts a Unicode string representing a domain name to Punycode. Only the * non-ASCII parts of the domain name will be converted, i.e. it doesn't * matter if you call it with a domain that's already in ASCII. * @memberOf punycode * @param {String} domain The domain name to convert, as a Unicode string. * @returns {String} The Punycode representation of the given domain name. */ function toASCII(domain) { return mapDomain(domain, function(string) { return regexNonASCII.test(string) ? 'xn--' + encode(string) : string; }); } /*--------------------------------------------------------------------------*/ /** Define the public API */ punycode = { /** * A string representing the current Punycode.js version number. * @memberOf punycode * @type String */ 'version': '1.2.3', /** * An object of methods to convert from JavaScript's internal character * representation (UCS-2) to Unicode code points, and back. * @see <http://mathiasbynens.be/notes/javascript-encoding> * @memberOf punycode * @type Object */ 'ucs2': { 'decode': ucs2decode, 'encode': ucs2encode }, 'decode': decode, 'encode': encode, 'toASCII': toASCII, 'toUnicode': toUnicode }; /** Expose `punycode` */ // Some AMD build optimizers, like r.js, check for specific condition patterns // like the following: if ( typeof define == 'function' && typeof define.amd == 'object' && define.amd ) { define(function() { return punycode; }); } else if (freeExports && !freeExports.nodeType) { if (freeModule) { // in Node.js or RingoJS v0.8.0+ freeModule.exports = punycode; } else { // in Narwhal or RingoJS v0.7.0- for (key in punycode) { punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); } } } else { // in Rhino or a web browser root.punycode = punycode; } }(this)); }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],13:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; // If obj.hasOwnProperty has been overridden, then calling // obj.hasOwnProperty(prop) will break. // See: https://github.com/joyent/node/issues/1707 function hasOwnProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } module.exports = function(qs, sep, eq, options) { sep = sep || '&'; eq = eq || '='; var obj = {}; if (typeof qs !== 'string' || qs.length === 0) { return obj; } var regexp = /\+/g; qs = qs.split(sep); var maxKeys = 1000; if (options && typeof options.maxKeys === 'number') { maxKeys = options.maxKeys; } var len = qs.length; // maxKeys <= 0 means that we should not limit keys count if (maxKeys > 0 && len > maxKeys) { len = maxKeys; } for (var i = 0; i < len; ++i) { var x = qs[i].replace(regexp, '%20'), idx = x.indexOf(eq), kstr, vstr, k, v; if (idx >= 0) { kstr = x.substr(0, idx); vstr = x.substr(idx + 1); } else { kstr = x; vstr = ''; } k = decodeURIComponent(kstr); v = decodeURIComponent(vstr); if (!hasOwnProperty(obj, k)) { obj[k] = v; } else if (isArray(obj[k])) { obj[k].push(v); } else { obj[k] = [obj[k], v]; } } return obj; }; var isArray = Array.isArray || function (xs) { return Object.prototype.toString.call(xs) === '[object Array]'; }; },{}],14:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; var stringifyPrimitive = function(v) { switch (typeof v) { case 'string': return v; case 'boolean': return v ? 'true' : 'false'; case 'number': return isFinite(v) ? v : ''; default: return ''; } }; module.exports = function(obj, sep, eq, name) { sep = sep || '&'; eq = eq || '='; if (obj === null) { obj = undefined; } if (typeof obj === 'object') { return map(objectKeys(obj), function(k) { var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; if (isArray(obj[k])) { return obj[k].map(function(v) { return ks + encodeURIComponent(stringifyPrimitive(v)); }).join(sep); } else { return ks + encodeURIComponent(stringifyPrimitive(obj[k])); } }).join(sep); } if (!name) return ''; return encodeURIComponent(stringifyPrimitive(name)) + eq + encodeURIComponent(stringifyPrimitive(obj)); }; var isArray = Array.isArray || function (xs) { return Object.prototype.toString.call(xs) === '[object Array]'; }; function map (xs, f) { if (xs.map) return xs.map(f); var res = []; for (var i = 0; i < xs.length; i++) { res.push(f(xs[i], i)); } return res; } var objectKeys = Object.keys || function (obj) { var res = []; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key); } return res; }; },{}],15:[function(require,module,exports){ 'use strict'; exports.decode = exports.parse = require('./decode'); exports.encode = exports.stringify = require('./encode'); },{"./decode":13,"./encode":14}],16:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a duplex stream is just a stream that is both readable and writable. // Since JS doesn't have multiple prototypal inheritance, this class // prototypally inherits from Readable, and then parasitically from // Writable. module.exports = Duplex; var inherits = require('inherits'); var setImmediate = require('process/browser.js').nextTick; var Readable = require('./readable.js'); var Writable = require('./writable.js'); inherits(Duplex, Readable); Duplex.prototype.write = Writable.prototype.write; Duplex.prototype.end = Writable.prototype.end; Duplex.prototype._write = Writable.prototype._write; function Duplex(options) { if (!(this instanceof Duplex)) return new Duplex(options); Readable.call(this, options); Writable.call(this, options); if (options && options.readable === false) this.readable = false; if (options && options.writable === false) this.writable = false; this.allowHalfOpen = true; if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; this.once('end', onend); } // the no-half-open enforcer function onend() { // if we allow half-open state, or if the writable side ended, // then we're ok. if (this.allowHalfOpen || this._writableState.ended) return; // no more data can be written. // But allow more writes to happen in this tick. var self = this; setImmediate(function () { self.end(); }); } },{"./readable.js":20,"./writable.js":22,"inherits":7,"process/browser.js":18}],17:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. module.exports = Stream; var EE = require('events').EventEmitter; var inherits = require('inherits'); inherits(Stream, EE); Stream.Readable = require('./readable.js'); Stream.Writable = require('./writable.js'); Stream.Duplex = require('./duplex.js'); Stream.Transform = require('./transform.js'); Stream.PassThrough = require('./passthrough.js'); // Backwards-compat with node 0.4.x Stream.Stream = Stream; // old-style streams. Note that the pipe method (the only relevant // part of this class) is overridden in the Readable class. function Stream() { EE.call(this); } Stream.prototype.pipe = function(dest, options) { var source = this; function ondata(chunk) { if (dest.writable) { if (false === dest.write(chunk) && source.pause) { source.pause(); } } } source.on('data', ondata); function ondrain() { if (source.readable && source.resume) { source.resume(); } } dest.on('drain', ondrain); // If the 'end' option is not supplied, dest.end() will be called when // source gets the 'end' or 'close' events. Only dest.end() once. if (!dest._isStdio && (!options || options.end !== false)) { source.on('end', onend); source.on('close', onclose); } var didOnEnd = false; function onend() { if (didOnEnd) return; didOnEnd = true; dest.end(); } function onclose() { if (didOnEnd) return; didOnEnd = true; if (typeof dest.destroy === 'function') dest.destroy(); } // don't leave dangling pipes when there are errors. function onerror(er) { cleanup(); if (EE.listenerCount(this, 'error') === 0) { throw er; // Unhandled stream error in pipe. } } source.on('error', onerror); dest.on('error', onerror); // remove all the event listeners that were added. function cleanup() { source.removeListener('data', ondata); dest.removeListener('drain', ondrain); source.removeListener('end', onend); source.removeListener('close', onclose); source.removeListener('error', onerror); dest.removeListener('error', onerror); source.removeListener('end', cleanup); source.removeListener('close', cleanup); dest.removeListener('close', cleanup); } source.on('end', cleanup); source.on('close', cleanup); dest.on('close', cleanup); dest.emit('pipe', source); // Allow for unix-like usage: A.pipe(B).pipe(C) return dest; }; },{"./duplex.js":16,"./passthrough.js":19,"./readable.js":20,"./transform.js":21,"./writable.js":22,"events":2,"inherits":7}],18:[function(require,module,exports){ module.exports=require(8) },{}],19:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a passthrough stream. // basically just the most minimal sort of Transform stream. // Every written chunk gets output as-is. module.exports = PassThrough; var Transform = require('./transform.js'); var inherits = require('inherits'); inherits(PassThrough, Transform); function PassThrough(options) { if (!(this instanceof PassThrough)) return new PassThrough(options); Transform.call(this, options); } PassThrough.prototype._transform = function(chunk, encoding, cb) { cb(null, chunk); }; },{"./transform.js":21,"inherits":7}],20:[function(require,module,exports){ (function (process){// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. module.exports = Readable; Readable.ReadableState = ReadableState; var EE = require('events').EventEmitter; var Stream = require('./index.js'); var Buffer = require('buffer').Buffer; var setImmediate = require('process/browser.js').nextTick; var StringDecoder; var inherits = require('inherits'); inherits(Readable, Stream); function ReadableState(options, stream) { options = options || {}; // the point at which it stops calling _read() to fill the buffer // Note: 0 is a valid value, means "don't call _read preemptively ever" var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.buffer = []; this.length = 0; this.pipes = null; this.pipesCount = 0; this.flowing = false; this.ended = false; this.endEmitted = false; this.reading = false; // In streams that never have any data, and do push(null) right away, // the consumer can miss the 'end' event if they do some I/O before // consuming the stream. So, we don't emit('end') until some reading // happens. this.calledRead = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // whenever we return null, then we set a flag to say // that we're awaiting a 'readable' event emission. this.needReadable = false; this.emittedReadable = false; this.readableListening = false; // object stream flag. Used to make read(n) ignore n and to // make all the buffer merging and length checks go away this.objectMode = !!options.objectMode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // when piping, we only care about 'readable' events that happen // after read()ing all the bytes and not getting any pushback. this.ranOut = false; // the number of writers that are awaiting a drain event in .pipe()s this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled this.readingMore = false; this.decoder = null; this.encoding = null; if (options.encoding) { if (!StringDecoder) StringDecoder = require('string_decoder').StringDecoder; this.decoder = new StringDecoder(options.encoding); this.encoding = options.encoding; } } function Readable(options) { if (!(this instanceof Readable)) return new Readable(options); this._readableState = new ReadableState(options, this); // legacy this.readable = true; Stream.call(this); } // Manually shove something into the read() buffer. // This returns true if the highWaterMark has not been hit yet, // similar to how Writable.write() returns true if you should // write() some more. Readable.prototype.push = function(chunk, encoding) { var state = this._readableState; if (typeof chunk === 'string' && !state.objectMode) { encoding = encoding || state.defaultEncoding; if (encoding !== state.encoding) { chunk = new Buffer(chunk, encoding); encoding = ''; } } return readableAddChunk(this, state, chunk, encoding, false); }; // Unshift should *always* be something directly out of read() Readable.prototype.unshift = function(chunk) { var state = this._readableState; return readableAddChunk(this, state, chunk, '', true); }; function readableAddChunk(stream, state, chunk, encoding, addToFront) { var er = chunkInvalid(state, chunk); if (er) { stream.emit('error', er); } else if (chunk === null || chunk === undefined) { state.reading = false; if (!state.ended) onEofChunk(stream, state); } else if (state.objectMode || chunk && chunk.length > 0) { if (state.ended && !addToFront) { var e = new Error('stream.push() after EOF'); stream.emit('error', e); } else if (state.endEmitted && addToFront) { var e = new Error('stream.unshift() after end event'); stream.emit('error', e); } else { if (state.decoder && !addToFront && !encoding) chunk = state.decoder.write(chunk); // update the buffer info. state.length += state.objectMode ? 1 : chunk.length; if (addToFront) { state.buffer.unshift(chunk); } else { state.reading = false; state.buffer.push(chunk); } if (state.needReadable) emitReadable(stream); maybeReadMore(stream, state); } } else if (!addToFront) { state.reading = false; } return needMoreData(state); } // if it's past the high water mark, we can push in some more. // Also, if we have no data yet, we can stand some // more bytes. This is to work around cases where hwm=0, // such as the repl. Also, if the push() triggered a // readable event, and the user called read(largeNumber) such that // needReadable was set, then we ought to push more, so that another // 'readable' event will be triggered. function needMoreData(state) { return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); } // backwards compatibility. Readable.prototype.setEncoding = function(enc) { if (!StringDecoder) StringDecoder = require('string_decoder').StringDecoder; this._readableState.decoder = new StringDecoder(enc); this._readableState.encoding = enc; }; // Don't raise the hwm > 128MB var MAX_HWM = 0x800000; function roundUpToNextPowerOf2(n) { if (n >= MAX_HWM) { n = MAX_HWM; } else { // Get the next highest power of 2 n--; for (var p = 1; p < 32; p <<= 1) n |= n >> p; n++; } return n; } function howMuchToRead(n, state) { if (state.length === 0 && state.ended) return 0; if (state.objectMode) return n === 0 ? 0 : 1; if (isNaN(n) || n === null) { // only flow one buffer at a time if (state.flowing && state.buffer.length) return state.buffer[0].length; else return state.length; } if (n <= 0) return 0; // If we're asking for more than the target buffer level, // then raise the water mark. Bump up to the next highest // power of 2, to prevent increasing it excessively in tiny // amounts. if (n > state.highWaterMark) state.highWaterMark = roundUpToNextPowerOf2(n); // don't have that much. return null, unless we've ended. if (n > state.length) { if (!state.ended) { state.needReadable = true; return 0; } else return state.length; } return n; } // you can override either this method, or the async _read(n) below. Readable.prototype.read = function(n) { var state = this._readableState; state.calledRead = true; var nOrig = n; if (typeof n !== 'number' || n > 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we // already have a bunch of data in the buffer, then just trigger // the 'readable' event and move on. if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { emitReadable(this); return null; } n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up. if (n === 0 && state.ended) { if (state.length === 0) endReadable(this); return null; } // All the actual chunk generation logic needs to be // *below* the call to _read. The reason is that in certain // synthetic stream cases, such as passthrough streams, _read // may be a completely synchronous operation which may change // the state of the read buffer, providing enough data when // before there was *not* enough. // // So, the steps are: // 1. Figure out what the state of things will be after we do // a read from the buffer. // // 2. If that resulting state will trigger a _read, then call _read. // Note that this may be asynchronous, or synchronous. Yes, it is // deeply ugly to write APIs this way, but that still doesn't mean // that the Readable class should behave improperly, as streams are // designed to be sync/async agnostic. // Take note if the _read call is sync or async (ie, if the read call // has returned yet), so that we know whether or not it's safe to emit // 'readable' etc. // // 3. Actually pull the requested chunks out of the buffer and return. // if we need a readable event, then we need to do some reading. var doRead = state.needReadable; // if we currently have less than the highWaterMark, then also read some if (state.length - n <= state.highWaterMark) doRead = true; // however, if we've ended, then there's no point, and if we're already // reading, then it's unnecessary. if (state.ended || state.reading) doRead = false; if (doRead) { state.reading = true; state.sync = true; // if the length is currently zero, then we *need* a readable event. if (state.length === 0) state.needReadable = true; // call internal read method this._read(state.highWaterMark); state.sync = false; } // If _read called its callback synchronously, then `reading` // will be false, and we need to re-evaluate how much data we // can return to the user. if (doRead && !state.reading) n = howMuchToRead(nOrig, state); var ret; if (n > 0) ret = fromList(n, state); else ret = null; if (ret === null) { state.needReadable = true; n = 0; } state.length -= n; // If we have nothing in the buffer, then we want to know // as soon as we *do* get something into the buffer. if (state.length === 0 && !state.ended) state.needReadable = true; // If we happened to read() exactly the remaining amount in the // buffer, and the EOF has been seen at this point, then make sure // that we emit 'end' on the very next tick. if (state.ended && !state.endEmitted && state.length === 0) endReadable(this); return ret; }; function chunkInvalid(state, chunk) { var er = null; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode && !er) { er = new TypeError('Invalid non-string/buffer chunk'); } return er; } function onEofChunk(stream, state) { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) { state.buffer.push(chunk); state.length += state.objectMode ? 1 : chunk.length; } } state.ended = true; // if we've ended and we have some data left, then emit // 'readable' now to make sure it gets picked up. if (state.length > 0) emitReadable(stream); else endReadable(stream); } // Don't emit readable right away in sync mode, because this can trigger // another read() call => stack overflow. This way, it might trigger // a nextTick recursion warning, but that's not so bad. function emitReadable(stream) { var state = stream._readableState; state.needReadable = false; if (state.emittedReadable) return; state.emittedReadable = true; if (state.sync) setImmediate(function() { emitReadable_(stream); }); else emitReadable_(stream); } function emitReadable_(stream) { stream.emit('readable'); } // at this point, the user has presumably seen the 'readable' event, // and called read() to consume some data. that may have triggered // in turn another _read(n) call, in which case reading = true if // it's in progress. // However, if we're not ended, or reading, and the length < hwm, // then go ahead and try to read some more preemptively. function maybeReadMore(stream, state) { if (!state.readingMore) { state.readingMore = true; setImmediate(function() { maybeReadMore_(stream, state); }); } } function maybeReadMore_(stream, state) { var len = state.length; while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { stream.read(0); if (len === state.length) // didn't get any data, stop spinning. break; else len = state.length; } state.readingMore = false; } // abstract method. to be overridden in specific implementation classes. // call cb(er, data) where data is <= n in length. // for virtual (non-string, non-buffer) streams, "length" is somewhat // arbitrary, and perhaps not very meaningful. Readable.prototype._read = function(n) { this.emit('error', new Error('not implemented')); }; Readable.prototype.pipe = function(dest, pipeOpts) { var src = this; var state = this._readableState; switch (state.pipesCount) { case 0: state.pipes = dest; break; case 1: state.pipes = [state.pipes, dest]; break; default: state.pipes.push(dest); break; } state.pipesCount += 1; var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; var endFn = doEnd ? onend : cleanup; if (state.endEmitted) setImmediate(endFn); else src.once('end', endFn); dest.on('unpipe', onunpipe); function onunpipe(readable) { if (readable !== src) return; cleanup(); } function onend() { dest.end(); } // when the dest drains, it reduces the awaitDrain counter // on the source. This would be more elegant with a .once() // handler in flow(), but adding and removing repeatedly is // too slow. var ondrain = pipeOnDrain(src); dest.on('drain', ondrain); function cleanup() { // cleanup event handlers once the pipe is broken dest.removeListener('close', onclose); dest.removeListener('finish', onfinish); dest.removeListener('drain', ondrain); dest.removeListener('error', onerror); dest.removeListener('unpipe', onunpipe); src.removeListener('end', onend); src.removeListener('end', cleanup); // if the reader is waiting for a drain event from this // specific writer, then it would cause it to never start // flowing again. // So, if this is awaiting a drain, then we just call it now. // If we don't know, then assume that we are waiting for one. if (!dest._writableState || dest._writableState.needDrain) ondrain(); } // if the dest has an error, then stop piping into it. // however, don't suppress the throwing behavior for this. // check for listeners before emit removes one-time listeners. var errListeners = EE.listenerCount(dest, 'error'); function onerror(er) { unpipe(); if (errListeners === 0 && EE.listenerCount(dest, 'error') === 0) dest.emit('error', er); } dest.once('error', onerror); // Both close and finish should trigger unpipe, but only once. function onclose() { dest.removeListener('finish', onfinish); unpipe(); } dest.once('close', onclose); function onfinish() { dest.removeListener('close', onclose); unpipe(); } dest.once('finish', onfinish); function unpipe() { src.unpipe(dest); } // tell the dest that it's being piped to dest.emit('pipe', src); // start the flow if it hasn't been started already. if (!state.flowing) { // the handler that waits for readable events after all // the data gets sucked out in flow. // This would be easier to follow with a .once() handler // in flow(), but that is too slow. this.on('readable', pipeOnReadable); state.flowing = true; setImmediate(function() { flow(src); }); } return dest; }; function pipeOnDrain(src) { return function() { var dest = this; var state = src._readableState; state.awaitDrain--; if (state.awaitDrain === 0) flow(src); }; } function flow(src) { var state = src._readableState; var chunk; state.awaitDrain = 0; function write(dest, i, list) { var written = dest.write(chunk); if (false === written) { state.awaitDrain++; } } while (state.pipesCount && null !== (chunk = src.read())) { if (state.pipesCount === 1) write(state.pipes, 0, null); else forEach(state.pipes, write); src.emit('data', chunk); // if anyone needs a drain, then we have to wait for that. if (state.awaitDrain > 0) return; } // if every destination was unpiped, either before entering this // function, or in the while loop, then stop flowing. // // NB: This is a pretty rare edge case. if (state.pipesCount === 0) { state.flowing = false; // if there were data event listeners added, then switch to old mode. if (EE.listenerCount(src, 'data') > 0) emitDataEvents(src); return; } // at this point, no one needed a drain, so we just ran out of data // on the next readable event, start it over again. state.ranOut = true; } function pipeOnReadable() { if (this._readableState.ranOut) { this._readableState.ranOut = false; flow(this); } } Readable.prototype.unpipe = function(dest) { var state = this._readableState; // if we're not piping anywhere, then do nothing. if (state.pipesCount === 0) return this; // just one destination. most common case. if (state.pipesCount === 1) { // passed in one, but it's not the right one. if (dest && dest !== state.pipes) return this; if (!dest) dest = state.pipes; // got a match. state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; if (dest) dest.emit('unpipe', this); return this; } // slow case. multiple pipe destinations. if (!dest) { // remove all. var dests = state.pipes; var len = state.pipesCount; state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; for (var i = 0; i < len; i++) dests[i].emit('unpipe', this); return this; } // try to find the right one. var i = indexOf(state.pipes, dest); if (i === -1) return this; state.pipes.splice(i, 1); state.pipesCount -= 1; if (state.pipesCount === 1) state.pipes = state.pipes[0]; dest.emit('unpipe', this); return this; }; // set up data events if they are asked for // Ensure readable listeners eventually get something Readable.prototype.on = function(ev, fn) { var res = Stream.prototype.on.call(this, ev, fn); if (ev === 'data' && !this._readableState.flowing) emitDataEvents(this); if (ev === 'readable' && this.readable) { var state = this._readableState; if (!state.readableListening) { state.readableListening = true; state.emittedReadable = false; state.needReadable = true; if (!state.reading) { this.read(0); } else if (state.length) { emitReadable(this, state); } } } return res; }; Readable.prototype.addListener = Readable.prototype.on; // pause() and resume() are remnants of the legacy readable stream API // If the user uses them, then switch into old mode. Readable.prototype.resume = function() { emitDataEvents(this); this.read(0); this.emit('resume'); }; Readable.prototype.pause = function() { emitDataEvents(this, true); this.emit('pause'); }; function emitDataEvents(stream, startPaused) { var state = stream._readableState; if (state.flowing) { // https://github.com/isaacs/readable-stream/issues/16 throw new Error('Cannot switch to old mode now.'); } var paused = startPaused || false; var readable = false; // convert to an old-style stream. stream.readable = true; stream.pipe = Stream.prototype.pipe; stream.on = stream.addListener = Stream.prototype.on; stream.on('readable', function() { readable = true; var c; while (!paused && (null !== (c = stream.read()))) stream.emit('data', c); if (c === null) { readable = false; stream._readableState.needReadable = true; } }); stream.pause = function() { paused = true; this.emit('pause'); }; stream.resume = function() { paused = false; if (readable) setImmediate(function() { stream.emit('readable'); }); else this.read(0); this.emit('resume'); }; // now make it start, just in case it hadn't already. stream.emit('readable'); } // wrap an old-style stream as the async data source. // This is *not* part of the readable stream interface. // It is an ugly unfortunate mess of history. Readable.prototype.wrap = function(stream) { var state = this._readableState; var paused = false; var self = this; stream.on('end', function() { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) self.push(chunk); } self.push(null); }); stream.on('data', function(chunk) { if (state.decoder) chunk = state.decoder.write(chunk); if (!chunk || !state.objectMode && !chunk.length) return; var ret = self.push(chunk); if (!ret) { paused = true; stream.pause(); } }); // proxy all the other methods. // important when wrapping filters and duplexes. for (var i in stream) { if (typeof stream[i] === 'function' && typeof this[i] === 'undefined') { this[i] = function(method) { return function() { return stream[method].apply(stream, arguments); }}(i); } } // proxy certain important events. var events = ['error', 'close', 'destroy', 'pause', 'resume']; forEach(events, function(ev) { stream.on(ev, function (x) { return self.emit.apply(self, ev, x); }); }); // when we try to consume some more bytes, simply unpause the // underlying stream. self._read = function(n) { if (paused) { paused = false; stream.resume(); } }; return self; }; // exposed for testing purposes only. Readable._fromList = fromList; // Pluck off n bytes from an array of buffers. // Length is the combined lengths of all the buffers in the list. function fromList(n, state) { var list = state.buffer; var length = state.length; var stringMode = !!state.decoder; var objectMode = !!state.objectMode; var ret; // nothing in the list, definitely empty. if (list.length === 0) return null; if (length === 0) ret = null; else if (objectMode) ret = list.shift(); else if (!n || n >= length) { // read it all, truncate the array. if (stringMode) ret = list.join(''); else ret = Buffer.concat(list, length); list.length = 0; } else { // read just some of it. if (n < list[0].length) { // just take a part of the first list item. // slice is the same for buffers and strings. var buf = list[0]; ret = buf.slice(0, n); list[0] = buf.slice(n); } else if (n === list[0].length) { // first list is a perfect match ret = list.shift(); } else { // complex case. // we have enough to cover it, but it spans past the first buffer. if (stringMode) ret = ''; else ret = new Buffer(n); var c = 0; for (var i = 0, l = list.length; i < l && c < n; i++) { var buf = list[0]; var cpy = Math.min(n - c, buf.length); if (stringMode) ret += buf.slice(0, cpy); else buf.copy(ret, c, 0, cpy); if (cpy < buf.length) list[0] = buf.slice(cpy); else list.shift(); c += cpy; } } } return ret; } function endReadable(stream) { var state = stream._readableState; // If we get here before consuming all the bytes, then that is a // bug in node. Should never happen. if (state.length > 0) throw new Error('endReadable called on non-empty stream'); if (!state.endEmitted && state.calledRead) { state.ended = true; setImmediate(function() { // Check that we didn't get one last unshift. if (!state.endEmitted && state.length === 0) { state.endEmitted = true; stream.readable = false; stream.emit('end'); } }); } } function forEach (xs, f) { for (var i = 0, l = xs.length; i < l; i++) { f(xs[i], i); } } function indexOf (xs, x) { for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) return i; } return -1; } }).call(this,require("/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js")) },{"./index.js":17,"/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":8,"buffer":9,"events":2,"inherits":7,"process/browser.js":18,"string_decoder":23}],21:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a transform stream is a readable/writable stream where you do // something with the data. Sometimes it's called a "filter", // but that's not a great name for it, since that implies a thing where // some bits pass through, and others are simply ignored. (That would // be a valid example of a transform, of course.) // // While the output is causally related to the input, it's not a // necessarily symmetric or synchronous transformation. For example, // a zlib stream might take multiple plain-text writes(), and then // emit a single compressed chunk some time in the future. // // Here's how this works: // // The Transform stream has all the aspects of the readable and writable // stream classes. When you write(chunk), that calls _write(chunk,cb) // internally, and returns false if there's a lot of pending writes // buffered up. When you call read(), that calls _read(n) until // there's enough pending readable data buffered up. // // In a transform stream, the written data is placed in a buffer. When // _read(n) is called, it transforms the queued up data, calling the // buffered _write cb's as it consumes chunks. If consuming a single // written chunk would result in multiple output chunks, then the first // outputted bit calls the readcb, and subsequent chunks just go into // the read buffer, and will cause it to emit 'readable' if necessary. // // This way, back-pressure is actually determined by the reading side, // since _read has to be called to start processing a new chunk. However, // a pathological inflate type of transform can cause excessive buffering // here. For example, imagine a stream where every byte of input is // interpreted as an integer from 0-255, and then results in that many // bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in // 1kb of data being output. In this case, you could write a very small // amount of input, and end up with a very large amount of output. In // such a pathological inflating mechanism, there'd be no way to tell // the system to stop doing the transform. A single 4MB write could // cause the system to run out of memory. // // However, even in such a pathological case, only a single written chunk // would be consumed, and then the rest would wait (un-transformed) until // the results of the previous transformed chunk were consumed. module.exports = Transform; var Duplex = require('./duplex.js'); var inherits = require('inherits'); inherits(Transform, Duplex); function TransformState(options, stream) { this.afterTransform = function(er, data) { return afterTransform(stream, er, data); }; this.needTransform = false; this.transforming = false; this.writecb = null; this.writechunk = null; } function afterTransform(stream, er, data) { var ts = stream._transformState; ts.transforming = false; var cb = ts.writecb; if (!cb) return stream.emit('error', new Error('no writecb in Transform class')); ts.writechunk = null; ts.writecb = null; if (data !== null && data !== undefined) stream.push(data); if (cb) cb(er); var rs = stream._readableState; rs.reading = false; if (rs.needReadable || rs.length < rs.highWaterMark) { stream._read(rs.highWaterMark); } } function Transform(options) { if (!(this instanceof Transform)) return new Transform(options); Duplex.call(this, options); var ts = this._transformState = new TransformState(options, this); // when the writable side finishes, then flush out anything remaining. var stream = this; // start out asking for a readable event once data is transformed. this._readableState.needReadable = true; // we have implemented the _read method, and done the other things // that Readable wants before the first _read call, so unset the // sync guard flag. this._readableState.sync = false; this.once('finish', function() { if ('function' === typeof this._flush) this._flush(function(er) { done(stream, er); }); else done(stream); }); } Transform.prototype.push = function(chunk, encoding) { this._transformState.needTransform = false; return Duplex.prototype.push.call(this, chunk, encoding); }; // This is the part where you do stuff! // override this function in implementation classes. // 'chunk' is an input chunk. // // Call `push(newChunk)` to pass along transformed output // to the readable side. You may call 'push' zero or more times. // // Call `cb(err)` when you are done with this chunk. If you pass // an error, then that'll put the hurt on the whole operation. If you // never call cb(), then you'll never get another chunk. Transform.prototype._transform = function(chunk, encoding, cb) { throw new Error('not implemented'); }; Transform.prototype._write = function(chunk, encoding, cb) { var ts = this._transformState; ts.writecb = cb; ts.writechunk = chunk; ts.writeencoding = encoding; if (!ts.transforming) { var rs = this._readableState; if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); } }; // Doesn't matter what the args are here. // _transform does all the work. // That we got here means that the readable side wants more data. Transform.prototype._read = function(n) { var ts = this._transformState; if (ts.writechunk && ts.writecb && !ts.transforming) { ts.transforming = true; this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); } else { // mark that we need a transform, so that any data that comes in // will get processed, now that we've asked for it. ts.needTransform = true; } }; function done(stream, er) { if (er) return stream.emit('error', er); // if there's nothing in the write buffer, then that means // that nothing more will ever be provided var ws = stream._writableState; var rs = stream._readableState; var ts = stream._transformState; if (ws.length) throw new Error('calling transform done when ws.length != 0'); if (ts.transforming) throw new Error('calling transform done when still transforming'); return stream.push(null); } },{"./duplex.js":16,"inherits":7}],22:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // A bit simpler than readable streams. // Implement an async ._write(chunk, cb), and it'll handle all // the drain event emission and buffering. module.exports = Writable; Writable.WritableState = WritableState; var isUint8Array = typeof Uint8Array !== 'undefined' ? function (x) { return x instanceof Uint8Array } : function (x) { return x && x.constructor && x.constructor.name === 'Uint8Array' } ; var isArrayBuffer = typeof ArrayBuffer !== 'undefined' ? function (x) { return x instanceof ArrayBuffer } : function (x) { return x && x.constructor && x.constructor.name === 'ArrayBuffer' } ; var inherits = require('inherits'); var Stream = require('./index.js'); var setImmediate = require('process/browser.js').nextTick; var Buffer = require('buffer').Buffer; inherits(Writable, Stream); function WriteReq(chunk, encoding, cb) { this.chunk = chunk; this.encoding = encoding; this.callback = cb; } function WritableState(options, stream) { options = options || {}; // the point at which write() starts returning false // Note: 0 is a valid value, means that we always return false if // the entire buffer is not flushed immediately on write() var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // object stream flag to indicate whether or not this stream // contains buffers or objects. this.objectMode = !!options.objectMode; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.needDrain = false; // at the start of calling end() this.ending = false; // when end() has been called, and returned this.ended = false; // when 'finish' is emitted this.finished = false; // should we decode strings into buffers before passing to _write? // this is here so that some node-core streams can optimize string // handling at a lower level. var noDecode = options.decodeStrings === false; this.decodeStrings = !noDecode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement // of how much we're waiting to get pushed to some underlying // socket or file. this.length = 0; // a flag to see when we're in the middle of a write. this.writing = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // a flag to know if we're processing previously buffered items, which // may call the _write() callback in the same tick, so that we don't // end up in an overlapped onwrite situation. this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb) this.onwrite = function(er) { onwrite(stream, er); }; // the callback that the user supplies to write(chunk,encoding,cb) this.writecb = null; // the amount that is being written when _write is called. this.writelen = 0; this.buffer = []; } function Writable(options) { // Writable ctor is applied to Duplexes, though they're not // instanceof Writable, they're instanceof Readable. if (!(this instanceof Writable) && !(this instanceof Stream.Duplex)) return new Writable(options); this._writableState = new WritableState(options, this); // legacy. this.writable = true; Stream.call(this); } // Otherwise people can pipe Writable streams, which is just wrong. Writable.prototype.pipe = function() { this.emit('error', new Error('Cannot pipe. Not readable.')); }; function writeAfterEnd(stream, state, cb) { var er = new Error('write after end'); // TODO: defer error events consistently everywhere, not just the cb stream.emit('error', er); setImmediate(function() { cb(er); }); } // If we get something that is not a buffer, string, null, or undefined, // and we're not in objectMode, then that's an error. // Otherwise stream chunks are all considered to be of length=1, and the // watermarks determine how many objects to keep in the buffer, rather than // how many bytes or characters. function validChunk(stream, state, chunk, cb) { var valid = true; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode) { var er = new TypeError('Invalid non-string/buffer chunk'); stream.emit('error', er); setImmediate(function() { cb(er); }); valid = false; } return valid; } Writable.prototype.write = function(chunk, encoding, cb) { var state = this._writableState; var ret = false; if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (!Buffer.isBuffer(chunk) && isUint8Array(chunk)) chunk = new Buffer(chunk); if (isArrayBuffer(chunk) && typeof Uint8Array !== 'undefined') chunk = new Buffer(new Uint8Array(chunk)); if (Buffer.isBuffer(chunk)) encoding = 'buffer'; else if (!encoding) encoding = state.defaultEncoding; if (typeof cb !== 'function') cb = function() {}; if (state.ended) writeAfterEnd(this, state, cb); else if (validChunk(this, state, chunk, cb)) ret = writeOrBuffer(this, state, chunk, encoding, cb); return ret; }; function decodeChunk(state, chunk, encoding) { if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { chunk = new Buffer(chunk, encoding); } return chunk; } // if we're already writing something, then just put this // in the queue, and wait our turn. Otherwise, call _write // If we return false, then we need a drain event, so set that flag. function writeOrBuffer(stream, state, chunk, encoding, cb) { chunk = decodeChunk(state, chunk, encoding); var len = state.objectMode ? 1 : chunk.length; state.length += len; var ret = state.length < state.highWaterMark; state.needDrain = !ret; if (state.writing) state.buffer.push(new WriteReq(chunk, encoding, cb)); else doWrite(stream, state, len, chunk, encoding, cb); return ret; } function doWrite(stream, state, len, chunk, encoding, cb) { state.writelen = len; state.writecb = cb; state.writing = true; state.sync = true; stream._write(chunk, encoding, state.onwrite); state.sync = false; } function onwriteError(stream, state, sync, er, cb) { if (sync) setImmediate(function() { cb(er); }); else cb(er); stream.emit('error', er); } function onwriteStateUpdate(state) { state.writing = false; state.writecb = null; state.length -= state.writelen; state.writelen = 0; } function onwrite(stream, er) { var state = stream._writableState; var sync = state.sync; var cb = state.writecb; onwriteStateUpdate(state); if (er) onwriteError(stream, state, sync, er, cb); else { // Check if we're actually ready to finish, but don't emit yet var finished = needFinish(stream, state); if (!finished && !state.bufferProcessing && state.buffer.length) clearBuffer(stream, state); if (sync) { setImmediate(function() { afterWrite(stream, state, finished, cb); }); } else { afterWrite(stream, state, finished, cb); } } } function afterWrite(stream, state, finished, cb) { if (!finished) onwriteDrain(stream, state); cb(); if (finished) finishMaybe(stream, state); } // Must force callback to be called on nextTick, so that we don't // emit 'drain' before the write() consumer gets the 'false' return // value, and has a chance to attach a 'drain' listener. function onwriteDrain(stream, state) { if (state.length === 0 && state.needDrain) { state.needDrain = false; stream.emit('drain'); } } // if there's something in the buffer waiting, then process it function clearBuffer(stream, state) { state.bufferProcessing = true; for (var c = 0; c < state.buffer.length; c++) { var entry = state.buffer[c]; var chunk = entry.chunk; var encoding = entry.encoding; var cb = entry.callback; var len = state.objectMode ? 1 : chunk.length; doWrite(stream, state, len, chunk, encoding, cb); // if we didn't call the onwrite immediately, then // it means that we need to wait until it does. // also, that means that the chunk and cb are currently // being processed, so move the buffer counter past them. if (state.writing) { c++; break; } } state.bufferProcessing = false; if (c < state.buffer.length) state.buffer = state.buffer.slice(c); else state.buffer.length = 0; } Writable.prototype._write = function(chunk, encoding, cb) { cb(new Error('not implemented')); }; Writable.prototype.end = function(chunk, encoding, cb) { var state = this._writableState; if (typeof chunk === 'function') { cb = chunk; chunk = null; encoding = null; } else if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (typeof chunk !== 'undefined' && chunk !== null) this.write(chunk, encoding); // ignore unnecessary end() calls. if (!state.ending && !state.finished) endWritable(this, state, cb); }; function needFinish(stream, state) { return (state.ending && state.length === 0 && !state.finished && !state.writing); } function finishMaybe(stream, state) { var need = needFinish(stream, state); if (need) { state.finished = true; stream.emit('finish'); } return need; } function endWritable(stream, state, cb) { state.ending = true; finishMaybe(stream, state); if (cb) { if (state.finished) setImmediate(cb); else stream.once('finish', cb); } state.ended = true; } },{"./index.js":17,"buffer":9,"inherits":7,"process/browser.js":18}],23:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var Buffer = require('buffer').Buffer; function assertEncoding(encoding) { if (encoding && !Buffer.isEncoding(encoding)) { throw new Error('Unknown encoding: ' + encoding); } } var StringDecoder = exports.StringDecoder = function(encoding) { this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, ''); assertEncoding(encoding); switch (this.encoding) { case 'utf8': // CESU-8 represents each of Surrogate Pair by 3-bytes this.surrogateSize = 3; break; case 'ucs2': case 'utf16le': // UTF-16 represents each of Surrogate Pair by 2-bytes this.surrogateSize = 2; this.detectIncompleteChar = utf16DetectIncompleteChar; break; case 'base64': // Base-64 stores 3 bytes in 4 chars, and pads the remainder. this.surrogateSize = 3; this.detectIncompleteChar = base64DetectIncompleteChar; break; default: this.write = passThroughWrite; return; } this.charBuffer = new Buffer(6); this.charReceived = 0; this.charLength = 0; }; StringDecoder.prototype.write = function(buffer) { var charStr = ''; var offset = 0; // if our last write ended with an incomplete multibyte character while (this.charLength) { // determine how many remaining bytes this buffer has to offer for this char var i = (buffer.length >= this.charLength - this.charReceived) ? this.charLength - this.charReceived : buffer.length; // add the new bytes to the char buffer buffer.copy(this.charBuffer, this.charReceived, offset, i); this.charReceived += (i - offset); offset = i; if (this.charReceived < this.charLength) { // still not enough chars in this buffer? wait for more ... return ''; } // get the character that was split charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); // lead surrogate (D800-DBFF) is also the incomplete character var charCode = charStr.charCodeAt(charStr.length - 1); if (charCode >= 0xD800 && charCode <= 0xDBFF) { this.charLength += this.surrogateSize; charStr = ''; continue; } this.charReceived = this.charLength = 0; // if there are no more bytes in this buffer, just emit our char if (i == buffer.length) return charStr; // otherwise cut off the characters end from the beginning of this buffer buffer = buffer.slice(i, buffer.length); break; } var lenIncomplete = this.detectIncompleteChar(buffer); var end = buffer.length; if (this.charLength) { // buffer the incomplete character bytes we got buffer.copy(this.charBuffer, 0, buffer.length - lenIncomplete, end); this.charReceived = lenIncomplete; end -= lenIncomplete; } charStr += buffer.toString(this.encoding, 0, end); var end = charStr.length - 1; var charCode = charStr.charCodeAt(end); // lead surrogate (D800-DBFF) is also the incomplete character if (charCode >= 0xD800 && charCode <= 0xDBFF) { var size = this.surrogateSize; this.charLength += size; this.charReceived += size; this.charBuffer.copy(this.charBuffer, size, 0, size); this.charBuffer.write(charStr.charAt(charStr.length - 1), this.encoding); return charStr.substring(0, end); } // or just emit the charStr return charStr; }; StringDecoder.prototype.detectIncompleteChar = function(buffer) { // determine how many bytes we have to check at the end of this buffer var i = (buffer.length >= 3) ? 3 : buffer.length; // Figure out if one of the last i bytes of our buffer announces an // incomplete char. for (; i > 0; i--) { var c = buffer[buffer.length - i]; // See http://en.wikipedia.org/wiki/UTF-8#Description // 110XXXXX if (i == 1 && c >> 5 == 0x06) { this.charLength = 2; break; } // 1110XXXX if (i <= 2 && c >> 4 == 0x0E) { this.charLength = 3; break; } // 11110XXX if (i <= 3 && c >> 3 == 0x1E) { this.charLength = 4; break; } } return i; }; StringDecoder.prototype.end = function(buffer) { var res = ''; if (buffer && buffer.length) res = this.write(buffer); if (this.charReceived) { var cr = this.charReceived; var buf = this.charBuffer; var enc = this.encoding; res += buf.slice(0, cr).toString(enc); } return res; }; function passThroughWrite(buffer) { return buffer.toString(this.encoding); } function utf16DetectIncompleteChar(buffer) { var incomplete = this.charReceived = buffer.length % 2; this.charLength = incomplete ? 2 : 0; return incomplete; } function base64DetectIncompleteChar(buffer) { var incomplete = this.charReceived = buffer.length % 3; this.charLength = incomplete ? 3 : 0; return incomplete; } },{"buffer":9}],24:[function(require,module,exports){ /*jshint strict:true node:true es5:true onevar:true laxcomma:true laxbreak:true eqeqeq:true immed:true latedef:true*/ (function () { "use strict"; // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var punycode = require('punycode'); exports.parse = urlParse; exports.resolve = urlResolve; exports.resolveObject = urlResolveObject; exports.format = urlFormat; // Reference: RFC 3986, RFC 1808, RFC 2396 // define these here so at least they only have to be // compiled once on the first module load. var protocolPattern = /^([a-z0-9.+-]+:)/i, portPattern = /:[0-9]*$/, // RFC 2396: characters reserved for delimiting URLs. // We actually just auto-escape these. delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t'], // RFC 2396: characters not allowed for various reasons. unwise = ['{', '}', '|', '\\', '^', '~', '`'].concat(delims), // Allowed by RFCs, but cause of XSS attacks. Always escape these. autoEscape = ['\''].concat(delims), // Characters that are never ever allowed in a hostname. // Note that any invalid chars are also handled, but these // are the ones that are *expected* to be seen, so we fast-path // them. nonHostChars = ['%', '/', '?', ';', '#'] .concat(unwise).concat(autoEscape), nonAuthChars = ['/', '@', '?', '#'].concat(delims), hostnameMaxLen = 255, hostnamePartPattern = /^[a-zA-Z0-9][a-z0-9A-Z_-]{0,62}$/, hostnamePartStart = /^([a-zA-Z0-9][a-z0-9A-Z_-]{0,62})(.*)$/, // protocols that can allow "unsafe" and "unwise" chars. unsafeProtocol = { 'javascript': true, 'javascript:': true }, // protocols that never have a hostname. hostlessProtocol = { 'javascript': true, 'javascript:': true }, // protocols that always have a path component. pathedProtocol = { 'http': true, 'https': true, 'ftp': true, 'gopher': true, 'file': true, 'http:': true, 'ftp:': true, 'gopher:': true, 'file:': true }, // protocols that always contain a // bit. slashedProtocol = { 'http': true, 'https': true, 'ftp': true, 'gopher': true, 'file': true, 'http:': true, 'https:': true, 'ftp:': true, 'gopher:': true, 'file:': true }, querystring = require('querystring'); function urlParse(url, parseQueryString, slashesDenoteHost) { if (url && typeof(url) === 'object' && url.href) return url; if (typeof url !== 'string') { throw new TypeError("Parameter 'url' must be a string, not " + typeof url); } var out = {}, rest = url; // trim before proceeding. // This is to support parse stuff like " http://foo.com \n" rest = rest.trim(); var proto = protocolPattern.exec(rest); if (proto) { proto = proto[0]; var lowerProto = proto.toLowerCase(); out.protocol = lowerProto; rest = rest.substr(proto.length); } // figure out if it's got a host // user@server is *always* interpreted as a hostname, and url // resolution will treat //foo/bar as host=foo,path=bar because that's // how the browser resolves relative URLs. if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) { var slashes = rest.substr(0, 2) === '//'; if (slashes && !(proto && hostlessProtocol[proto])) { rest = rest.substr(2); out.slashes = true; } } if (!hostlessProtocol[proto] && (slashes || (proto && !slashedProtocol[proto]))) { // there's a hostname. // the first instance of /, ?, ;, or # ends the host. // don't enforce full RFC correctness, just be unstupid about it. // If there is an @ in the hostname, then non-host chars *are* allowed // to the left of the first @ sign, unless some non-auth character // comes *before* the @-sign. // URLs are obnoxious. var atSign = rest.indexOf('@'); if (atSign !== -1) { var auth = rest.slice(0, atSign); // there *may be* an auth var hasAuth = true; for (var i = 0, l = nonAuthChars.length; i < l; i++) { if (auth.indexOf(nonAuthChars[i]) !== -1) { // not a valid auth. Something like http://foo.com/bar@baz/ hasAuth = false; break; } } if (hasAuth) { // pluck off the auth portion. out.auth = decodeURIComponent(auth); rest = rest.substr(atSign + 1); } } var firstNonHost = -1; for (var i = 0, l = nonHostChars.length; i < l; i++) { var index = rest.indexOf(nonHostChars[i]); if (index !== -1 && (firstNonHost < 0 || index < firstNonHost)) firstNonHost = index; } if (firstNonHost !== -1) { out.host = rest.substr(0, firstNonHost); rest = rest.substr(firstNonHost); } else { out.host = rest; rest = ''; } // pull out port. var p = parseHost(out.host); var keys = Object.keys(p); for (var i = 0, l = keys.length; i < l; i++) { var key = keys[i]; out[key] = p[key]; } // we've indicated that there is a hostname, // so even if it's empty, it has to be present. out.hostname = out.hostname || ''; // if hostname begins with [ and ends with ] // assume that it's an IPv6 address. var ipv6Hostname = out.hostname[0] === '[' && out.hostname[out.hostname.length - 1] === ']'; // validate a little. if (out.hostname.length > hostnameMaxLen) { out.hostname = ''; } else if (!ipv6Hostname) { var hostparts = out.hostname.split(/\./); for (var i = 0, l = hostparts.length; i < l; i++) { var part = hostparts[i]; if (!part) continue; if (!part.match(hostnamePartPattern)) { var newpart = ''; for (var j = 0, k = part.length; j < k; j++) { if (part.charCodeAt(j) > 127) { // we replace non-ASCII char with a temporary placeholder // we need this to make sure size of hostname is not // broken by replacing non-ASCII by nothing newpart += 'x'; } else { newpart += part[j]; } } // we test again with ASCII char only if (!newpart.match(hostnamePartPattern)) { var validParts = hostparts.slice(0, i); var notHost = hostparts.slice(i + 1); var bit = part.match(hostnamePartStart); if (bit) { validParts.push(bit[1]); notHost.unshift(bit[2]); } if (notHost.length) { rest = '/' + notHost.join('.') + rest; } out.hostname = validParts.join('.'); break; } } } } // hostnames are always lower case. out.hostname = out.hostname.toLowerCase(); if (!ipv6Hostname) { // IDNA Support: Returns a puny coded representation of "domain". // It only converts the part of the domain name that // has non ASCII characters. I.e. it dosent matter if // you call it with a domain that already is in ASCII. var domainArray = out.hostname.split('.'); var newOut = []; for (var i = 0; i < domainArray.length; ++i) { var s = domainArray[i]; newOut.push(s.match(/[^A-Za-z0-9_-]/) ? 'xn--' + punycode.encode(s) : s); } out.hostname = newOut.join('.'); } out.host = (out.hostname || '') + ((out.port) ? ':' + out.port : ''); out.href += out.host; // strip [ and ] from the hostname if (ipv6Hostname) { out.hostname = out.hostname.substr(1, out.hostname.length - 2); if (rest[0] !== '/') { rest = '/' + rest; } } } // now rest is set to the post-host stuff. // chop off any delim chars. if (!unsafeProtocol[lowerProto]) { // First, make 100% sure that any "autoEscape" chars get // escaped, even if encodeURIComponent doesn't think they // need to be. for (var i = 0, l = autoEscape.length; i < l; i++) { var ae = autoEscape[i]; var esc = encodeURIComponent(ae); if (esc === ae) { esc = escape(ae); } rest = rest.split(ae).join(esc); } } // chop off from the tail first. var hash = rest.indexOf('#'); if (hash !== -1) { // got a fragment string. out.hash = rest.substr(hash); rest = rest.slice(0, hash); } var qm = rest.indexOf('?'); if (qm !== -1) { out.search = rest.substr(qm); out.query = rest.substr(qm + 1); if (parseQueryString) { out.query = querystring.parse(out.query); } rest = rest.slice(0, qm); } else if (parseQueryString) { // no query string, but parseQueryString still requested out.search = ''; out.query = {}; } if (rest) out.pathname = rest; if (slashedProtocol[proto] && out.hostname && !out.pathname) { out.pathname = '/'; } //to support http.request if (out.pathname || out.search) { out.path = (out.pathname ? out.pathname : '') + (out.search ? out.search : ''); } // finally, reconstruct the href based on what has been validated. out.href = urlFormat(out); return out; } // format a parsed object into a url string function urlFormat(obj) { // ensure it's an object, and not a string url. // If it's an obj, this is a no-op. // this way, you can call url_format() on strings // to clean up potentially wonky urls. if (typeof(obj) === 'string') obj = urlParse(obj); var auth = obj.auth || ''; if (auth) { auth = encodeURIComponent(auth); auth = auth.replace(/%3A/i, ':'); auth += '@'; } var protocol = obj.protocol || '', pathname = obj.pathname || '', hash = obj.hash || '', host = false, query = ''; if (obj.host !== undefined) { host = auth + obj.host; } else if (obj.hostname !== undefined) { host = auth + (obj.hostname.indexOf(':') === -1 ? obj.hostname : '[' + obj.hostname + ']'); if (obj.port) { host += ':' + obj.port; } } if (obj.query && typeof obj.query === 'object' && Object.keys(obj.query).length) { query = querystring.stringify(obj.query); } var search = obj.search || (query && ('?' + query)) || ''; if (protocol && protocol.substr(-1) !== ':') protocol += ':'; // only the slashedProtocols get the //. Not mailto:, xmpp:, etc. // unless they had them to begin with. if (obj.slashes || (!protocol || slashedProtocol[protocol]) && host !== false) { host = '//' + (host || ''); if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname; } else if (!host) { host = ''; } if (hash && hash.charAt(0) !== '#') hash = '#' + hash; if (search && search.charAt(0) !== '?') search = '?' + search; return protocol + host + pathname + search + hash; } function urlResolve(source, relative) { return urlFormat(urlResolveObject(source, relative)); } function urlResolveObject(source, relative) { if (!source) return relative; source = urlParse(urlFormat(source), false, true); relative = urlParse(urlFormat(relative), false, true); // hash is always overridden, no matter what. source.hash = relative.hash; if (relative.href === '') { source.href = urlFormat(source); return source; } // hrefs like //foo/bar always cut to the protocol. if (relative.slashes && !relative.protocol) { relative.protocol = source.protocol; //urlParse appends trailing / to urls like http://www.example.com if (slashedProtocol[relative.protocol] && relative.hostname && !relative.pathname) { relative.path = relative.pathname = '/'; } relative.href = urlFormat(relative); return relative; } if (relative.protocol && relative.protocol !== source.protocol) { // if it's a known url protocol, then changing // the protocol does weird things // first, if it's not file:, then we MUST have a host, // and if there was a path // to begin with, then we MUST have a path. // if it is file:, then the host is dropped, // because that's known to be hostless. // anything else is assumed to be absolute. if (!slashedProtocol[relative.protocol]) { relative.href = urlFormat(relative); return relative; } source.protocol = relative.protocol; if (!relative.host && !hostlessProtocol[relative.protocol]) { var relPath = (relative.pathname || '').split('/'); while (relPath.length && !(relative.host = relPath.shift())); if (!relative.host) relative.host = ''; if (!relative.hostname) relative.hostname = ''; if (relPath[0] !== '') relPath.unshift(''); if (relPath.length < 2) relPath.unshift(''); relative.pathname = relPath.join('/'); } source.pathname = relative.pathname; source.search = relative.search; source.query = relative.query; source.host = relative.host || ''; source.auth = relative.auth; source.hostname = relative.hostname || relative.host; source.port = relative.port; //to support http.request if (source.pathname !== undefined || source.search !== undefined) { source.path = (source.pathname ? source.pathname : '') + (source.search ? source.search : ''); } source.slashes = source.slashes || relative.slashes; source.href = urlFormat(source); return source; } var isSourceAbs = (source.pathname && source.pathname.charAt(0) === '/'), isRelAbs = ( relative.host !== undefined || relative.pathname && relative.pathname.charAt(0) === '/' ), mustEndAbs = (isRelAbs || isSourceAbs || (source.host && relative.pathname)), removeAllDots = mustEndAbs, srcPath = source.pathname && source.pathname.split('/') || [], relPath = relative.pathname && relative.pathname.split('/') || [], psychotic = source.protocol && !slashedProtocol[source.protocol]; // if the url is a non-slashed url, then relative // links like ../.. should be able // to crawl up to the hostname, as well. This is strange. // source.protocol has already been set by now. // Later on, put the first path part into the host field. if (psychotic) { delete source.hostname; delete source.port; if (source.host) { if (srcPath[0] === '') srcPath[0] = source.host; else srcPath.unshift(source.host); } delete source.host; if (relative.protocol) { delete relative.hostname; delete relative.port; if (relative.host) { if (relPath[0] === '') relPath[0] = relative.host; else relPath.unshift(relative.host); } delete relative.host; } mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === ''); } if (isRelAbs) { // it's absolute. source.host = (relative.host || relative.host === '') ? relative.host : source.host; source.hostname = (relative.hostname || relative.hostname === '') ? relative.hostname : source.hostname; source.search = relative.search; source.query = relative.query; srcPath = relPath; // fall through to the dot-handling below. } else if (relPath.length) { // it's relative // throw away the existing file, and take the new path instead. if (!srcPath) srcPath = []; srcPath.pop(); srcPath = srcPath.concat(relPath); source.search = relative.search; source.query = relative.query; } else if ('search' in relative) { // just pull out the search. // like href='?foo'. // Put this after the other two cases because it simplifies the booleans if (psychotic) { source.hostname = source.host = srcPath.shift(); //occationaly the auth can get stuck only in host //this especialy happens in cases like //url.resolveObject('mailto:local1@domain1', 'local2@domain2') var authInHost = source.host && source.host.indexOf('@') > 0 ? source.host.split('@') : false; if (authInHost) { source.auth = authInHost.shift(); source.host = source.hostname = authInHost.shift(); } } source.search = relative.search; source.query = relative.query; //to support http.request if (source.pathname !== undefined || source.search !== undefined) { source.path = (source.pathname ? source.pathname : '') + (source.search ? source.search : ''); } source.href = urlFormat(source); return source; } if (!srcPath.length) { // no path at all. easy. // we've already handled the other stuff above. delete source.pathname; //to support http.request if (!source.search) { source.path = '/' + source.search; } else { delete source.path; } source.href = urlFormat(source); return source; } // if a url ENDs in . or .., then it must get a trailing slash. // however, if it ends in anything else non-slashy, // then it must NOT get a trailing slash. var last = srcPath.slice(-1)[0]; var hasTrailingSlash = ( (source.host || relative.host) && (last === '.' || last === '..') || last === ''); // strip single dots, resolve double dots to parent dir // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = srcPath.length; i >= 0; i--) { last = srcPath[i]; if (last == '.') { srcPath.splice(i, 1); } else if (last === '..') { srcPath.splice(i, 1); up++; } else if (up) { srcPath.splice(i, 1); up--; } } // if the path is allowed to go above the root, restore leading ..s if (!mustEndAbs && !removeAllDots) { for (; up--; up) { srcPath.unshift('..'); } } if (mustEndAbs && srcPath[0] !== '' && (!srcPath[0] || srcPath[0].charAt(0) !== '/')) { srcPath.unshift(''); } if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) { srcPath.push(''); } var isAbsolute = srcPath[0] === '' || (srcPath[0] && srcPath[0].charAt(0) === '/'); // put the host back if (psychotic) { source.hostname = source.host = isAbsolute ? '' : srcPath.length ? srcPath.shift() : ''; //occationaly the auth can get stuck only in host //this especialy happens in cases like //url.resolveObject('mailto:local1@domain1', 'local2@domain2') var authInHost = source.host && source.host.indexOf('@') > 0 ? source.host.split('@') : false; if (authInHost) { source.auth = authInHost.shift(); source.host = source.hostname = authInHost.shift(); } } mustEndAbs = mustEndAbs || (source.host && srcPath.length); if (mustEndAbs && !isAbsolute) { srcPath.unshift(''); } source.pathname = srcPath.join('/'); //to support request.http if (source.pathname !== undefined || source.search !== undefined) { source.path = (source.pathname ? source.pathname : '') + (source.search ? source.search : ''); } source.auth = relative.auth || source.auth; source.slashes = source.slashes || relative.slashes; source.href = urlFormat(source); return source; } function parseHost(host) { var out = {}; var port = portPattern.exec(host); if (port) { port = port[0]; if (port !== ':') { out.port = port.substr(1); } host = host.substr(0, host.length - port.length); } if (host) out.hostname = host; return out; } }()); },{"punycode":12,"querystring":15}],25:[function(require,module,exports){ module.exports = function isBuffer(arg) { return arg && typeof arg === 'object' && typeof arg.copy === 'function' && typeof arg.fill === 'function' && typeof arg.readUInt8 === 'function'; } },{}],26:[function(require,module,exports){ (function (process,global){// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var formatRegExp = /%[sdj%]/g; exports.format = function(f) { if (!isString(f)) { var objects = []; for (var i = 0; i < arguments.length; i++) { objects.push(inspect(arguments[i])); } return objects.join(' '); } var i = 1; var args = arguments; var len = args.length; var str = String(f).replace(formatRegExp, function(x) { if (x === '%%') return '%'; if (i >= len) return x; switch (x) { case '%s': return String(args[i++]); case '%d': return Number(args[i++]); case '%j': try { return JSON.stringify(args[i++]); } catch (_) { return '[Circular]'; } default: return x; } }); for (var x = args[i]; i < len; x = args[++i]) { if (isNull(x) || !isObject(x)) { str += ' ' + x; } else { str += ' ' + inspect(x); } } return str; }; // Mark that a method should not be used. // Returns a modified function which warns once by default. // If --no-deprecation is set, then it is a no-op. exports.deprecate = function(fn, msg) { // Allow for deprecating things in the process of starting up. if (isUndefined(global.process)) { return function() { return exports.deprecate(fn, msg).apply(this, arguments); }; } if (process.noDeprecation === true) { return fn; } var warned = false; function deprecated() { if (!warned) { if (process.throwDeprecation) { throw new Error(msg); } else if (process.traceDeprecation) { console.trace(msg); } else { console.error(msg); } warned = true; } return fn.apply(this, arguments); } return deprecated; }; var debugs = {}; var debugEnviron; exports.debuglog = function(set) { if (isUndefined(debugEnviron)) debugEnviron = process.env.NODE_DEBUG || ''; set = set.toUpperCase(); if (!debugs[set]) { if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { var pid = process.pid; debugs[set] = function() { var msg = exports.format.apply(exports, arguments); console.error('%s %d: %s', set, pid, msg); }; } else { debugs[set] = function() {}; } } return debugs[set]; }; /** * Echos the value of a value. Trys to print the value out * in the best way possible given the different types. * * @param {Object} obj The object to print out. * @param {Object} opts Optional options object that alters the output. */ /* legacy: obj, showHidden, depth, colors*/ function inspect(obj, opts) { // default options var ctx = { seen: [], stylize: stylizeNoColor }; // legacy... if (arguments.length >= 3) ctx.depth = arguments[2]; if (arguments.length >= 4) ctx.colors = arguments[3]; if (isBoolean(opts)) { // legacy... ctx.showHidden = opts; } else if (opts) { // got an "options" object exports._extend(ctx, opts); } // set default options if (isUndefined(ctx.showHidden)) ctx.showHidden = false; if (isUndefined(ctx.depth)) ctx.depth = 2; if (isUndefined(ctx.colors)) ctx.colors = false; if (isUndefined(ctx.customInspect)) ctx.customInspect = true; if (ctx.colors) ctx.stylize = stylizeWithColor; return formatValue(ctx, obj, ctx.depth); } exports.inspect = inspect; // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics inspect.colors = { 'bold' : [1, 22], 'italic' : [3, 23], 'underline' : [4, 24], 'inverse' : [7, 27], 'white' : [37, 39], 'grey' : [90, 39], 'black' : [30, 39], 'blue' : [34, 39], 'cyan' : [36, 39], 'green' : [32, 39], 'magenta' : [35, 39], 'red' : [31, 39], 'yellow' : [33, 39] }; // Don't use 'blue' not visible on cmd.exe inspect.styles = { 'special': 'cyan', 'number': 'yellow', 'boolean': 'yellow', 'undefined': 'grey', 'null': 'bold', 'string': 'green', 'date': 'magenta', // "name": intentionally not styling 'regexp': 'red' }; function stylizeWithColor(str, styleType) { var style = inspect.styles[styleType]; if (style) { return '\u001b[' + inspect.colors[style][0] + 'm' + str + '\u001b[' + inspect.colors[style][1] + 'm'; } else { return str; } } function stylizeNoColor(str, styleType) { return str; } function arrayToHash(array) { var hash = {}; array.forEach(function(val, idx) { hash[val] = true; }); return hash; } function formatValue(ctx, value, recurseTimes) { // Provide a hook for user-specified inspect functions. // Check that value is an object with an inspect function on it if (ctx.customInspect && value && isFunction(value.inspect) && // Filter out the util module, it's inspect function is special value.inspect !== exports.inspect && // Also filter out any prototype objects using the circular check. !(value.constructor && value.constructor.prototype === value)) { var ret = value.inspect(recurseTimes, ctx); if (!isString(ret)) { ret = formatValue(ctx, ret, recurseTimes); } return ret; } // Primitive types cannot have properties var primitive = formatPrimitive(ctx, value); if (primitive) { return primitive; } // Look up the keys of the object. var keys = Object.keys(value); var visibleKeys = arrayToHash(keys); if (ctx.showHidden) { keys = Object.getOwnPropertyNames(value); } // IE doesn't make error fields non-enumerable // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx if (isError(value) && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { return formatError(value); } // Some type of object without properties can be shortcutted. if (keys.length === 0) { if (isFunction(value)) { var name = value.name ? ': ' + value.name : ''; return ctx.stylize('[Function' + name + ']', 'special'); } if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } if (isDate(value)) { return ctx.stylize(Date.prototype.toString.call(value), 'date'); } if (isError(value)) { return formatError(value); } } var base = '', array = false, braces = ['{', '}']; // Make Array say that they are Array if (isArray(value)) { array = true; braces = ['[', ']']; } // Make functions say that they are functions if (isFunction(value)) { var n = value.name ? ': ' + value.name : ''; base = ' [Function' + n + ']'; } // Make RegExps say that they are RegExps if (isRegExp(value)) { base = ' ' + RegExp.prototype.toString.call(value); } // Make dates with properties first say the date if (isDate(value)) { base = ' ' + Date.prototype.toUTCString.call(value); } // Make error with message first say the error if (isError(value)) { base = ' ' + formatError(value); } if (keys.length === 0 && (!array || value.length == 0)) { return braces[0] + base + braces[1]; } if (recurseTimes < 0) { if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } else { return ctx.stylize('[Object]', 'special'); } } ctx.seen.push(value); var output; if (array) { output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); } else { output = keys.map(function(key) { return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); }); } ctx.seen.pop(); return reduceToSingleString(output, base, braces); } function formatPrimitive(ctx, value) { if (isUndefined(value)) return ctx.stylize('undefined', 'undefined'); if (isString(value)) { var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') .replace(/'/g, "\\'") .replace(/\\"/g, '"') + '\''; return ctx.stylize(simple, 'string'); } if (isNumber(value)) return ctx.stylize('' + value, 'number'); if (isBoolean(value)) return ctx.stylize('' + value, 'boolean'); // For some reason typeof null is "object", so special case here. if (isNull(value)) return ctx.stylize('null', 'null'); } function formatError(value) { return '[' + Error.prototype.toString.call(value) + ']'; } function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { var output = []; for (var i = 0, l = value.length; i < l; ++i) { if (hasOwnProperty(value, String(i))) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true)); } else { output.push(''); } } keys.forEach(function(key) { if (!key.match(/^\d+$/)) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true)); } }); return output; } function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { var name, str, desc; desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; if (desc.get) { if (desc.set) { str = ctx.stylize('[Getter/Setter]', 'special'); } else { str = ctx.stylize('[Getter]', 'special'); } } else { if (desc.set) { str = ctx.stylize('[Setter]', 'special'); } } if (!hasOwnProperty(visibleKeys, key)) { name = '[' + key + ']'; } if (!str) { if (ctx.seen.indexOf(desc.value) < 0) { if (isNull(recurseTimes)) { str = formatValue(ctx, desc.value, null); } else { str = formatValue(ctx, desc.value, recurseTimes - 1); } if (str.indexOf('\n') > -1) { if (array) { str = str.split('\n').map(function(line) { return ' ' + line; }).join('\n').substr(2); } else { str = '\n' + str.split('\n').map(function(line) { return ' ' + line; }).join('\n'); } } } else { str = ctx.stylize('[Circular]', 'special'); } } if (isUndefined(name)) { if (array && key.match(/^\d+$/)) { return str; } name = JSON.stringify('' + key); if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { name = name.substr(1, name.length - 2); name = ctx.stylize(name, 'name'); } else { name = name.replace(/'/g, "\\'") .replace(/\\"/g, '"') .replace(/(^"|"$)/g, "'"); name = ctx.stylize(name, 'string'); } } return name + ': ' + str; } function reduceToSingleString(output, base, braces) { var numLinesEst = 0; var length = output.reduce(function(prev, cur) { numLinesEst++; if (cur.indexOf('\n') >= 0) numLinesEst++; return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; }, 0); if (length > 60) { return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n ') + ' ' + braces[1]; } return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; } // NOTE: These type checking functions intentionally don't use `instanceof` // because it is fragile and can be easily faked with `Object.create()`. function isArray(ar) { return Array.isArray(ar); } exports.isArray = isArray; function isBoolean(arg) { return typeof arg === 'boolean'; } exports.isBoolean = isBoolean; function isNull(arg) { return arg === null; } exports.isNull = isNull; function isNullOrUndefined(arg) { return arg == null; } exports.isNullOrUndefined = isNullOrUndefined; function isNumber(arg) { return typeof arg === 'number'; } exports.isNumber = isNumber; function isString(arg) { return typeof arg === 'string'; } exports.isString = isString; function isSymbol(arg) { return typeof arg === 'symbol'; } exports.isSymbol = isSymbol; function isUndefined(arg) { return arg === void 0; } exports.isUndefined = isUndefined; function isRegExp(re) { return isObject(re) && objectToString(re) === '[object RegExp]'; } exports.isRegExp = isRegExp; function isObject(arg) { return typeof arg === 'object' && arg !== null; } exports.isObject = isObject; function isDate(d) { return isObject(d) && objectToString(d) === '[object Date]'; } exports.isDate = isDate; function isError(e) { return isObject(e) && (objectToString(e) === '[object Error]' || e instanceof Error); } exports.isError = isError; function isFunction(arg) { return typeof arg === 'function'; } exports.isFunction = isFunction; function isPrimitive(arg) { return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || typeof arg === 'symbol' || // ES6 symbol typeof arg === 'undefined'; } exports.isPrimitive = isPrimitive; exports.isBuffer = require('./support/isBuffer'); function objectToString(o) { return Object.prototype.toString.call(o); } function pad(n) { return n < 10 ? '0' + n.toString(10) : n.toString(10); } var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; // 26 Feb 16:19:34 function timestamp() { var d = new Date(); var time = [pad(d.getHours()), pad(d.getMinutes()), pad(d.getSeconds())].join(':'); return [d.getDate(), months[d.getMonth()], time].join(' '); } // log is just a thin wrapper to console.log that prepends a timestamp exports.log = function() { console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); }; /** * Inherit the prototype methods from one constructor into another. * * The Function.prototype.inherits from lang.js rewritten as a standalone * function (not on Function.prototype). NOTE: If this file is to be loaded * during bootstrapping this function needs to be rewritten using some native * functions as prototype setup using normal JavaScript does not work as * expected during bootstrapping (see mirror.js in r114903). * * @param {function} ctor Constructor function which needs to inherit the * prototype. * @param {function} superCtor Constructor function to inherit prototype from. */ exports.inherits = require('inherits'); exports._extend = function(origin, add) { // Don't do anything if add isn't an object if (!add || !isObject(add)) return origin; var keys = Object.keys(add); var i = keys.length; while (i--) { origin[keys[i]] = add[keys[i]]; } return origin; }; function hasOwnProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } }).call(this,require("/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./support/isBuffer":25,"/home/substack/projects/testling/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":8,"inherits":7}],27:[function(require,module,exports){ exports.parse = require('./lib/parse'); exports.stringify = require('./lib/stringify'); },{"./lib/parse":28,"./lib/stringify":29}],28:[function(require,module,exports){ var at, // The index of the current character ch, // The current character escapee = { '"': '"', '\\': '\\', '/': '/', b: '\b', f: '\f', n: '\n', r: '\r', t: '\t' }, text, error = function (m) { // Call error when something is wrong. throw { name: 'SyntaxError', message: m, at: at, text: text }; }, next = function (c) { // If a c parameter is provided, verify that it matches the current character. if (c && c !== ch) { error("Expected '" + c + "' instead of '" + ch + "'"); } // Get the next character. When there are no more characters, // return the empty string. ch = text.charAt(at); at += 1; return ch; }, number = function () { // Parse a number value. var number, string = ''; if (ch === '-') { string = '-'; next('-'); } while (ch >= '0' && ch <= '9') { string += ch; next(); } if (ch === '.') { string += '.'; while (next() && ch >= '0' && ch <= '9') { string += ch; } } if (ch === 'e' || ch === 'E') { string += ch; next(); if (ch === '-' || ch === '+') { string += ch; next(); } while (ch >= '0' && ch <= '9') { string += ch; next(); } } number = +string; if (!isFinite(number)) { error("Bad number"); } else { return number; } }, string = function () { // Parse a string value. var hex, i, string = '', uffff; // When parsing for string values, we must look for " and \ characters. if (ch === '"') { while (next()) { if (ch === '"') { next(); return string; } else if (ch === '\\') { next(); if (ch === 'u') { uffff = 0; for (i = 0; i < 4; i += 1) { hex = parseInt(next(), 16); if (!isFinite(hex)) { break; } uffff = uffff * 16 + hex; } string += String.fromCharCode(uffff); } else if (typeof escapee[ch] === 'string') { string += escapee[ch]; } else { break; } } else { string += ch; } } } error("Bad string"); }, white = function () { // Skip whitespace. while (ch && ch <= ' ') { next(); } }, word = function () { // true, false, or null. switch (ch) { case 't': next('t'); next('r'); next('u'); next('e'); return true; case 'f': next('f'); next('a'); next('l'); next('s'); next('e'); return false; case 'n': next('n'); next('u'); next('l'); next('l'); return null; } error("Unexpected '" + ch + "'"); }, value, // Place holder for the value function. array = function () { // Parse an array value. var array = []; if (ch === '[') { next('['); white(); if (ch === ']') { next(']'); return array; // empty array } while (ch) { array.push(value()); white(); if (ch === ']') { next(']'); return array; } next(','); white(); } } error("Bad array"); }, object = function () { // Parse an object value. var key, object = {}; if (ch === '{') { next('{'); white(); if (ch === '}') { next('}'); return object; // empty object } while (ch) { key = string(); white(); next(':'); if (Object.hasOwnProperty.call(object, key)) { error('Duplicate key "' + key + '"'); } object[key] = value(); white(); if (ch === '}') { next('}'); return object; } next(','); white(); } } error("Bad object"); }; value = function () { // Parse a JSON value. It could be an object, an array, a string, a number, // or a word. white(); switch (ch) { case '{': return object(); case '[': return array(); case '"': return string(); case '-': return number(); default: return ch >= '0' && ch <= '9' ? number() : word(); } }; // Return the json_parse function. It will have access to all of the above // functions and variables. module.exports = function (source, reviver) { var result; text = source; at = 0; ch = ' '; result = value(); white(); if (ch) { error("Syntax error"); } // If there is a reviver function, we recursively walk the new structure, // passing each name/value pair to the reviver function for possible // transformation, starting with a temporary root object that holds the result // in an empty key. If there is not a reviver function, we simply return the // result. return typeof reviver === 'function' ? (function walk(holder, key) { var k, v, value = holder[key]; if (value && typeof value === 'object') { for (k in value) { if (Object.prototype.hasOwnProperty.call(value, k)) { v = walk(value, k); if (v !== undefined) { value[k] = v; } else { delete value[k]; } } } } return reviver.call(holder, key, value); }({'': result}, '')) : result; }; },{}],29:[function(require,module,exports){ var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, gap, indent, meta = { // table of character substitutions '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"' : '\\"', '\\': '\\\\' }, rep; function quote(string) { // If the string contains no control characters, no quote characters, and no // backslash characters, then we can safely slap some quotes around it. // Otherwise we must also replace the offending characters with safe escape // sequences. escapable.lastIndex = 0; return escapable.test(string) ? '"' + string.replace(escapable, function (a) { var c = meta[a]; return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); }) + '"' : '"' + string + '"'; } function str(key, holder) { // Produce a string from holder[key]. var i, // The loop counter. k, // The member key. v, // The member value. length, mind = gap, partial, value = holder[key]; // If the value has a toJSON method, call it to obtain a replacement value. if (value && typeof value === 'object' && typeof value.toJSON === 'function') { value = value.toJSON(key); } // If we were called with a replacer function, then call the replacer to // obtain a replacement value. if (typeof rep === 'function') { value = rep.call(holder, key, value); } // What happens next depends on the value's type. switch (typeof value) { case 'string': return quote(value); case 'number': // JSON numbers must be finite. Encode non-finite numbers as null. return isFinite(value) ? String(value) : 'null'; case 'boolean': case 'null': // If the value is a boolean or null, convert it to a string. Note: // typeof null does not produce 'null'. The case is included here in // the remote chance that this gets fixed someday. return String(value); case 'object': if (!value) return 'null'; gap += indent; partial = []; // Array.isArray if (Object.prototype.toString.apply(value) === '[object Array]') { length = value.length; for (i = 0; i < length; i += 1) { partial[i] = str(i, value) || 'null'; } // Join all of the elements together, separated with commas, and // wrap them in brackets. v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : '[' + partial.join(',') + ']'; gap = mind; return v; } // If the replacer is an array, use it to select the members to be // stringified. if (rep && typeof rep === 'object') { length = rep.length; for (i = 0; i < length; i += 1) { k = rep[i]; if (typeof k === 'string') { v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); } } } } else { // Otherwise, iterate through all of the keys in the object. for (k in value) { if (Object.prototype.hasOwnProperty.call(value, k)) { v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); } } } } // Join all of the member texts together, separated with commas, // and wrap them in braces. v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : '{' + partial.join(',') + '}'; gap = mind; return v; } } module.exports = function (value, replacer, space) { var i; gap = ''; indent = ''; // If the space parameter is a number, make an indent string containing that // many spaces. if (typeof space === 'number') { for (i = 0; i < space; i += 1) { indent += ' '; } } // If the space parameter is a string, it will be used as the indent string. else if (typeof space === 'string') { indent = space; } // If there is a replacer, it must be a function or an array. // Otherwise, throw an error. rep = replacer; if (replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) { throw new Error('JSON.stringify'); } // Make a fake root object containing our value under the key of ''. // Return the result of stringifying the value. return str('', {'': value}); }; },{}],30:[function(require,module,exports){ module.exports = function inspect_ (obj, opts, depth, seen) { if (!opts) opts = {}; var maxDepth = opts.depth === undefined ? 5 : opts.depth; if (depth === undefined) depth = 0; if (depth > maxDepth && maxDepth > 0) return '...'; if (seen === undefined) seen = []; else if (indexOf(seen, obj) >= 0) { return '[Circular]'; } function inspect (value, from) { if (from) { seen = seen.slice(); seen.push(from); } return inspect_(value, opts, depth + 1, seen); } if (typeof obj === 'string') { return "'" + obj.replace(/(['\\])/g, '\\$1') + "'"; } else if (typeof obj === 'function') { var name = nameOf(obj); return '[Function' + (name ? ': ' + name : '') + ']'; } else if (isElement(obj)) { var s = '<' + String(obj.nodeName).toLowerCase(); var attrs = obj.attributes || []; for (var i = 0; i < attrs.length; i++) { s += ' ' + attrs[i].name + '="' + quote(attrs[i].value) + '"'; } s += '>'; if (obj.childNodes && obj.childNodes.length) s += '...'; s += '</' + String(obj.tagName).toLowerCase() + '>'; return s; } else if (isArray(obj)) { var xs = Array(obj.length); for (var i = 0; i < obj.length; i++) { xs[i] = inspect(obj[i], obj); } return '[ ' + xs.join(', ') + ' ]'; } else if (typeof obj === 'object' && !isDate(obj) && !isRegExp(obj)) { var xs = []; for (var key in obj) { if (!has(obj, key)) continue; if (/[^\w$]/.test(key)) { xs.push(inspect(key) + ': ' + inspect(obj[key], obj)); } else xs.push(key + ': ' + inspect(obj[key], obj)); } return '{ ' + xs.join(', ') + ' }'; } else return String(obj); }; function quote (s) { return String(s).replace(/"/g, '"'); } function isArray (obj) { return {}.toString.call(obj) === '[object Array]'; } function isDate (obj) { return {}.toString.call(obj) === '[object Date]'; } function isRegExp (obj) { return {}.toString.call(obj) === '[object RegExp]'; } function has (obj, key) { if (!{}.hasOwnProperty) return true; return {}.hasOwnProperty.call(obj, key); } function nameOf (f) { if (f.name) return f.name; var m = f.toString().match(/^function\s*([\w$]+)/); if (m) return m[1]; } function indexOf (xs, x) { if (xs.indexOf) return xs.indexOf(x); for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) return i; } return -1; } function isElement (x) { if (!x || typeof x !== 'object') return false; if (typeof HTMLElement !== 'undefined') { return x instanceof HTMLElement; } else return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function' ; } },{}],31:[function(require,module,exports){ var http = require('http'); var Stream = require('stream'); var encode = typeof encodeURIComponent !== 'undefined' ? encodeURIComponent : escape ; module.exports = function (opts) { if (typeof opts === 'string') { opts = { path : opts }; } if (!opts) opts = {}; if (!opts.id) { opts.id = Math.floor(Math.pow(16, 8) * Math.random()).toString(16); } var stream = new Stream; stream.writable = true; stream.order = 0; stream.write = function (msg) { if (stream.ended) return; var data = 'order=' + stream.order + '&data=' + encode(msg) + '&id=' + encode(opts.id) ; stream.order ++; send(data); }; stream.destroy = function () { stream.ended = true; stream.emit('close'); }; stream.end = function (msg) { if (stream.ended) return; var data = 'order=' + stream.order + '&id=' + encode(opts.id) + '&end=true' ; if (msg !== undefined) data += '&data=' + encode(msg); stream.order ++; send(data); stream.ended = true; stream.emit('close'); }; function send (data) { var params = { method : 'POST', host : opts.host || window.location.hostname, port : opts.port || window.location.port, path : opts.path || '/', headers : { 'content-type' : 'application/x-www-form-urlencoded' } }; var req = http.request(params); req.end(data); } return stream }; },{"http":3,"stream":17}]},{},[1])</script><script>(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ 'use strict'; var ToInteger = require('es-abstract/2018/ToInteger'); var ToLength = require('es-abstract/2018/ToLength'); var ToObject = require('es-abstract/2018/ToObject'); var SameValueZero = require('es-abstract/2018/SameValueZero'); var $isNaN = require('es-abstract/helpers/isNaN'); var $isFinite = require('es-abstract/helpers/isFinite'); var GetIntrinsic = require('es-abstract/GetIntrinsic'); var callBind = require('es-abstract/helpers/callBind'); var $indexOf = callBind.apply(GetIntrinsic('%Array.prototype.indexOf%')); module.exports = function includes(searchElement) { var fromIndex = arguments.length > 1 ? ToInteger(arguments[1]) : 0; if ($indexOf && !$isNaN(searchElement) && $isFinite(fromIndex) && typeof searchElement !== 'undefined') { return $indexOf(this, arguments) > -1; } var O = ToObject(this); var length = ToLength(O.length); if (length === 0) { return false; } var k = fromIndex >= 0 ? fromIndex : Math.max(0, length + fromIndex); while (k < length) { if (SameValueZero(searchElement, O[k])) { return true; } k += 1; } return false; }; },{"es-abstract/2018/SameValueZero":10,"es-abstract/2018/ToInteger":11,"es-abstract/2018/ToLength":12,"es-abstract/2018/ToObject":14,"es-abstract/GetIntrinsic":20,"es-abstract/helpers/callBind":21,"es-abstract/helpers/isFinite":23,"es-abstract/helpers/isNaN":24}],2:[function(require,module,exports){ 'use strict'; var define = require('define-properties'); var RequireObjectCoercible = require('es-abstract/2018/RequireObjectCoercible'); var callBound = require('es-abstract/helpers/callBound'); var implementation = require('./implementation'); var getPolyfill = require('./polyfill'); var polyfill = getPolyfill(); var shim = require('./shim'); var $slice = callBound('Array.prototype.slice'); /* eslint-disable no-unused-vars */ var boundIncludesShim = function includes(array, searchElement) { /* eslint-enable no-unused-vars */ RequireObjectCoercible(array); return polyfill.apply(array, $slice(arguments, 1)); }; define(boundIncludesShim, { getPolyfill: getPolyfill, implementation: implementation, shim: shim }); module.exports = boundIncludesShim; },{"./implementation":1,"./polyfill":80,"./shim":81,"define-properties":7,"es-abstract/2018/RequireObjectCoercible":9,"es-abstract/helpers/callBound":22}],3:[function(require,module,exports){ var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; ;(function (exports) { 'use strict'; var Arr = (typeof Uint8Array !== 'undefined') ? Uint8Array : Array var PLUS = '+'.charCodeAt(0) var SLASH = '/'.charCodeAt(0) var NUMBER = '0'.charCodeAt(0) var LOWER = 'a'.charCodeAt(0) var UPPER = 'A'.charCodeAt(0) var PLUS_URL_SAFE = '-'.charCodeAt(0) var SLASH_URL_SAFE = '_'.charCodeAt(0) function decode (elt) { var code = elt.charCodeAt(0) if (code === PLUS || code === PLUS_URL_SAFE) return 62 // '+' if (code === SLASH || code === SLASH_URL_SAFE) return 63 // '/' if (code < NUMBER) return -1 //no match if (code < NUMBER + 10) return code - NUMBER + 26 + 26 if (code < UPPER + 26) return code - UPPER if (code < LOWER + 26) return code - LOWER + 26 } function b64ToByteArray (b64) { var i, j, l, tmp, placeHolders, arr if (b64.length % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // the number of equal signs (place holders) // if there are two placeholders, than the two characters before it // represent one byte // if there is only one, then the three characters before it represent 2 bytes // this is just a cheap hack to not do indexOf twice var len = b64.length placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 // base64 is 4/3 + up to two characters of the original data arr = new Arr(b64.length * 3 / 4 - placeHolders) // if there are placeholders, only get up to the last complete 4 chars l = placeHolders > 0 ? b64.length - 4 : b64.length var L = 0 function push (v) { arr[L++] = v } for (i = 0, j = 0; i < l; i += 4, j += 3) { tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) push((tmp & 0xFF0000) >> 16) push((tmp & 0xFF00) >> 8) push(tmp & 0xFF) } if (placeHolders === 2) { tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) push(tmp & 0xFF) } else if (placeHolders === 1) { tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) push((tmp >> 8) & 0xFF) push(tmp & 0xFF) } return arr } function uint8ToBase64 (uint8) { var i, extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes output = "", temp, length function encode (num) { return lookup.charAt(num) } function tripletToBase64 (num) { return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) } // go through the array every three bytes, we'll deal with trailing stuff later for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) output += tripletToBase64(temp) } // pad the end with zeros, but make sure to not forget the extra bytes switch (extraBytes) { case 1: temp = uint8[uint8.length - 1] output += encode(temp >> 2) output += encode((temp << 4) & 0x3F) output += '==' break case 2: temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) output += encode(temp >> 10) output += encode((temp >> 4) & 0x3F) output += encode((temp << 2) & 0x3F) output += '=' break } return output } exports.toByteArray = b64ToByteArray exports.fromByteArray = uint8ToBase64 }(typeof exports === 'undefined' ? (this.base64js = {}) : exports)) },{}],4:[function(require,module,exports){ },{}],5:[function(require,module,exports){ /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org> * @license MIT */ var base64 = require('base64-js') var ieee754 = require('ieee754') exports.Buffer = Buffer exports.SlowBuffer = Buffer exports.INSPECT_MAX_BYTES = 50 Buffer.poolSize = 8192 /** * If `Buffer._useTypedArrays`: * === true Use Uint8Array implementation (fastest) * === false Use Object implementation (compatible down to IE6) */ Buffer._useTypedArrays = (function () { // Detect if browser supports Typed Arrays. Supported browsers are IE 10+, Firefox 4+, // Chrome 7+, Safari 5.1+, Opera 11.6+, iOS 4.2+. If the browser does not support adding // properties to `Uint8Array` instances, then that's the same as no `Uint8Array` support // because we need to be able to add all the node Buffer API methods. This is an issue // in Firefox 4-29. Now fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=695438 try { var buf = new ArrayBuffer(0) var arr = new Uint8Array(buf) arr.foo = function () { return 42 } return 42 === arr.foo() && typeof arr.subarray === 'function' // Chrome 9-10 lack `subarray` } catch (e) { return false } })() /** * Class: Buffer * ============= * * The Buffer constructor returns instances of `Uint8Array` that are augmented * with function properties for all the node `Buffer` API functions. We use * `Uint8Array` so that square bracket notation works as expected -- it returns * a single octet. * * By augmenting the instances, we can avoid modifying the `Uint8Array` * prototype. */ function Buffer (subject, encoding, noZero) { if (!(this instanceof Buffer)) return new Buffer(subject, encoding, noZero) var type = typeof subject // Workaround: node's base64 implementation allows for non-padded strings // while base64-js does not. if (encoding === 'base64' && type === 'string') { subject = stringtrim(subject) while (subject.length % 4 !== 0) { subject = subject + '=' } } // Find the length var length if (type === 'number') length = coerce(subject) else if (type === 'string') length = Buffer.byteLength(subject, encoding) else if (type === 'object') length = coerce(subject.length) // assume that object is array-like else throw new Error('First argument needs to be a number, array or string.') var buf if (Buffer._useTypedArrays) { // Preferred: Return an augmented `Uint8Array` instance for best performance buf = Buffer._augment(new Uint8Array(length)) } else { // Fallback: Return THIS instance of Buffer (created by `new`) buf = this buf.length = length buf._isBuffer = true } var i if (Buffer._useTypedArrays && typeof subject.byteLength === 'number') { // Speed optimization -- use set if we're copying from a typed array buf._set(subject) } else if (isArrayish(subject)) { // Treat array-ish objects as a byte array for (i = 0; i < length; i++) { if (Buffer.isBuffer(subject)) buf[i] = subject.readUInt8(i) else buf[i] = subject[i] } } else if (type === 'string') { buf.write(subject, 0, encoding) } else if (type === 'number' && !Buffer._useTypedArrays && !noZero) { for (i = 0; i < length; i++) { buf[i] = 0 } } return buf } // STATIC METHODS // ============== Buffer.isEncoding = function (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'raw': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.isBuffer = function (b) { return !!(b !== null && b !== undefined && b._isBuffer) } Buffer.byteLength = function (str, encoding) { var ret str = str + '' switch (encoding || 'utf8') { case 'hex': ret = str.length / 2 break case 'utf8': case 'utf-8': ret = utf8ToBytes(str).length break case 'ascii': case 'binary': case 'raw': ret = str.length break case 'base64': ret = base64ToBytes(str).length break case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': ret = str.length * 2 break default: throw new Error('Unknown encoding') } return ret } Buffer.concat = function (list, totalLength) { assert(isArray(list), 'Usage: Buffer.concat(list, [totalLength])\n' + 'list should be an Array.') if (list.length === 0) { return new Buffer(0) } else if (list.length === 1) { return list[0] } var i if (typeof totalLength !== 'number') { totalLength = 0 for (i = 0; i < list.length; i++) { totalLength += list[i].length } } var buf = new Buffer(totalLength) var pos = 0 for (i = 0; i < list.length; i++) { var item = list[i] item.copy(buf, pos) pos += item.length } return buf } // BUFFER INSTANCE METHODS // ======================= function _hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 var remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } // must be an even number of digits var strLen = string.length assert(strLen % 2 === 0, 'Invalid hex string') if (length > strLen / 2) { length = strLen / 2 } for (var i = 0; i < length; i++) { var byte = parseInt(string.substr(i * 2, 2), 16) assert(!isNaN(byte), 'Invalid hex string') buf[offset + i] = byte } Buffer._charsWritten = i * 2 return i } function _utf8Write (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(utf8ToBytes(string), buf, offset, length) return charsWritten } function _asciiWrite (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length) return charsWritten } function _binaryWrite (buf, string, offset, length) { return _asciiWrite(buf, string, offset, length) } function _base64Write (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length) return charsWritten } function _utf16leWrite (buf, string, offset, length) { var charsWritten = Buffer._charsWritten = blitBuffer(utf16leToBytes(string), buf, offset, length) return charsWritten } Buffer.prototype.write = function (string, offset, length, encoding) { // Support both (string, offset, length, encoding) // and the legacy (string, encoding, offset, length) if (isFinite(offset)) { if (!isFinite(length)) { encoding = length length = undefined } } else { // legacy var swap = encoding encoding = offset offset = length length = swap } offset = Number(offset) || 0 var remaining = this.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } encoding = String(encoding || 'utf8').toLowerCase() var ret switch (encoding) { case 'hex': ret = _hexWrite(this, string, offset, length) break case 'utf8': case 'utf-8': ret = _utf8Write(this, string, offset, length) break case 'ascii': ret = _asciiWrite(this, string, offset, length) break case 'binary': ret = _binaryWrite(this, string, offset, length) break case 'base64': ret = _base64Write(this, string, offset, length) break case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': ret = _utf16leWrite(this, string, offset, length) break default: throw new Error('Unknown encoding') } return ret } Buffer.prototype.toString = function (encoding, start, end) { var self = this encoding = String(encoding || 'utf8').toLowerCase() start = Number(start) || 0 end = (end !== undefined) ? Number(end) : end = self.length // Fastpath empty strings if (end === start) return '' var ret switch (encoding) { case 'hex': ret = _hexSlice(self, start, end) break case 'utf8': case 'utf-8': ret = _utf8Slice(self, start, end) break case 'ascii': ret = _asciiSlice(self, start, end) break case 'binary': ret = _binarySlice(self, start, end) break case 'base64': ret = _base64Slice(self, start, end) break case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': ret = _utf16leSlice(self, start, end) break default: throw new Error('Unknown encoding') } return ret } Buffer.prototype.toJSON = function () { return { type: 'Buffer', data: Array.prototype.slice.call(this._arr || this, 0) } } // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) Buffer.prototype.copy = function (target, target_start, start, end) { var source = this if (!start) start = 0 if (!end && end !== 0) end = this.length if (!target_start) target_start = 0 // Copy 0 bytes; we're done if (end === start) return if (target.length === 0 || source.length === 0) return // Fatal error conditions assert(end >= start, 'sourceEnd < sourceStart') assert(target_start >= 0 && target_start < target.length, 'targetStart out of bounds') assert(start >= 0 && start < source.length, 'sourceStart out of bounds') assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds') // Are we oob? if (end > this.length) end = this.length if (target.length - target_start < end - start) end = target.length - target_start + start var len = end - start if (len < 100 || !Buffer._useTypedArrays) { for (var i = 0; i < len; i++) target[i + target_start] = this[i + start] } else { target._set(this.subarray(start, start + len), target_start) } } function _base64Slice (buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf) } else { return base64.fromByteArray(buf.slice(start, end)) } } function _utf8Slice (buf, start, end) { var res = '' var tmp = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { if (buf[i] <= 0x7F) { res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i]) tmp = '' } else { tmp += '%' + buf[i].toString(16) } } return res + decodeUtf8Char(tmp) } function _asciiSlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) ret += String.fromCharCode(buf[i]) return ret } function _binarySlice (buf, start, end) { return _asciiSlice(buf, start, end) } function _hexSlice (buf, start, end) { var len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len var out = '' for (var i = start; i < end; i++) { out += toHex(buf[i]) } return out } function _utf16leSlice (buf, start, end) { var bytes = buf.slice(start, end) var res = '' for (var i = 0; i < bytes.length; i += 2) { res += String.fromCharCode(bytes[i] + bytes[i+1] * 256) } return res } Buffer.prototype.slice = function (start, end) { var len = this.length start = clamp(start, len, 0) end = clamp(end, len, len) if (Buffer._useTypedArrays) { return Buffer._augment(this.subarray(start, end)) } else { var sliceLen = end - start var newBuf = new Buffer(sliceLen, undefined, true) for (var i = 0; i < sliceLen; i++) { newBuf[i] = this[i + start] } return newBuf } } // `get` will be removed in Node 0.13+ Buffer.prototype.get = function (offset) { console.log('.get() is deprecated. Access using array indexes instead.') return this.readUInt8(offset) } // `set` will be removed in Node 0.13+ Buffer.prototype.set = function (v, offset) { console.log('.set() is deprecated. Access using array indexes instead.') return this.writeUInt8(v, offset) } Buffer.prototype.readUInt8 = function (offset, noAssert) { if (!noAssert) { assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to read beyond buffer length') } if (offset >= this.length) return return this[offset] } function _readUInt16 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val if (littleEndian) { val = buf[offset] if (offset + 1 < len) val |= buf[offset + 1] << 8 } else { val = buf[offset] << 8 if (offset + 1 < len) val |= buf[offset + 1] } return val } Buffer.prototype.readUInt16LE = function (offset, noAssert) { return _readUInt16(this, offset, true, noAssert) } Buffer.prototype.readUInt16BE = function (offset, noAssert) { return _readUInt16(this, offset, false, noAssert) } function _readUInt32 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val if (littleEndian) { if (offset + 2 < len) val = buf[offset + 2] << 16 if (offset + 1 < len) val |= buf[offset + 1] << 8 val |= buf[offset] if (offset + 3 < len) val = val + (buf[offset + 3] << 24 >>> 0) } else { if (offset + 1 < len) val = buf[offset + 1] << 16 if (offset + 2 < len) val |= buf[offset + 2] << 8 if (offset + 3 < len) val |= buf[offset + 3] val = val + (buf[offset] << 24 >>> 0) } return val } Buffer.prototype.readUInt32LE = function (offset, noAssert) { return _readUInt32(this, offset, true, noAssert) } Buffer.prototype.readUInt32BE = function (offset, noAssert) { return _readUInt32(this, offset, false, noAssert) } Buffer.prototype.readInt8 = function (offset, noAssert) { if (!noAssert) { assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to read beyond buffer length') } if (offset >= this.length) return var neg = this[offset] & 0x80 if (neg) return (0xff - this[offset] + 1) * -1 else return this[offset] } function _readInt16 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val = _readUInt16(buf, offset, littleEndian, true) var neg = val & 0x8000 if (neg) return (0xffff - val + 1) * -1 else return val } Buffer.prototype.readInt16LE = function (offset, noAssert) { return _readInt16(this, offset, true, noAssert) } Buffer.prototype.readInt16BE = function (offset, noAssert) { return _readInt16(this, offset, false, noAssert) } function _readInt32 (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } var len = buf.length if (offset >= len) return var val = _readUInt32(buf, offset, littleEndian, true) var neg = val & 0x80000000 if (neg) return (0xffffffff - val + 1) * -1 else return val } Buffer.prototype.readInt32LE = function (offset, noAssert) { return _readInt32(this, offset, true, noAssert) } Buffer.prototype.readInt32BE = function (offset, noAssert) { return _readInt32(this, offset, false, noAssert) } function _readFloat (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') } return ieee754.read(buf, offset, littleEndian, 23, 4) } Buffer.prototype.readFloatLE = function (offset, noAssert) { return _readFloat(this, offset, true, noAssert) } Buffer.prototype.readFloatBE = function (offset, noAssert) { return _readFloat(this, offset, false, noAssert) } function _readDouble (buf, offset, littleEndian, noAssert) { if (!noAssert) { assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset + 7 < buf.length, 'Trying to read beyond buffer length') } return ieee754.read(buf, offset, littleEndian, 52, 8) } Buffer.prototype.readDoubleLE = function (offset, noAssert) { return _readDouble(this, offset, true, noAssert) } Buffer.prototype.readDoubleBE = function (offset, noAssert) { return _readDouble(this, offset, false, noAssert) } Buffer.prototype.writeUInt8 = function (value, offset, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'trying to write beyond buffer length') verifuint(value, 0xff) } if (offset >= this.length) return this[offset] = value } function _writeUInt16 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'trying to write beyond buffer length') verifuint(value, 0xffff) } var len = buf.length if (offset >= len) return for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) { buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> (littleEndian ? i : 1 - i) * 8 } } Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) { _writeUInt16(this, value, offset, true, noAssert) } Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) { _writeUInt16(this, value, offset, false, noAssert) } function _writeUInt32 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'trying to write beyond buffer length') verifuint(value, 0xffffffff) } var len = buf.length if (offset >= len) return for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) { buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff } } Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) { _writeUInt32(this, value, offset, true, noAssert) } Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) { _writeUInt32(this, value, offset, false, noAssert) } Buffer.prototype.writeInt8 = function (value, offset, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset < this.length, 'Trying to write beyond buffer length') verifsint(value, 0x7f, -0x80) } if (offset >= this.length) return if (value >= 0) this.writeUInt8(value, offset, noAssert) else this.writeUInt8(0xff + value + 1, offset, noAssert) } function _writeInt16 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 1 < buf.length, 'Trying to write beyond buffer length') verifsint(value, 0x7fff, -0x8000) } var len = buf.length if (offset >= len) return if (value >= 0) _writeUInt16(buf, value, offset, littleEndian, noAssert) else _writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert) } Buffer.prototype.writeInt16LE = function (value, offset, noAssert) { _writeInt16(this, value, offset, true, noAssert) } Buffer.prototype.writeInt16BE = function (value, offset, noAssert) { _writeInt16(this, value, offset, false, noAssert) } function _writeInt32 (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') verifsint(value, 0x7fffffff, -0x80000000) } var len = buf.length if (offset >= len) return if (value >= 0) _writeUInt32(buf, value, offset, littleEndian, noAssert) else _writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert) } Buffer.prototype.writeInt32LE = function (value, offset, noAssert) { _writeInt32(this, value, offset, true, noAssert) } Buffer.prototype.writeInt32BE = function (value, offset, noAssert) { _writeInt32(this, value, offset, false, noAssert) } function _writeFloat (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38) } var len = buf.length if (offset >= len) return ieee754.write(buf, value, offset, littleEndian, 23, 4) } Buffer.prototype.writeFloatLE = function (value, offset, noAssert) { _writeFloat(this, value, offset, true, noAssert) } Buffer.prototype.writeFloatBE = function (value, offset, noAssert) { _writeFloat(this, value, offset, false, noAssert) } function _writeDouble (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { assert(value !== undefined && value !== null, 'missing value') assert(typeof littleEndian === 'boolean', 'missing or invalid endian') assert(offset !== undefined && offset !== null, 'missing offset') assert(offset + 7 < buf.length, 'Trying to write beyond buffer length') verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308) } var len = buf.length if (offset >= len) return ieee754.write(buf, value, offset, littleEndian, 52, 8) } Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) { _writeDouble(this, value, offset, true, noAssert) } Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) { _writeDouble(this, value, offset, false, noAssert) } // fill(value, start=0, end=buffer.length) Buffer.prototype.fill = function (value, start, end) { if (!value) value = 0 if (!start) start = 0 if (!end) end = this.length if (typeof value === 'string') { value = value.charCodeAt(0) } assert(typeof value === 'number' && !isNaN(value), 'value is not a number') assert(end >= start, 'end < start') // Fill 0 bytes; we're done if (end === start) return if (this.length === 0) return assert(start >= 0 && start < this.length, 'start out of bounds') assert(end >= 0 && end <= this.length, 'end out of bounds') for (var i = start; i < end; i++) { this[i] = value } } Buffer.prototype.inspect = function () { var out = [] var len = this.length for (var i = 0; i < len; i++) { out[i] = toHex(this[i]) if (i === exports.INSPECT_MAX_BYTES) { out[i + 1] = '...' break } } return '<Buffer ' + out.join(' ') + '>' } /** * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. * Added in Node 0.12. Only available in browsers that support ArrayBuffer. */ Buffer.prototype.toArrayBuffer = function () { if (typeof Uint8Array !== 'undefined') { if (Buffer._useTypedArrays) { return (new Buffer(this)).buffer } else { var buf = new Uint8Array(this.length) for (var i = 0, len = buf.length; i < len; i += 1) buf[i] = this[i] return buf.buffer } } else { throw new Error('Buffer.toArrayBuffer not supported in this browser') } } // HELPER FUNCTIONS // ================ function stringtrim (str) { if (str.trim) return str.trim() return str.replace(/^\s+|\s+$/g, '') } var BP = Buffer.prototype /** * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods */ Buffer._augment = function (arr) { arr._isBuffer = true // save reference to original Uint8Array get/set methods before overwriting arr._get = arr.get arr._set = arr.set // deprecated, will be removed in node 0.13+ arr.get = BP.get arr.set = BP.set arr.write = BP.write arr.toString = BP.toString arr.toLocaleString = BP.toString arr.toJSON = BP.toJSON arr.copy = BP.copy arr.slice = BP.slice arr.readUInt8 = BP.readUInt8 arr.readUInt16LE = BP.readUInt16LE arr.readUInt16BE = BP.readUInt16BE arr.readUInt32LE = BP.readUInt32LE arr.readUInt32BE = BP.readUInt32BE arr.readInt8 = BP.readInt8 arr.readInt16LE = BP.readInt16LE arr.readInt16BE = BP.readInt16BE arr.readInt32LE = BP.readInt32LE arr.readInt32BE = BP.readInt32BE arr.readFloatLE = BP.readFloatLE arr.readFloatBE = BP.readFloatBE arr.readDoubleLE = BP.readDoubleLE arr.readDoubleBE = BP.readDoubleBE arr.writeUInt8 = BP.writeUInt8 arr.writeUInt16LE = BP.writeUInt16LE arr.writeUInt16BE = BP.writeUInt16BE arr.writeUInt32LE = BP.writeUInt32LE arr.writeUInt32BE = BP.writeUInt32BE arr.writeInt8 = BP.writeInt8 arr.writeInt16LE = BP.writeInt16LE arr.writeInt16BE = BP.writeInt16BE arr.writeInt32LE = BP.writeInt32LE arr.writeInt32BE = BP.writeInt32BE arr.writeFloatLE = BP.writeFloatLE arr.writeFloatBE = BP.writeFloatBE arr.writeDoubleLE = BP.writeDoubleLE arr.writeDoubleBE = BP.writeDoubleBE arr.fill = BP.fill arr.inspect = BP.inspect arr.toArrayBuffer = BP.toArrayBuffer return arr } // slice(start, end) function clamp (index, len, defaultValue) { if (typeof index !== 'number') return defaultValue index = ~~index; // Coerce to integer. if (index >= len) return len if (index >= 0) return index index += len if (index >= 0) return index return 0 } function coerce (length) { // Coerce length to a number (possibly NaN), round up // in case it's fractional (e.g. 123.456) then do a // double negate to coerce a NaN to 0. Easy, right? length = ~~Math.ceil(+length) return length < 0 ? 0 : length } function isArray (subject) { return (Array.isArray || function (subject) { return Object.prototype.toString.call(subject) === '[object Array]' })(subject) } function isArrayish (subject) { return isArray(subject) || Buffer.isBuffer(subject) || subject && typeof subject === 'object' && typeof subject.length === 'number' } function toHex (n) { if (n < 16) return '0' + n.toString(16) return n.toString(16) } function utf8ToBytes (str) { var byteArray = [] for (var i = 0; i < str.length; i++) { var b = str.charCodeAt(i) if (b <= 0x7F) byteArray.push(str.charCodeAt(i)) else { var start = i if (b >= 0xD800 && b <= 0xDFFF) i++ var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%') for (var j = 0; j < h.length; j++) byteArray.push(parseInt(h[j], 16)) } } return byteArray } function asciiToBytes (str) { var byteArray = [] for (var i = 0; i < str.length; i++) { // Node's code seems to be doing this and not & 0x7F.. byteArray.push(str.charCodeAt(i) & 0xFF) } return byteArray } function utf16leToBytes (str) { var c, hi, lo var byteArray = [] for (var i = 0; i < str.length; i++) { c = str.charCodeAt(i) hi = c >> 8 lo = c % 256 byteArray.push(lo) byteArray.push(hi) } return byteArray } function base64ToBytes (str) { return base64.toByteArray(str) } function blitBuffer (src, dst, offset, length) { var pos for (var i = 0; i < length; i++) { if ((i + offset >= dst.length) || (i >= src.length)) break dst[i + offset] = src[i] } return i } function decodeUtf8Char (str) { try { return decodeURIComponent(str) } catch (err) { return String.fromCharCode(0xFFFD) // UTF 8 invalid char } } /* * We have to make sure that the value is a valid integer. This means that it * is non-negative. It has no fractional component and that it does not * exceed the maximum allowed value. */ function verifuint (value, max) { assert(typeof value === 'number', 'cannot write a non-number as a number') assert(value >= 0, 'specified a negative value for writing an unsigned value') assert(value <= max, 'value is larger than maximum value for type') assert(Math.floor(value) === value, 'value has a fractional component') } function verifsint (value, max, min) { assert(typeof value === 'number', 'cannot write a non-number as a number') assert(value <= max, 'value larger than maximum allowed value') assert(value >= min, 'value smaller than minimum allowed value') assert(Math.floor(value) === value, 'value has a fractional component') } function verifIEEE754 (value, max, min) { assert(typeof value === 'number', 'cannot write a non-number as a number') assert(value <= max, 'value larger than maximum allowed value') assert(value >= min, 'value smaller than minimum allowed value') } function assert (test, message) { if (!test) throw new Error(message || 'Failed assertion') } },{"base64-js":3,"ieee754":39}],6:[function(require,module,exports){ var objectKeys = require('object-keys'); var isArguments = require('is-arguments'); var is = require('object-is'); var isRegex = require('is-regex'); var flags = require('regexp.prototype.flags'); var isDate = require('is-date-object'); var getTime = Date.prototype.getTime; function deepEqual(actual, expected, options) { var opts = options || {}; // 7.1. All identical values are equivalent, as determined by ===. if (opts.strict ? is(actual, expected) : actual === expected) { return true; } // 7.3. Other pairs that do not both pass typeof value == 'object', equivalence is determined by ==. if (!actual || !expected || (typeof actual !== 'object' && typeof expected !== 'object')) { return opts.strict ? is(actual, expected) : actual == expected; } /* * 7.4. For all other Object pairs, including Array objects, equivalence is * determined by having the same number of owned properties (as verified * with Object.prototype.hasOwnProperty.call), the same set of keys * (although not necessarily the same order), equivalent values for every * corresponding key, and an identical 'prototype' property. Note: this * accounts for both named and indexed properties on Arrays. */ // eslint-disable-next-line no-use-before-define return objEquiv(actual, expected, opts); } function isUndefinedOrNull(value) { return value === null || value === undefined; } function isBuffer(x) { if (!x || typeof x !== 'object' || typeof x.length !== 'number') { return false; } if (typeof x.copy !== 'function' || typeof x.slice !== 'function') { return false; } if (x.length > 0 && typeof x[0] !== 'number') { return false; } return true; } function objEquiv(a, b, opts) { /* eslint max-statements: [2, 50] */ var i, key; if (typeof a !== typeof b) { return false; } if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { return false; } // an identical 'prototype' property. if (a.prototype !== b.prototype) { return false; } if (isArguments(a) !== isArguments(b)) { return false; } var aIsRegex = isRegex(a); var bIsRegex = isRegex(b); if (aIsRegex !== bIsRegex) { return false; } if (aIsRegex || bIsRegex) { return a.source === b.source && flags(a) === flags(b); } if (isDate(a) && isDate(b)) { return getTime.call(a) === getTime.call(b); } var aIsBuffer = isBuffer(a); var bIsBuffer = isBuffer(b); if (aIsBuffer !== bIsBuffer) { return false; } if (aIsBuffer || bIsBuffer) { // && would work too, because both are true or both false here if (a.length !== b.length) { return false; } for (i = 0; i < a.length; i++) { if (a[i] !== b[i]) { return false; } } return true; } if (typeof a !== typeof b) { return false; } try { var ka = objectKeys(a); var kb = objectKeys(b); } catch (e) { // happens when one is a string literal and the other isn't return false; } // having the same number of owned properties (keys incorporates hasOwnProperty) if (ka.length !== kb.length) { return false; } // the same set of keys (although not necessarily the same order), ka.sort(); kb.sort(); // ~~~cheap key test for (i = ka.length - 1; i >= 0; i--) { if (ka[i] != kb[i]) { return false; } } // equivalent values for every corresponding key, and ~~~possibly expensive deep test for (i = ka.length - 1; i >= 0; i--) { key = ka[i]; if (!deepEqual(a[key], b[key], opts)) { return false; } } return true; } module.exports = deepEqual; },{"is-arguments":41,"is-date-object":43,"is-regex":44,"object-is":48,"object-keys":50,"regexp.prototype.flags":55}],7:[function(require,module,exports){ 'use strict'; var keys = require('object-keys'); var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol'; var toStr = Object.prototype.toString; var concat = Array.prototype.concat; var origDefineProperty = Object.defineProperty; var isFunction = function (fn) { return typeof fn === 'function' && toStr.call(fn) === '[object Function]'; }; var arePropertyDescriptorsSupported = function () { var obj = {}; try { origDefineProperty(obj, 'x', { enumerable: false, value: obj }); // eslint-disable-next-line no-unused-vars, no-restricted-syntax for (var _ in obj) { // jscs:ignore disallowUnusedVariables return false; } return obj.x === obj; } catch (e) { /* this is IE 8. */ return false; } }; var supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported(); var defineProperty = function (object, name, value, predicate) { if (name in object && (!isFunction(predicate) || !predicate())) { return; } if (supportsDescriptors) { origDefineProperty(object, name, { configurable: true, enumerable: false, value: value, writable: true }); } else { object[name] = value; } }; var defineProperties = function (object, map) { var predicates = arguments.length > 2 ? arguments[2] : {}; var props = keys(map); if (hasSymbols) { props = concat.call(props, Object.getOwnPropertySymbols(map)); } for (var i = 0; i < props.length; i += 1) { defineProperty(object, props[i], map[props[i]], predicates[props[i]]); } }; defineProperties.supportsDescriptors = !!supportsDescriptors; module.exports = defineProperties; },{"object-keys":50}],8:[function(require,module,exports){ module.exports = function () { for (var i = 0; i < arguments.length; i++) { if (arguments[i] !== undefined) return arguments[i]; } }; },{}],9:[function(require,module,exports){ 'use strict'; module.exports = require('../5/CheckObjectCoercible'); },{"../5/CheckObjectCoercible":17}],10:[function(require,module,exports){ 'use strict'; var $isNaN = require('../helpers/isNaN'); // https://www.ecma-international.org/ecma-262/6.0/#sec-samevaluezero module.exports = function SameValueZero(x, y) { return (x === y) || ($isNaN(x) && $isNaN(y)); }; },{"../helpers/isNaN":24}],11:[function(require,module,exports){ 'use strict'; var ES5ToInteger = require('../5/ToInteger'); var ToNumber = require('./ToNumber'); // https://www.ecma-international.org/ecma-262/6.0/#sec-tointeger module.exports = function ToInteger(value) { var number = ToNumber(value); return ES5ToInteger(number); }; },{"../5/ToInteger":18,"./ToNumber":13}],12:[function(require,module,exports){ 'use strict'; var MAX_SAFE_INTEGER = require('../helpers/maxSafeInteger'); var ToInteger = require('./ToInteger'); module.exports = function ToLength(argument) { var len = ToInteger(argument); if (len <= 0) { return 0; } // includes converting -0 to +0 if (len > MAX_SAFE_INTEGER) { return MAX_SAFE_INTEGER; } return len; }; },{"../helpers/maxSafeInteger":26,"./ToInteger":11}],13:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); var $Number = GetIntrinsic('%Number%'); var $RegExp = GetIntrinsic('%RegExp%'); var $parseInteger = GetIntrinsic('%parseInt%'); var callBound = require('../helpers/callBound'); var regexTester = require('../helpers/regexTester'); var isPrimitive = require('../helpers/isPrimitive'); var $strSlice = callBound('String.prototype.slice'); var isBinary = regexTester(/^0b[01]+$/i); var isOctal = regexTester(/^0o[0-7]+$/i); var isInvalidHexLiteral = regexTester(/^[-+]0x[0-9a-f]+$/i); var nonWS = ['\u0085', '\u200b', '\ufffe'].join(''); var nonWSregex = new $RegExp('[' + nonWS + ']', 'g'); var hasNonWS = regexTester(nonWSregex); // whitespace from: https://es5.github.io/#x15.5.4.20 // implementation from https://github.com/es-shims/es5-shim/blob/v3.4.0/es5-shim.js#L1304-L1324 var ws = [ '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003', '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028', '\u2029\uFEFF' ].join(''); var trimRegex = new RegExp('(^[' + ws + ']+)|([' + ws + ']+$)', 'g'); var $replace = callBound('String.prototype.replace'); var $trim = function (value) { return $replace(value, trimRegex, ''); }; var ToPrimitive = require('./ToPrimitive'); // https://www.ecma-international.org/ecma-262/6.0/#sec-tonumber module.exports = function ToNumber(argument) { var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number); if (typeof value === 'symbol') { throw new $TypeError('Cannot convert a Symbol value to a number'); } if (typeof value === 'string') { if (isBinary(value)) { return ToNumber($parseInteger($strSlice(value, 2), 2)); } else if (isOctal(value)) { return ToNumber($parseInteger($strSlice(value, 2), 8)); } else if (hasNonWS(value) || isInvalidHexLiteral(value)) { return NaN; } else { var trimmed = $trim(value); if (trimmed !== value) { return ToNumber(trimmed); } } } return $Number(value); }; },{"../GetIntrinsic":20,"../helpers/callBound":22,"../helpers/isPrimitive":25,"../helpers/regexTester":27,"./ToPrimitive":15}],14:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $Object = GetIntrinsic('%Object%'); var RequireObjectCoercible = require('./RequireObjectCoercible'); // https://www.ecma-international.org/ecma-262/6.0/#sec-toobject module.exports = function ToObject(value) { RequireObjectCoercible(value); return $Object(value); }; },{"../GetIntrinsic":20,"./RequireObjectCoercible":9}],15:[function(require,module,exports){ 'use strict'; var toPrimitive = require('es-to-primitive/es2015'); // https://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive module.exports = function ToPrimitive(input) { if (arguments.length > 1) { return toPrimitive(input, arguments[1]); } return toPrimitive(input); }; },{"es-to-primitive/es2015":29}],16:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $String = GetIntrinsic('%String%'); var $TypeError = GetIntrinsic('%TypeError%'); // https://www.ecma-international.org/ecma-262/6.0/#sec-tostring module.exports = function ToString(argument) { if (typeof argument === 'symbol') { throw new $TypeError('Cannot convert a Symbol value to a string'); } return $String(argument); }; },{"../GetIntrinsic":20}],17:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); // http://www.ecma-international.org/ecma-262/5.1/#sec-9.10 module.exports = function CheckObjectCoercible(value, optMessage) { if (value == null) { throw new $TypeError(optMessage || ('Cannot call method on ' + value)); } return value; }; },{"../GetIntrinsic":20}],18:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $Math = GetIntrinsic('%Math%'); var ToNumber = require('./ToNumber'); var $isNaN = require('../helpers/isNaN'); var $isFinite = require('../helpers/isFinite'); var $sign = require('../helpers/sign'); var $floor = $Math.floor; var $abs = $Math.abs; // http://www.ecma-international.org/ecma-262/5.1/#sec-9.4 module.exports = function ToInteger(value) { var number = ToNumber(value); if ($isNaN(number)) { return 0; } if (number === 0 || !$isFinite(number)) { return number; } return $sign(number) * $floor($abs(number)); }; },{"../GetIntrinsic":20,"../helpers/isFinite":23,"../helpers/isNaN":24,"../helpers/sign":28,"./ToNumber":19}],19:[function(require,module,exports){ 'use strict'; // http://www.ecma-international.org/ecma-262/5.1/#sec-9.3 module.exports = function ToNumber(value) { return +value; // eslint-disable-line no-implicit-coercion }; },{}],20:[function(require,module,exports){ 'use strict'; /* globals Atomics, SharedArrayBuffer, */ var undefined; var $TypeError = TypeError; var $gOPD = Object.getOwnPropertyDescriptor; var throwTypeError = function () { throw new $TypeError(); }; var ThrowTypeError = $gOPD ? (function () { try { // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties arguments.callee; // IE 8 does not throw here return throwTypeError; } catch (calleeThrows) { try { // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') return $gOPD(arguments, 'callee').get; } catch (gOPDthrows) { return throwTypeError; } } }()) : throwTypeError; if ($gOPD) { try { $gOPD({}, ''); } catch (e) { $gOPD = null; // this is IE 8, which has a broken gOPD } } var hasSymbols = require('has-symbols')(); var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto var generator; // = function * () {}; var generatorFunction = generator ? getProto(generator) : undefined; var asyncFn; // async function() {}; var asyncFunction = asyncFn ? asyncFn.constructor : undefined; var asyncGen; // async function * () {}; var asyncGenFunction = asyncGen ? getProto(asyncGen) : undefined; var asyncGenIterator = asyncGen ? asyncGen() : undefined; var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); var INTRINSICS = { '$ %Array%': Array, '$ %ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, '$ %ArrayBufferPrototype%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer.prototype, '$ %ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, '$ %ArrayPrototype%': Array.prototype, '$ %ArrayProto_entries%': Array.prototype.entries, '$ %ArrayProto_forEach%': Array.prototype.forEach, '$ %ArrayProto_keys%': Array.prototype.keys, '$ %ArrayProto_values%': Array.prototype.values, '$ %AsyncFromSyncIteratorPrototype%': undefined, '$ %AsyncFunction%': asyncFunction, '$ %AsyncFunctionPrototype%': asyncFunction ? asyncFunction.prototype : undefined, '$ %AsyncGenerator%': asyncGen ? getProto(asyncGenIterator) : undefined, '$ %AsyncGeneratorFunction%': asyncGenFunction, '$ %AsyncGeneratorPrototype%': asyncGenFunction ? asyncGenFunction.prototype : undefined, '$ %AsyncIteratorPrototype%': asyncGenIterator && hasSymbols && Symbol.asyncIterator ? asyncGenIterator[Symbol.asyncIterator]() : undefined, '$ %Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, '$ %Boolean%': Boolean, '$ %BooleanPrototype%': Boolean.prototype, '$ %DataView%': typeof DataView === 'undefined' ? undefined : DataView, '$ %DataViewPrototype%': typeof DataView === 'undefined' ? undefined : DataView.prototype, '$ %Date%': Date, '$ %DatePrototype%': Date.prototype, '$ %decodeURI%': decodeURI, '$ %decodeURIComponent%': decodeURIComponent, '$ %encodeURI%': encodeURI, '$ %encodeURIComponent%': encodeURIComponent, '$ %Error%': Error, '$ %ErrorPrototype%': Error.prototype, '$ %eval%': eval, // eslint-disable-line no-eval '$ %EvalError%': EvalError, '$ %EvalErrorPrototype%': EvalError.prototype, '$ %Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, '$ %Float32ArrayPrototype%': typeof Float32Array === 'undefined' ? undefined : Float32Array.prototype, '$ %Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, '$ %Float64ArrayPrototype%': typeof Float64Array === 'undefined' ? undefined : Float64Array.prototype, '$ %Function%': Function, '$ %FunctionPrototype%': Function.prototype, '$ %Generator%': generator ? getProto(generator()) : undefined, '$ %GeneratorFunction%': generatorFunction, '$ %GeneratorPrototype%': generatorFunction ? generatorFunction.prototype : undefined, '$ %Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, '$ %Int8ArrayPrototype%': typeof Int8Array === 'undefined' ? undefined : Int8Array.prototype, '$ %Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, '$ %Int16ArrayPrototype%': typeof Int16Array === 'undefined' ? undefined : Int8Array.prototype, '$ %Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, '$ %Int32ArrayPrototype%': typeof Int32Array === 'undefined' ? undefined : Int32Array.prototype, '$ %isFinite%': isFinite, '$ %isNaN%': isNaN, '$ %IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, '$ %JSON%': typeof JSON === 'object' ? JSON : undefined, '$ %JSONParse%': typeof JSON === 'object' ? JSON.parse : undefined, '$ %Map%': typeof Map === 'undefined' ? undefined : Map, '$ %MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), '$ %MapPrototype%': typeof Map === 'undefined' ? undefined : Map.prototype, '$ %Math%': Math, '$ %Number%': Number, '$ %NumberPrototype%': Number.prototype, '$ %Object%': Object, '$ %ObjectPrototype%': Object.prototype, '$ %ObjProto_toString%': Object.prototype.toString, '$ %ObjProto_valueOf%': Object.prototype.valueOf, '$ %parseFloat%': parseFloat, '$ %parseInt%': parseInt, '$ %Promise%': typeof Promise === 'undefined' ? undefined : Promise, '$ %PromisePrototype%': typeof Promise === 'undefined' ? undefined : Promise.prototype, '$ %PromiseProto_then%': typeof Promise === 'undefined' ? undefined : Promise.prototype.then, '$ %Promise_all%': typeof Promise === 'undefined' ? undefined : Promise.all, '$ %Promise_reject%': typeof Promise === 'undefined' ? undefined : Promise.reject, '$ %Promise_resolve%': typeof Promise === 'undefined' ? undefined : Promise.resolve, '$ %Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, '$ %RangeError%': RangeError, '$ %RangeErrorPrototype%': RangeError.prototype, '$ %ReferenceError%': ReferenceError, '$ %ReferenceErrorPrototype%': ReferenceError.prototype, '$ %Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, '$ %RegExp%': RegExp, '$ %RegExpPrototype%': RegExp.prototype, '$ %Set%': typeof Set === 'undefined' ? undefined : Set, '$ %SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), '$ %SetPrototype%': typeof Set === 'undefined' ? undefined : Set.prototype, '$ %SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, '$ %SharedArrayBufferPrototype%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer.prototype, '$ %String%': String, '$ %StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, '$ %StringPrototype%': String.prototype, '$ %Symbol%': hasSymbols ? Symbol : undefined, '$ %SymbolPrototype%': hasSymbols ? Symbol.prototype : undefined, '$ %SyntaxError%': SyntaxError, '$ %SyntaxErrorPrototype%': SyntaxError.prototype, '$ %ThrowTypeError%': ThrowTypeError, '$ %TypedArray%': TypedArray, '$ %TypedArrayPrototype%': TypedArray ? TypedArray.prototype : undefined, '$ %TypeError%': $TypeError, '$ %TypeErrorPrototype%': $TypeError.prototype, '$ %Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, '$ %Uint8ArrayPrototype%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array.prototype, '$ %Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, '$ %Uint8ClampedArrayPrototype%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray.prototype, '$ %Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, '$ %Uint16ArrayPrototype%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array.prototype, '$ %Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, '$ %Uint32ArrayPrototype%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array.prototype, '$ %URIError%': URIError, '$ %URIErrorPrototype%': URIError.prototype, '$ %WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, '$ %WeakMapPrototype%': typeof WeakMap === 'undefined' ? undefined : WeakMap.prototype, '$ %WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet, '$ %WeakSetPrototype%': typeof WeakSet === 'undefined' ? undefined : WeakSet.prototype }; var bind = require('function-bind'); var $replace = bind.call(Function.call, String.prototype.replace); /* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ var stringToPath = function stringToPath(string) { var result = []; $replace(string, rePropName, function (match, number, quote, subString) { result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : (number || match); }); return result; }; /* end adaptation */ var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { var key = '$ ' + name; if (!(key in INTRINSICS)) { throw new SyntaxError('intrinsic ' + name + ' does not exist!'); } // istanbul ignore if // hopefully this is impossible to test :-) if (typeof INTRINSICS[key] === 'undefined' && !allowMissing) { throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); } return INTRINSICS[key]; }; module.exports = function GetIntrinsic(name, allowMissing) { if (arguments.length > 1 && typeof allowMissing !== 'boolean') { throw new TypeError('"allowMissing" argument must be a boolean'); } var parts = stringToPath(name); if (parts.length === 0) { return getBaseIntrinsic(name, allowMissing); } var value = getBaseIntrinsic('%' + parts[0] + '%', allowMissing); for (var i = 1; i < parts.length; i += 1) { if (value != null) { if ($gOPD && (i + 1) >= parts.length) { var desc = $gOPD(value, parts[i]); value = desc ? (desc.get || desc.value) : value[parts[i]]; } else { value = value[parts[i]]; } } } return value; }; },{"function-bind":34,"has-symbols":36}],21:[function(require,module,exports){ 'use strict'; var bind = require('function-bind'); var GetIntrinsic = require('../GetIntrinsic'); var $Function = GetIntrinsic('%Function%'); var $apply = $Function.apply; var $call = $Function.call; module.exports = function callBind() { return bind.apply($call, arguments); }; module.exports.apply = function applyBind() { return bind.apply($apply, arguments); }; },{"../GetIntrinsic":20,"function-bind":34}],22:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var callBind = require('./callBind'); var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf')); module.exports = function callBoundIntrinsic(name, allowMissing) { var intrinsic = GetIntrinsic(name, !!allowMissing); if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.')) { return callBind(intrinsic); } return intrinsic; }; },{"../GetIntrinsic":20,"./callBind":21}],23:[function(require,module,exports){ 'use strict'; var $isNaN = Number.isNaN || function (a) { return a !== a; }; module.exports = Number.isFinite || function (x) { return typeof x === 'number' && !$isNaN(x) && x !== Infinity && x !== -Infinity; }; },{}],24:[function(require,module,exports){ 'use strict'; module.exports = Number.isNaN || function isNaN(a) { return a !== a; }; },{}],25:[function(require,module,exports){ 'use strict'; module.exports = function isPrimitive(value) { return value === null || (typeof value !== 'function' && typeof value !== 'object'); }; },{}],26:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $Math = GetIntrinsic('%Math%'); var $Number = GetIntrinsic('%Number%'); module.exports = $Number.MAX_SAFE_INTEGER || $Math.pow(2, 53) - 1; },{"../GetIntrinsic":20}],27:[function(require,module,exports){ 'use strict'; var GetIntrinsic = require('../GetIntrinsic'); var $test = GetIntrinsic('RegExp.prototype.test'); var callBind = require('./callBind'); module.exports = function regexTester(regex) { return callBind($test, regex); }; },{"../GetIntrinsic":20,"./callBind":21}],28:[function(require,module,exports){ 'use strict'; module.exports = function sign(number) { return number >= 0 ? 1 : -1; }; },{}],29:[function(require,module,exports){ 'use strict'; var hasSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol'; var isPrimitive = require('./helpers/isPrimitive'); var isCallable = require('is-callable'); var isDate = require('is-date-object'); var isSymbol = require('is-symbol'); var ordinaryToPrimitive = function OrdinaryToPrimitive(O, hint) { if (typeof O === 'undefined' || O === null) { throw new TypeError('Cannot call method on ' + O); } if (typeof hint !== 'string' || (hint !== 'number' && hint !== 'string')) { throw new TypeError('hint must be "string" or "number"'); } var methodNames = hint === 'string' ? ['toString', 'valueOf'] : ['valueOf', 'toString']; var method, result, i; for (i = 0; i < methodNames.length; ++i) { method = O[methodNames[i]]; if (isCallable(method)) { result = method.call(O); if (isPrimitive(result)) { return result; } } } throw new TypeError('No default value'); }; var GetMethod = function GetMethod(O, P) { var func = O[P]; if (func !== null && typeof func !== 'undefined') { if (!isCallable(func)) { throw new TypeError(func + ' returned for property ' + P + ' of object ' + O + ' is not a function'); } return func; } return void 0; }; // http://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive module.exports = function ToPrimitive(input) { if (isPrimitive(input)) { return input; } var hint = 'default'; if (arguments.length > 1) { if (arguments[1] === String) { hint = 'string'; } else if (arguments[1] === Number) { hint = 'number'; } } var exoticToPrim; if (hasSymbols) { if (Symbol.toPrimitive) { exoticToPrim = GetMethod(input, Symbol.toPrimitive); } else if (isSymbol(input)) { exoticToPrim = Symbol.prototype.valueOf; } } if (typeof exoticToPrim !== 'undefined') { var result = exoticToPrim.call(input, hint); if (isPrimitive(result)) { return result; } throw new TypeError('unable to convert exotic object to primitive'); } if (hint === 'default' && (isDate(input) || isSymbol(input))) { hint = 'string'; } return ordinaryToPrimitive(input, hint === 'default' ? 'number' : hint); }; },{"./helpers/isPrimitive":30,"is-callable":42,"is-date-object":43,"is-symbol":45}],30:[function(require,module,exports){ module.exports=require(25) },{}],31:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. function EventEmitter() { this._events = this._events || {}; this._maxListeners = this._maxListeners || undefined; } module.exports = EventEmitter; // Backwards-compat with node 0.10.x EventEmitter.EventEmitter = EventEmitter; EventEmitter.prototype._events = undefined; EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are // added to it. This is a useful default which helps finding memory leaks. EventEmitter.defaultMaxListeners = 10; // Obviously not all Emitters should be limited to 10. This function allows // that to be increased. Set to zero for unlimited. EventEmitter.prototype.setMaxListeners = function(n) { if (!isNumber(n) || n < 0 || isNaN(n)) throw TypeError('n must be a positive number'); this._maxListeners = n; return this; }; EventEmitter.prototype.emit = function(type) { var er, handler, len, args, i, listeners; if (!this._events) this._events = {}; // If there is no 'error' event listener then throw. if (type === 'error') { if (!this._events.error || (isObject(this._events.error) && !this._events.error.length)) { er = arguments[1]; if (er instanceof Error) { throw er; // Unhandled 'error' event } throw TypeError('Uncaught, unspecified "error" event.'); } } handler = this._events[type]; if (isUndefined(handler)) return false; if (isFunction(handler)) { switch (arguments.length) { // fast cases case 1: handler.call(this); break; case 2: handler.call(this, arguments[1]); break; case 3: handler.call(this, arguments[1], arguments[2]); break; // slower default: len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; handler.apply(this, args); } } else if (isObject(handler)) { len = arguments.length; args = new Array(len - 1); for (i = 1; i < len; i++) args[i - 1] = arguments[i]; listeners = handler.slice(); len = listeners.length; for (i = 0; i < len; i++) listeners[i].apply(this, args); } return true; }; EventEmitter.prototype.addListener = function(type, listener) { var m; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events) this._events = {}; // To avoid recursion in the case that type === "newListener"! Before // adding it to the listeners, first emit "newListener". if (this._events.newListener) this.emit('newListener', type, isFunction(listener.listener) ? listener.listener : listener); if (!this._events[type]) // Optimize the case of one listener. Don't need the extra array object. this._events[type] = listener; else if (isObject(this._events[type])) // If we've already got an array, just append. this._events[type].push(listener); else // Adding the second element, need to change to array. this._events[type] = [this._events[type], listener]; // Check for listener leak if (isObject(this._events[type]) && !this._events[type].warned) { var m; if (!isUndefined(this._maxListeners)) { m = this._maxListeners; } else { m = EventEmitter.defaultMaxListeners; } if (m && m > 0 && this._events[type].length > m) { this._events[type].warned = true; console.error('(node) warning: possible EventEmitter memory ' + 'leak detected. %d listeners added. ' + 'Use emitter.setMaxListeners() to increase limit.', this._events[type].length); if (typeof console.trace === 'function') { // not supported in IE 10 console.trace(); } } } return this; }; EventEmitter.prototype.on = EventEmitter.prototype.addListener; EventEmitter.prototype.once = function(type, listener) { if (!isFunction(listener)) throw TypeError('listener must be a function'); var fired = false; function g() { this.removeListener(type, g); if (!fired) { fired = true; listener.apply(this, arguments); } } g.listener = listener; this.on(type, g); return this; }; // emits a 'removeListener' event iff the listener was removed EventEmitter.prototype.removeListener = function(type, listener) { var list, position, length, i; if (!isFunction(listener)) throw TypeError('listener must be a function'); if (!this._events || !this._events[type]) return this; list = this._events[type]; length = list.length; position = -1; if (list === listener || (isFunction(list.listener) && list.listener === listener)) { delete this._events[type]; if (this._events.removeListener) this.emit('removeListener', type, listener); } else if (isObject(list)) { for (i = length; i-- > 0;) { if (list[i] === listener || (list[i].listener && list[i].listener === listener)) { position = i; break; } } if (position < 0) return this; if (list.length === 1) { list.length = 0; delete this._events[type]; } else { list.splice(position, 1); } if (this._events.removeListener) this.emit('removeListener', type, listener); } return this; }; EventEmitter.prototype.removeAllListeners = function(type) { var key, listeners; if (!this._events) return this; // not listening for removeListener, no need to emit if (!this._events.removeListener) { if (arguments.length === 0) this._events = {}; else if (this._events[type]) delete this._events[type]; return this; } // emit removeListener for all listeners on all events if (arguments.length === 0) { for (key in this._events) { if (key === 'removeListener') continue; this.removeAllListeners(key); } this.removeAllListeners('removeListener'); this._events = {}; return this; } listeners = this._events[type]; if (isFunction(listeners)) { this.removeListener(type, listeners); } else { // LIFO order while (listeners.length) this.removeListener(type, listeners[listeners.length - 1]); } delete this._events[type]; return this; }; EventEmitter.prototype.listeners = function(type) { var ret; if (!this._events || !this._events[type]) ret = []; else if (isFunction(this._events[type])) ret = [this._events[type]]; else ret = this._events[type].slice(); return ret; }; EventEmitter.listenerCount = function(emitter, type) { var ret; if (!emitter._events || !emitter._events[type]) ret = 0; else if (isFunction(emitter._events[type])) ret = 1; else ret = emitter._events[type].length; return ret; }; function isFunction(arg) { return typeof arg === 'function'; } function isNumber(arg) { return typeof arg === 'number'; } function isObject(arg) { return typeof arg === 'object' && arg !== null; } function isUndefined(arg) { return arg === void 0; } },{}],32:[function(require,module,exports){ 'use strict'; var isCallable = require('is-callable'); var toStr = Object.prototype.toString; var hasOwnProperty = Object.prototype.hasOwnProperty; var forEachArray = function forEachArray(array, iterator, receiver) { for (var i = 0, len = array.length; i < len; i++) { if (hasOwnProperty.call(array, i)) { if (receiver == null) { iterator(array[i], i, array); } else { iterator.call(receiver, array[i], i, array); } } } }; var forEachString = function forEachString(string, iterator, receiver) { for (var i = 0, len = string.length; i < len; i++) { // no such thing as a sparse string. if (receiver == null) { iterator(string.charAt(i), i, string); } else { iterator.call(receiver, string.charAt(i), i, string); } } }; var forEachObject = function forEachObject(object, iterator, receiver) { for (var k in object) { if (hasOwnProperty.call(object, k)) { if (receiver == null) { iterator(object[k], k, object); } else { iterator.call(receiver, object[k], k, object); } } } }; var forEach = function forEach(list, iterator, thisArg) { if (!isCallable(iterator)) { throw new TypeError('iterator must be a function'); } var receiver; if (arguments.length >= 3) { receiver = thisArg; } if (toStr.call(list) === '[object Array]') { forEachArray(list, iterator, receiver); } else if (typeof list === 'string') { forEachString(list, iterator, receiver); } else { forEachObject(list, iterator, receiver); } }; module.exports = forEach; },{"is-callable":42}],33:[function(require,module,exports){ 'use strict'; /* eslint no-invalid-this: 1 */ var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; var slice = Array.prototype.slice; var toStr = Object.prototype.toString; var funcType = '[object Function]'; module.exports = function bind(that) { var target = this; if (typeof target !== 'function' || toStr.call(target) !== funcType) { throw new TypeError(ERROR_MESSAGE + target); } var args = slice.call(arguments, 1); var bound; var binder = function () { if (this instanceof bound) { var result = target.apply( this, args.concat(slice.call(arguments)) ); if (Object(result) === result) { return result; } return this; } else { return target.apply( that, args.concat(slice.call(arguments)) ); } }; var boundLength = Math.max(0, target.length - args.length); var boundArgs = []; for (var i = 0; i < boundLength; i++) { boundArgs.push('$' + i); } bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder); if (target.prototype) { var Empty = function Empty() {}; Empty.prototype = target.prototype; bound.prototype = new Empty(); Empty.prototype = null; } return bound; }; },{}],34:[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); module.exports = Function.prototype.bind || implementation; },{"./implementation":33}],35:[function(require,module,exports){ 'use strict'; var functionsHaveNames = function functionsHaveNames() { return typeof function f() {}.name === 'string'; }; var gOPD = Object.getOwnPropertyDescriptor; functionsHaveNames.functionsHaveConfigurableNames = function functionsHaveConfigurableNames() { return functionsHaveNames() && gOPD && !!gOPD(function () {}, 'name').configurable; }; var $bind = Function.prototype.bind; functionsHaveNames.boundFunctionsHaveNames = function boundFunctionsHaveNames() { return functionsHaveNames() && typeof $bind === 'function' && function f() {}.bind().name !== ''; }; module.exports = functionsHaveNames; },{}],36:[function(require,module,exports){ (function (global){ 'use strict'; var origSymbol = global.Symbol; var hasSymbolSham = require('./shams'); module.exports = function hasNativeSymbols() { if (typeof origSymbol !== 'function') { return false; } if (typeof Symbol !== 'function') { return false; } if (typeof origSymbol('foo') !== 'symbol') { return false; } if (typeof Symbol('bar') !== 'symbol') { return false; } return hasSymbolSham(); }; }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./shams":37}],37:[function(require,module,exports){ 'use strict'; /* eslint complexity: [2, 18], max-statements: [2, 33] */ module.exports = function hasSymbols() { if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } if (typeof Symbol.iterator === 'symbol') { return true; } var obj = {}; var sym = Symbol('test'); var symObj = Object(sym); if (typeof sym === 'string') { return false; } if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } // temp disabled per https://github.com/ljharb/object.assign/issues/17 // if (sym instanceof Symbol) { return false; } // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 // if (!(symObj instanceof Symbol)) { return false; } // if (typeof Symbol.prototype.toString !== 'function') { return false; } // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } var symVal = 42; obj[sym] = symVal; for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } var syms = Object.getOwnPropertySymbols(obj); if (syms.length !== 1 || syms[0] !== sym) { return false; } if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } if (typeof Object.getOwnPropertyDescriptor === 'function') { var descriptor = Object.getOwnPropertyDescriptor(obj, sym); if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } } return true; }; },{}],38:[function(require,module,exports){ 'use strict'; var bind = require('function-bind'); module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty); },{"function-bind":34}],39:[function(require,module,exports){ exports.read = function (buffer, offset, isLE, mLen, nBytes) { var e, m var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var nBits = -7 var i = isLE ? (nBytes - 1) : 0 var d = isLE ? -1 : 1 var s = buffer[offset + i] i += d e = s & ((1 << (-nBits)) - 1) s >>= (-nBits) nBits += eLen for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} m = e & ((1 << (-nBits)) - 1) e >>= (-nBits) nBits += mLen for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} if (e === 0) { e = 1 - eBias } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity) } else { m = m + Math.pow(2, mLen) e = e - eBias } return (s ? -1 : 1) * m * Math.pow(2, e - mLen) } exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { var e, m, c var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) var i = isLE ? 0 : (nBytes - 1) var d = isLE ? 1 : -1 var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 value = Math.abs(value) if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0 e = eMax } else { e = Math.floor(Math.log(value) / Math.LN2) if (value * (c = Math.pow(2, -e)) < 1) { e-- c *= 2 } if (e + eBias >= 1) { value += rt / c } else { value += rt * Math.pow(2, 1 - eBias) } if (value * c >= 2) { e++ c /= 2 } if (e + eBias >= eMax) { m = 0 e = eMax } else if (e + eBias >= 1) { m = ((value * c) - 1) * Math.pow(2, mLen) e = e + eBias } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) e = 0 } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} e = (e << mLen) | m eLen += mLen for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} buffer[offset + i - d] |= s * 128 } },{}],40:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }) } }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } } },{}],41:[function(require,module,exports){ 'use strict'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; var toStr = Object.prototype.toString; var isStandardArguments = function isArguments(value) { if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) { return false; } return toStr.call(value) === '[object Arguments]'; }; var isLegacyArguments = function isArguments(value) { if (isStandardArguments(value)) { return true; } return value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && toStr.call(value) !== '[object Array]' && toStr.call(value.callee) === '[object Function]'; }; var supportsStandardArguments = (function () { return isStandardArguments(arguments); }()); isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments; },{}],42:[function(require,module,exports){ 'use strict'; var fnToStr = Function.prototype.toString; var constructorRegex = /^\s*class\b/; var isES6ClassFn = function isES6ClassFunction(value) { try { var fnStr = fnToStr.call(value); return constructorRegex.test(fnStr); } catch (e) { return false; // not a function } }; var tryFunctionObject = function tryFunctionToStr(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }; var toStr = Object.prototype.toString; var fnClass = '[object Function]'; var genClass = '[object GeneratorFunction]'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; module.exports = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (typeof value === 'function' && !value.prototype) { return true; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = toStr.call(value); return strClass === fnClass || strClass === genClass; }; },{}],43:[function(require,module,exports){ 'use strict'; var getDay = Date.prototype.getDay; var tryDateObject = function tryDateObject(value) { try { getDay.call(value); return true; } catch (e) { return false; } }; var toStr = Object.prototype.toString; var dateClass = '[object Date]'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; module.exports = function isDateObject(value) { if (typeof value !== 'object' || value === null) { return false; } return hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass; }; },{}],44:[function(require,module,exports){ 'use strict'; var has = require('has'); var regexExec = RegExp.prototype.exec; var gOPD = Object.getOwnPropertyDescriptor; var tryRegexExecCall = function tryRegexExec(value) { try { var lastIndex = value.lastIndex; value.lastIndex = 0; regexExec.call(value); return true; } catch (e) { return false; } finally { value.lastIndex = lastIndex; } }; var toStr = Object.prototype.toString; var regexClass = '[object RegExp]'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; module.exports = function isRegex(value) { if (!value || typeof value !== 'object') { return false; } if (!hasToStringTag) { return toStr.call(value) === regexClass; } var descriptor = gOPD(value, 'lastIndex'); var hasLastIndexDataProperty = descriptor && has(descriptor, 'value'); if (!hasLastIndexDataProperty) { return false; } return tryRegexExecCall(value); }; },{"has":38}],45:[function(require,module,exports){ 'use strict'; var toStr = Object.prototype.toString; var hasSymbols = require('has-symbols')(); if (hasSymbols) { var symToStr = Symbol.prototype.toString; var symStringRegex = /^Symbol\(.*\)$/; var isSymbolObject = function isRealSymbolObject(value) { if (typeof value.valueOf() !== 'symbol') { return false; } return symStringRegex.test(symToStr.call(value)); }; module.exports = function isSymbol(value) { if (typeof value === 'symbol') { return true; } if (toStr.call(value) !== '[object Symbol]') { return false; } try { return isSymbolObject(value); } catch (e) { return false; } }; } else { module.exports = function isSymbol(value) { // this environment does not support Symbols. return false && value; }; } },{"has-symbols":36}],46:[function(require,module,exports){ var hasMap = typeof Map === 'function' && Map.prototype; var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null; var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null; var mapForEach = hasMap && Map.prototype.forEach; var hasSet = typeof Set === 'function' && Set.prototype; var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null; var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null; var setForEach = hasSet && Set.prototype.forEach; var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype; var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null; var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype; var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null; var booleanValueOf = Boolean.prototype.valueOf; var objectToString = Object.prototype.toString; var match = String.prototype.match; var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null; var inspectCustom = require('./util.inspect').custom; var inspectSymbol = inspectCustom && isSymbol(inspectCustom) ? inspectCustom : null; module.exports = function inspect_(obj, options, depth, seen) { var opts = options || {}; if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) { throw new TypeError('option "quoteStyle" must be "single" or "double"'); } if (typeof obj === 'undefined') { return 'undefined'; } if (obj === null) { return 'null'; } if (typeof obj === 'boolean') { return obj ? 'true' : 'false'; } if (typeof obj === 'string') { return inspectString(obj, opts); } if (typeof obj === 'number') { if (obj === 0) { return Infinity / obj > 0 ? '0' : '-0'; } return String(obj); } if (typeof obj === 'bigint') { // eslint-disable-line valid-typeof return String(obj) + 'n'; } var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth; if (typeof depth === 'undefined') { depth = 0; } if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') { return '[Object]'; } if (typeof seen === 'undefined') { seen = []; } else if (indexOf(seen, obj) >= 0) { return '[Circular]'; } function inspect(value, from) { if (from) { seen = seen.slice(); seen.push(from); } return inspect_(value, opts, depth + 1, seen); } if (typeof obj === 'function') { var name = nameOf(obj); return '[Function' + (name ? ': ' + name : '') + ']'; } if (isSymbol(obj)) { var symString = Symbol.prototype.toString.call(obj); return typeof obj === 'object' ? markBoxed(symString) : symString; } if (isElement(obj)) { var s = '<' + String(obj.nodeName).toLowerCase(); var attrs = obj.attributes || []; for (var i = 0; i < attrs.length; i++) { s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts); } s += '>'; if (obj.childNodes && obj.childNodes.length) { s += '...'; } s += '</' + String(obj.nodeName).toLowerCase() + '>'; return s; } if (isArray(obj)) { if (obj.length === 0) { return '[]'; } return '[ ' + arrObjKeys(obj, inspect).join(', ') + ' ]'; } if (isError(obj)) { var parts = arrObjKeys(obj, inspect); if (parts.length === 0) { return '[' + String(obj) + ']'; } return '{ [' + String(obj) + '] ' + parts.join(', ') + ' }'; } if (typeof obj === 'object') { if (inspectSymbol && typeof obj[inspectSymbol] === 'function') { return obj[inspectSymbol](); } else if (typeof obj.inspect === 'function') { return obj.inspect(); } } if (isMap(obj)) { var mapParts = []; mapForEach.call(obj, function (value, key) { mapParts.push(inspect(key, obj) + ' => ' + inspect(value, obj)); }); return collectionOf('Map', mapSize.call(obj), mapParts); } if (isSet(obj)) { var setParts = []; setForEach.call(obj, function (value) { setParts.push(inspect(value, obj)); }); return collectionOf('Set', setSize.call(obj), setParts); } if (isWeakMap(obj)) { return weakCollectionOf('WeakMap'); } if (isWeakSet(obj)) { return weakCollectionOf('WeakSet'); } if (isNumber(obj)) { return markBoxed(inspect(Number(obj))); } if (isBigInt(obj)) { return markBoxed(inspect(bigIntValueOf.call(obj))); } if (isBoolean(obj)) { return markBoxed(booleanValueOf.call(obj)); } if (isString(obj)) { return markBoxed(inspect(String(obj))); } if (!isDate(obj) && !isRegExp(obj)) { var xs = arrObjKeys(obj, inspect); if (xs.length === 0) { return '{}'; } return '{ ' + xs.join(', ') + ' }'; } return String(obj); }; function wrapQuotes(s, defaultStyle, opts) { var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'"; return quoteChar + s + quoteChar; } function quote(s) { return String(s).replace(/"/g, '"'); } function isArray(obj) { return toStr(obj) === '[object Array]'; } function isDate(obj) { return toStr(obj) === '[object Date]'; } function isRegExp(obj) { return toStr(obj) === '[object RegExp]'; } function isError(obj) { return toStr(obj) === '[object Error]'; } function isSymbol(obj) { return toStr(obj) === '[object Symbol]'; } function isString(obj) { return toStr(obj) === '[object String]'; } function isNumber(obj) { return toStr(obj) === '[object Number]'; } function isBigInt(obj) { return toStr(obj) === '[object BigInt]'; } function isBoolean(obj) { return toStr(obj) === '[object Boolean]'; } var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; }; function has(obj, key) { return hasOwn.call(obj, key); } function toStr(obj) { return objectToString.call(obj); } function nameOf(f) { if (f.name) { return f.name; } var m = match.call(f, /^function\s*([\w$]+)/); if (m) { return m[1]; } return null; } function indexOf(xs, x) { if (xs.indexOf) { return xs.indexOf(x); } for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) { return i; } } return -1; } function isMap(x) { if (!mapSize || !x || typeof x !== 'object') { return false; } try { mapSize.call(x); try { setSize.call(x); } catch (s) { return true; } return x instanceof Map; // core-js workaround, pre-v2.5.0 } catch (e) {} return false; } function isWeakMap(x) { if (!weakMapHas || !x || typeof x !== 'object') { return false; } try { weakMapHas.call(x, weakMapHas); try { weakSetHas.call(x, weakSetHas); } catch (s) { return true; } return x instanceof WeakMap; // core-js workaround, pre-v2.5.0 } catch (e) {} return false; } function isSet(x) { if (!setSize || !x || typeof x !== 'object') { return false; } try { setSize.call(x); try { mapSize.call(x); } catch (m) { return true; } return x instanceof Set; // core-js workaround, pre-v2.5.0 } catch (e) {} return false; } function isWeakSet(x) { if (!weakSetHas || !x || typeof x !== 'object') { return false; } try { weakSetHas.call(x, weakSetHas); try { weakMapHas.call(x, weakMapHas); } catch (s) { return true; } return x instanceof WeakSet; // core-js workaround, pre-v2.5.0 } catch (e) {} return false; } function isElement(x) { if (!x || typeof x !== 'object') { return false; } if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) { return true; } return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function'; } function inspectString(str, opts) { // eslint-disable-next-line no-control-regex var s = str.replace(/(['\\])/g, '\\$1').replace(/[\x00-\x1f]/g, lowbyte); return wrapQuotes(s, 'single', opts); } function lowbyte(c) { var n = c.charCodeAt(0); var x = { 8: 'b', 9: 't', 10: 'n', 12: 'f', 13: 'r' }[n]; if (x) { return '\\' + x; } return '\\x' + (n < 0x10 ? '0' : '') + n.toString(16); } function markBoxed(str) { return 'Object(' + str + ')'; } function weakCollectionOf(type) { return type + ' { ? }'; } function collectionOf(type, size, entries) { return type + ' (' + size + ') {' + entries.join(', ') + '}'; } function arrObjKeys(obj, inspect) { var isArr = isArray(obj); var xs = []; if (isArr) { xs.length = obj.length; for (var i = 0; i < obj.length; i++) { xs[i] = has(obj, i) ? inspect(obj[i], obj) : ''; } } for (var key in obj) { // eslint-disable-line no-restricted-syntax if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue if ((/[^\w$]/).test(key)) { xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj)); } else { xs.push(key + ': ' + inspect(obj[key], obj)); } } return xs; } },{"./util.inspect":47}],47:[function(require,module,exports){ module.exports = require('util').inspect; },{"util":79}],48:[function(require,module,exports){ 'use strict'; // http://www.ecma-international.org/ecma-262/6.0/#sec-object.is var numberIsNaN = function (value) { return value !== value; }; module.exports = function is(a, b) { if (a === 0 && b === 0) { return 1 / a === 1 / b; } if (a === b) { return true; } if (numberIsNaN(a) && numberIsNaN(b)) { return true; } return false; }; },{}],49:[function(require,module,exports){ 'use strict'; var keysShim; if (!Object.keys) { // modified from https://github.com/es-shims/es5-shim var has = Object.prototype.hasOwnProperty; var toStr = Object.prototype.toString; var isArgs = require('./isArguments'); // eslint-disable-line global-require var isEnumerable = Object.prototype.propertyIsEnumerable; var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString'); var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype'); var dontEnums = [ 'toString', 'toLocaleString', 'valueOf', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'constructor' ]; var equalsConstructorPrototype = function (o) { var ctor = o.constructor; return ctor && ctor.prototype === o; }; var excludedKeys = { $applicationCache: true, $console: true, $external: true, $frame: true, $frameElement: true, $frames: true, $innerHeight: true, $innerWidth: true, $onmozfullscreenchange: true, $onmozfullscreenerror: true, $outerHeight: true, $outerWidth: true, $pageXOffset: true, $pageYOffset: true, $parent: true, $scrollLeft: true, $scrollTop: true, $scrollX: true, $scrollY: true, $self: true, $webkitIndexedDB: true, $webkitStorageInfo: true, $window: true }; var hasAutomationEqualityBug = (function () { /* global window */ if (typeof window === 'undefined') { return false; } for (var k in window) { try { if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') { try { equalsConstructorPrototype(window[k]); } catch (e) { return true; } } } catch (e) { return true; } } return false; }()); var equalsConstructorPrototypeIfNotBuggy = function (o) { /* global window */ if (typeof window === 'undefined' || !hasAutomationEqualityBug) { return equalsConstructorPrototype(o); } try { return equalsConstructorPrototype(o); } catch (e) { return false; } }; keysShim = function keys(object) { var isObject = object !== null && typeof object === 'object'; var isFunction = toStr.call(object) === '[object Function]'; var isArguments = isArgs(object); var isString = isObject && toStr.call(object) === '[object String]'; var theKeys = []; if (!isObject && !isFunction && !isArguments) { throw new TypeError('Object.keys called on a non-object'); } var skipProto = hasProtoEnumBug && isFunction; if (isString && object.length > 0 && !has.call(object, 0)) { for (var i = 0; i < object.length; ++i) { theKeys.push(String(i)); } } if (isArguments && object.length > 0) { for (var j = 0; j < object.length; ++j) { theKeys.push(String(j)); } } else { for (var name in object) { if (!(skipProto && name === 'prototype') && has.call(object, name)) { theKeys.push(String(name)); } } } if (hasDontEnumBug) { var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); for (var k = 0; k < dontEnums.length; ++k) { if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) { theKeys.push(dontEnums[k]); } } } return theKeys; }; } module.exports = keysShim; },{"./isArguments":51}],50:[function(require,module,exports){ 'use strict'; var slice = Array.prototype.slice; var isArgs = require('./isArguments'); var origKeys = Object.keys; var keysShim = origKeys ? function keys(o) { return origKeys(o); } : require('./implementation'); var originalKeys = Object.keys; keysShim.shim = function shimObjectKeys() { if (Object.keys) { var keysWorksWithArguments = (function () { // Safari 5.0 bug var args = Object.keys(arguments); return args && args.length === arguments.length; }(1, 2)); if (!keysWorksWithArguments) { Object.keys = function keys(object) { // eslint-disable-line func-name-matching if (isArgs(object)) { return originalKeys(slice.call(object)); } return originalKeys(object); }; } } else { Object.keys = keysShim; } return Object.keys || keysShim; }; module.exports = keysShim; },{"./implementation":49,"./isArguments":51}],51:[function(require,module,exports){ 'use strict'; var toStr = Object.prototype.toString; module.exports = function isArguments(value) { var str = toStr.call(value); var isArgs = str === '[object Arguments]'; if (!isArgs) { isArgs = str !== '[object Array]' && value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && toStr.call(value.callee) === '[object Function]'; } return isArgs; }; },{}],52:[function(require,module,exports){ (function (process){ // .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1, // backported and transplited with Babel, with backwards-compat fixes // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // resolves . and .. elements in a path array with directory names there // must be no slashes, empty elements, or device names (c:\) in the array // (so also no leading and trailing slashes - it does not distinguish // relative and absolute paths) function normalizeArray(parts, allowAboveRoot) { // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = parts.length - 1; i >= 0; i--) { var last = parts[i]; if (last === '.') { parts.splice(i, 1); } else if (last === '..') { parts.splice(i, 1); up++; } else if (up) { parts.splice(i, 1); up--; } } // if the path is allowed to go above the root, restore leading ..s if (allowAboveRoot) { for (; up--; up) { parts.unshift('..'); } } return parts; } // path.resolve([from ...], to) // posix version exports.resolve = function() { var resolvedPath = '', resolvedAbsolute = false; for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { var path = (i >= 0) ? arguments[i] : process.cwd(); // Skip empty and invalid entries if (typeof path !== 'string') { throw new TypeError('Arguments to path.resolve must be strings'); } else if (!path) { continue; } resolvedPath = path + '/' + resolvedPath; resolvedAbsolute = path.charAt(0) === '/'; } // At this point the path should be resolved to a full absolute path, but // handle relative paths to be safe (might happen when process.cwd() fails) // Normalize the path resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { return !!p; }), !resolvedAbsolute).join('/'); return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; }; // path.normalize(path) // posix version exports.normalize = function(path) { var isAbsolute = exports.isAbsolute(path), trailingSlash = substr(path, -1) === '/'; // Normalize the path path = normalizeArray(filter(path.split('/'), function(p) { return !!p; }), !isAbsolute).join('/'); if (!path && !isAbsolute) { path = '.'; } if (path && trailingSlash) { path += '/'; } return (isAbsolute ? '/' : '') + path; }; // posix version exports.isAbsolute = function(path) { return path.charAt(0) === '/'; }; // posix version exports.join = function() { var paths = Array.prototype.slice.call(arguments, 0); return exports.normalize(filter(paths, function(p, index) { if (typeof p !== 'string') { throw new TypeError('Arguments to path.join must be strings'); } return p; }).join('/')); }; // path.relative(from, to) // posix version exports.relative = function(from, to) { from = exports.resolve(from).substr(1); to = exports.resolve(to).substr(1); function trim(arr) { var start = 0; for (; start < arr.length; start++) { if (arr[start] !== '') break; } var end = arr.length - 1; for (; end >= 0; end--) { if (arr[end] !== '') break; } if (start > end) return []; return arr.slice(start, end - start + 1); } var fromParts = trim(from.split('/')); var toParts = trim(to.split('/')); var length = Math.min(fromParts.length, toParts.length); var samePartsLength = length; for (var i = 0; i < length; i++) { if (fromParts[i] !== toParts[i]) { samePartsLength = i; break; } } var outputParts = []; for (var i = samePartsLength; i < fromParts.length; i++) { outputParts.push('..'); } outputParts = outputParts.concat(toParts.slice(samePartsLength)); return outputParts.join('/'); }; exports.sep = '/'; exports.delimiter = ':'; exports.dirname = function (path) { if (typeof path !== 'string') path = path + ''; if (path.length === 0) return '.'; var code = path.charCodeAt(0); var hasRoot = code === 47 /*/*/; var end = -1; var matchedSlash = true; for (var i = path.length - 1; i >= 1; --i) { code = path.charCodeAt(i); if (code === 47 /*/*/) { if (!matchedSlash) { end = i; break; } } else { // We saw the first non-path separator matchedSlash = false; } } if (end === -1) return hasRoot ? '/' : '.'; if (hasRoot && end === 1) { // return '//'; // Backwards-compat fix: return '/'; } return path.slice(0, end); }; function basename(path) { if (typeof path !== 'string') path = path + ''; var start = 0; var end = -1; var matchedSlash = true; var i; for (i = path.length - 1; i >= 0; --i) { if (path.charCodeAt(i) === 47 /*/*/) { // If we reached a path separator that was not part of a set of path // separators at the end of the string, stop now if (!matchedSlash) { start = i + 1; break; } } else if (end === -1) { // We saw the first non-path separator, mark this as the end of our // path component matchedSlash = false; end = i + 1; } } if (end === -1) return ''; return path.slice(start, end); } // Uses a mixed approach for backwards-compatibility, as ext behavior changed // in new Node.js versions, so only basename() above is backported here exports.basename = function (path, ext) { var f = basename(path); if (ext && f.substr(-1 * ext.length) === ext) { f = f.substr(0, f.length - ext.length); } return f; }; exports.extname = function (path) { if (typeof path !== 'string') path = path + ''; var startDot = -1; var startPart = 0; var end = -1; var matchedSlash = true; // Track the state of characters (if any) we see before our first dot and // after any path separator we find var preDotState = 0; for (var i = path.length - 1; i >= 0; --i) { var code = path.charCodeAt(i); if (code === 47 /*/*/) { // If we reached a path separator that was not part of a set of path // separators at the end of the string, stop now if (!matchedSlash) { startPart = i + 1; break; } continue; } if (end === -1) { // We saw the first non-path separator, mark this as the end of our // extension matchedSlash = false; end = i + 1; } if (code === 46 /*.*/) { // If this is our first dot, mark it as the start of our extension if (startDot === -1) startDot = i; else if (preDotState !== 1) preDotState = 1; } else if (startDot !== -1) { // We saw a non-dot and non-path separator before our dot, so we should // have a good chance at having a non-empty extension preDotState = -1; } } if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot preDotState === 0 || // The (right-most) trimmed path component is exactly '..' preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { return ''; } return path.slice(startDot, end); }; function filter (xs, f) { if (xs.filter) return xs.filter(f); var res = []; for (var i = 0; i < xs.length; i++) { if (f(xs[i], i, xs)) res.push(xs[i]); } return res; } // String.prototype.substr - negative index don't work in IE8 var substr = 'ab'.substr(-1) === 'b' ? function (str, start, len) { return str.substr(start, len) } : function (str, start, len) { if (start < 0) start = str.length + start; return str.substr(start, len); } ; }).call(this,require("g5I+bs")) },{"g5I+bs":53}],53:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; process.nextTick = (function () { var canSetImmediate = typeof window !== 'undefined' && window.setImmediate; var canPost = typeof window !== 'undefined' && window.postMessage && window.addEventListener ; if (canSetImmediate) { return function (f) { return window.setImmediate(f) }; } if (canPost) { var queue = []; window.addEventListener('message', function (ev) { var source = ev.source; if ((source === window || source === null) && ev.data === 'process-tick') { ev.stopPropagation(); if (queue.length > 0) { var fn = queue.shift(); fn(); } } }, true); return function nextTick(fn) { queue.push(fn); window.postMessage('process-tick', '*'); }; } return function nextTick(fn) { setTimeout(fn, 0); }; })(); process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; function noop() {} process.on = noop; process.addListener = noop; process.once = noop; process.off = noop; process.removeListener = noop; process.removeAllListeners = noop; process.emit = noop; process.binding = function (name) { throw new Error('process.binding is not supported'); } // TODO(shtylman) process.cwd = function () { return '/' }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; },{}],54:[function(require,module,exports){ 'use strict'; var $Object = Object; var $TypeError = TypeError; module.exports = function flags() { if (this != null && this !== $Object(this)) { throw new $TypeError('RegExp.prototype.flags getter called on non-object'); } var result = ''; if (this.global) { result += 'g'; } if (this.ignoreCase) { result += 'i'; } if (this.multiline) { result += 'm'; } if (this.dotAll) { result += 's'; } if (this.unicode) { result += 'u'; } if (this.sticky) { result += 'y'; } return result; }; },{}],55:[function(require,module,exports){ 'use strict'; var define = require('define-properties'); var callBind = require('es-abstract/helpers/callBind'); var implementation = require('./implementation'); var getPolyfill = require('./polyfill'); var shim = require('./shim'); var flagsBound = callBind(implementation); define(flagsBound, { getPolyfill: getPolyfill, implementation: implementation, shim: shim }); module.exports = flagsBound; },{"./implementation":54,"./polyfill":56,"./shim":57,"define-properties":7,"es-abstract/helpers/callBind":21}],56:[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); var supportsDescriptors = require('define-properties').supportsDescriptors; var $gOPD = Object.getOwnPropertyDescriptor; var $TypeError = TypeError; module.exports = function getPolyfill() { if (!supportsDescriptors) { throw new $TypeError('RegExp.prototype.flags requires a true ES5 environment that supports property descriptors'); } if ((/a/mig).flags === 'gim') { var descriptor = $gOPD(RegExp.prototype, 'flags'); if (descriptor && typeof descriptor.get === 'function' && typeof (/a/).dotAll === 'boolean') { return descriptor.get; } } return implementation; }; },{"./implementation":54,"define-properties":7}],57:[function(require,module,exports){ 'use strict'; var supportsDescriptors = require('define-properties').supportsDescriptors; var getPolyfill = require('./polyfill'); var gOPD = Object.getOwnPropertyDescriptor; var defineProperty = Object.defineProperty; var TypeErr = TypeError; var getProto = Object.getPrototypeOf; var regex = /a/; module.exports = function shimFlags() { if (!supportsDescriptors || !getProto) { throw new TypeErr('RegExp.prototype.flags requires a true ES5 environment that supports property descriptors'); } var polyfill = getPolyfill(); var proto = getProto(regex); var descriptor = gOPD(proto, 'flags'); if (!descriptor || descriptor.get !== polyfill) { defineProperty(proto, 'flags', { configurable: true, enumerable: false, get: polyfill }); } return polyfill; }; },{"./polyfill":56,"define-properties":7}],58:[function(require,module,exports){ (function (process){ var through = require('through'); var nextTick = typeof setImmediate !== 'undefined' ? setImmediate : process.nextTick ; module.exports = function (write, end) { var tr = through(write, end); tr.pause(); var resume = tr.resume; var pause = tr.pause; var paused = false; tr.pause = function () { paused = true; return pause.apply(this, arguments); }; tr.resume = function () { paused = false; return resume.apply(this, arguments); }; nextTick(function () { if (!paused) tr.resume(); }); return tr; }; }).call(this,require("g5I+bs")) },{"g5I+bs":53,"through":76}],59:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a duplex stream is just a stream that is both readable and writable. // Since JS doesn't have multiple prototypal inheritance, this class // prototypally inherits from Readable, and then parasitically from // Writable. module.exports = Duplex; var inherits = require('inherits'); var setImmediate = require('process/browser.js').nextTick; var Readable = require('./readable.js'); var Writable = require('./writable.js'); inherits(Duplex, Readable); Duplex.prototype.write = Writable.prototype.write; Duplex.prototype.end = Writable.prototype.end; Duplex.prototype._write = Writable.prototype._write; function Duplex(options) { if (!(this instanceof Duplex)) return new Duplex(options); Readable.call(this, options); Writable.call(this, options); if (options && options.readable === false) this.readable = false; if (options && options.writable === false) this.writable = false; this.allowHalfOpen = true; if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; this.once('end', onend); } // the no-half-open enforcer function onend() { // if we allow half-open state, or if the writable side ended, // then we're ok. if (this.allowHalfOpen || this._writableState.ended) return; // no more data can be written. // But allow more writes to happen in this tick. var self = this; setImmediate(function () { self.end(); }); } },{"./readable.js":63,"./writable.js":65,"inherits":40,"process/browser.js":61}],60:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. module.exports = Stream; var EE = require('events').EventEmitter; var inherits = require('inherits'); inherits(Stream, EE); Stream.Readable = require('./readable.js'); Stream.Writable = require('./writable.js'); Stream.Duplex = require('./duplex.js'); Stream.Transform = require('./transform.js'); Stream.PassThrough = require('./passthrough.js'); // Backwards-compat with node 0.4.x Stream.Stream = Stream; // old-style streams. Note that the pipe method (the only relevant // part of this class) is overridden in the Readable class. function Stream() { EE.call(this); } Stream.prototype.pipe = function(dest, options) { var source = this; function ondata(chunk) { if (dest.writable) { if (false === dest.write(chunk) && source.pause) { source.pause(); } } } source.on('data', ondata); function ondrain() { if (source.readable && source.resume) { source.resume(); } } dest.on('drain', ondrain); // If the 'end' option is not supplied, dest.end() will be called when // source gets the 'end' or 'close' events. Only dest.end() once. if (!dest._isStdio && (!options || options.end !== false)) { source.on('end', onend); source.on('close', onclose); } var didOnEnd = false; function onend() { if (didOnEnd) return; didOnEnd = true; dest.end(); } function onclose() { if (didOnEnd) return; didOnEnd = true; if (typeof dest.destroy === 'function') dest.destroy(); } // don't leave dangling pipes when there are errors. function onerror(er) { cleanup(); if (EE.listenerCount(this, 'error') === 0) { throw er; // Unhandled stream error in pipe. } } source.on('error', onerror); dest.on('error', onerror); // remove all the event listeners that were added. function cleanup() { source.removeListener('data', ondata); dest.removeListener('drain', ondrain); source.removeListener('end', onend); source.removeListener('close', onclose); source.removeListener('error', onerror); dest.removeListener('error', onerror); source.removeListener('end', cleanup); source.removeListener('close', cleanup); dest.removeListener('close', cleanup); } source.on('end', cleanup); source.on('close', cleanup); dest.on('close', cleanup); dest.emit('pipe', source); // Allow for unix-like usage: A.pipe(B).pipe(C) return dest; }; },{"./duplex.js":59,"./passthrough.js":62,"./readable.js":63,"./transform.js":64,"./writable.js":65,"events":31,"inherits":40}],61:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; process.nextTick = (function () { var canSetImmediate = typeof window !== 'undefined' && window.setImmediate; var canPost = typeof window !== 'undefined' && window.postMessage && window.addEventListener ; if (canSetImmediate) { return function (f) { return window.setImmediate(f) }; } if (canPost) { var queue = []; window.addEventListener('message', function (ev) { var source = ev.source; if ((source === window || source === null) && ev.data === 'process-tick') { ev.stopPropagation(); if (queue.length > 0) { var fn = queue.shift(); fn(); } } }, true); return function nextTick(fn) { queue.push(fn); window.postMessage('process-tick', '*'); }; } return function nextTick(fn) { setTimeout(fn, 0); }; })(); process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; process.binding = function (name) { throw new Error('process.binding is not supported'); } // TODO(shtylman) process.cwd = function () { return '/' }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; },{}],62:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a passthrough stream. // basically just the most minimal sort of Transform stream. // Every written chunk gets output as-is. module.exports = PassThrough; var Transform = require('./transform.js'); var inherits = require('inherits'); inherits(PassThrough, Transform); function PassThrough(options) { if (!(this instanceof PassThrough)) return new PassThrough(options); Transform.call(this, options); } PassThrough.prototype._transform = function(chunk, encoding, cb) { cb(null, chunk); }; },{"./transform.js":64,"inherits":40}],63:[function(require,module,exports){ (function (process){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. module.exports = Readable; Readable.ReadableState = ReadableState; var EE = require('events').EventEmitter; var Stream = require('./index.js'); var Buffer = require('buffer').Buffer; var setImmediate = require('process/browser.js').nextTick; var StringDecoder; var inherits = require('inherits'); inherits(Readable, Stream); function ReadableState(options, stream) { options = options || {}; // the point at which it stops calling _read() to fill the buffer // Note: 0 is a valid value, means "don't call _read preemptively ever" var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.buffer = []; this.length = 0; this.pipes = null; this.pipesCount = 0; this.flowing = false; this.ended = false; this.endEmitted = false; this.reading = false; // In streams that never have any data, and do push(null) right away, // the consumer can miss the 'end' event if they do some I/O before // consuming the stream. So, we don't emit('end') until some reading // happens. this.calledRead = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // whenever we return null, then we set a flag to say // that we're awaiting a 'readable' event emission. this.needReadable = false; this.emittedReadable = false; this.readableListening = false; // object stream flag. Used to make read(n) ignore n and to // make all the buffer merging and length checks go away this.objectMode = !!options.objectMode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // when piping, we only care about 'readable' events that happen // after read()ing all the bytes and not getting any pushback. this.ranOut = false; // the number of writers that are awaiting a drain event in .pipe()s this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled this.readingMore = false; this.decoder = null; this.encoding = null; if (options.encoding) { if (!StringDecoder) StringDecoder = require('string_decoder').StringDecoder; this.decoder = new StringDecoder(options.encoding); this.encoding = options.encoding; } } function Readable(options) { if (!(this instanceof Readable)) return new Readable(options); this._readableState = new ReadableState(options, this); // legacy this.readable = true; Stream.call(this); } // Manually shove something into the read() buffer. // This returns true if the highWaterMark has not been hit yet, // similar to how Writable.write() returns true if you should // write() some more. Readable.prototype.push = function(chunk, encoding) { var state = this._readableState; if (typeof chunk === 'string' && !state.objectMode) { encoding = encoding || state.defaultEncoding; if (encoding !== state.encoding) { chunk = new Buffer(chunk, encoding); encoding = ''; } } return readableAddChunk(this, state, chunk, encoding, false); }; // Unshift should *always* be something directly out of read() Readable.prototype.unshift = function(chunk) { var state = this._readableState; return readableAddChunk(this, state, chunk, '', true); }; function readableAddChunk(stream, state, chunk, encoding, addToFront) { var er = chunkInvalid(state, chunk); if (er) { stream.emit('error', er); } else if (chunk === null || chunk === undefined) { state.reading = false; if (!state.ended) onEofChunk(stream, state); } else if (state.objectMode || chunk && chunk.length > 0) { if (state.ended && !addToFront) { var e = new Error('stream.push() after EOF'); stream.emit('error', e); } else if (state.endEmitted && addToFront) { var e = new Error('stream.unshift() after end event'); stream.emit('error', e); } else { if (state.decoder && !addToFront && !encoding) chunk = state.decoder.write(chunk); // update the buffer info. state.length += state.objectMode ? 1 : chunk.length; if (addToFront) { state.buffer.unshift(chunk); } else { state.reading = false; state.buffer.push(chunk); } if (state.needReadable) emitReadable(stream); maybeReadMore(stream, state); } } else if (!addToFront) { state.reading = false; } return needMoreData(state); } // if it's past the high water mark, we can push in some more. // Also, if we have no data yet, we can stand some // more bytes. This is to work around cases where hwm=0, // such as the repl. Also, if the push() triggered a // readable event, and the user called read(largeNumber) such that // needReadable was set, then we ought to push more, so that another // 'readable' event will be triggered. function needMoreData(state) { return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); } // backwards compatibility. Readable.prototype.setEncoding = function(enc) { if (!StringDecoder) StringDecoder = require('string_decoder').StringDecoder; this._readableState.decoder = new StringDecoder(enc); this._readableState.encoding = enc; }; // Don't raise the hwm > 128MB var MAX_HWM = 0x800000; function roundUpToNextPowerOf2(n) { if (n >= MAX_HWM) { n = MAX_HWM; } else { // Get the next highest power of 2 n--; for (var p = 1; p < 32; p <<= 1) n |= n >> p; n++; } return n; } function howMuchToRead(n, state) { if (state.length === 0 && state.ended) return 0; if (state.objectMode) return n === 0 ? 0 : 1; if (isNaN(n) || n === null) { // only flow one buffer at a time if (state.flowing && state.buffer.length) return state.buffer[0].length; else return state.length; } if (n <= 0) return 0; // If we're asking for more than the target buffer level, // then raise the water mark. Bump up to the next highest // power of 2, to prevent increasing it excessively in tiny // amounts. if (n > state.highWaterMark) state.highWaterMark = roundUpToNextPowerOf2(n); // don't have that much. return null, unless we've ended. if (n > state.length) { if (!state.ended) { state.needReadable = true; return 0; } else return state.length; } return n; } // you can override either this method, or the async _read(n) below. Readable.prototype.read = function(n) { var state = this._readableState; state.calledRead = true; var nOrig = n; if (typeof n !== 'number' || n > 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we // already have a bunch of data in the buffer, then just trigger // the 'readable' event and move on. if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { emitReadable(this); return null; } n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up. if (n === 0 && state.ended) { if (state.length === 0) endReadable(this); return null; } // All the actual chunk generation logic needs to be // *below* the call to _read. The reason is that in certain // synthetic stream cases, such as passthrough streams, _read // may be a completely synchronous operation which may change // the state of the read buffer, providing enough data when // before there was *not* enough. // // So, the steps are: // 1. Figure out what the state of things will be after we do // a read from the buffer. // // 2. If that resulting state will trigger a _read, then call _read. // Note that this may be asynchronous, or synchronous. Yes, it is // deeply ugly to write APIs this way, but that still doesn't mean // that the Readable class should behave improperly, as streams are // designed to be sync/async agnostic. // Take note if the _read call is sync or async (ie, if the read call // has returned yet), so that we know whether or not it's safe to emit // 'readable' etc. // // 3. Actually pull the requested chunks out of the buffer and return. // if we need a readable event, then we need to do some reading. var doRead = state.needReadable; // if we currently have less than the highWaterMark, then also read some if (state.length - n <= state.highWaterMark) doRead = true; // however, if we've ended, then there's no point, and if we're already // reading, then it's unnecessary. if (state.ended || state.reading) doRead = false; if (doRead) { state.reading = true; state.sync = true; // if the length is currently zero, then we *need* a readable event. if (state.length === 0) state.needReadable = true; // call internal read method this._read(state.highWaterMark); state.sync = false; } // If _read called its callback synchronously, then `reading` // will be false, and we need to re-evaluate how much data we // can return to the user. if (doRead && !state.reading) n = howMuchToRead(nOrig, state); var ret; if (n > 0) ret = fromList(n, state); else ret = null; if (ret === null) { state.needReadable = true; n = 0; } state.length -= n; // If we have nothing in the buffer, then we want to know // as soon as we *do* get something into the buffer. if (state.length === 0 && !state.ended) state.needReadable = true; // If we happened to read() exactly the remaining amount in the // buffer, and the EOF has been seen at this point, then make sure // that we emit 'end' on the very next tick. if (state.ended && !state.endEmitted && state.length === 0) endReadable(this); return ret; }; function chunkInvalid(state, chunk) { var er = null; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode && !er) { er = new TypeError('Invalid non-string/buffer chunk'); } return er; } function onEofChunk(stream, state) { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) { state.buffer.push(chunk); state.length += state.objectMode ? 1 : chunk.length; } } state.ended = true; // if we've ended and we have some data left, then emit // 'readable' now to make sure it gets picked up. if (state.length > 0) emitReadable(stream); else endReadable(stream); } // Don't emit readable right away in sync mode, because this can trigger // another read() call => stack overflow. This way, it might trigger // a nextTick recursion warning, but that's not so bad. function emitReadable(stream) { var state = stream._readableState; state.needReadable = false; if (state.emittedReadable) return; state.emittedReadable = true; if (state.sync) setImmediate(function() { emitReadable_(stream); }); else emitReadable_(stream); } function emitReadable_(stream) { stream.emit('readable'); } // at this point, the user has presumably seen the 'readable' event, // and called read() to consume some data. that may have triggered // in turn another _read(n) call, in which case reading = true if // it's in progress. // However, if we're not ended, or reading, and the length < hwm, // then go ahead and try to read some more preemptively. function maybeReadMore(stream, state) { if (!state.readingMore) { state.readingMore = true; setImmediate(function() { maybeReadMore_(stream, state); }); } } function maybeReadMore_(stream, state) { var len = state.length; while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { stream.read(0); if (len === state.length) // didn't get any data, stop spinning. break; else len = state.length; } state.readingMore = false; } // abstract method. to be overridden in specific implementation classes. // call cb(er, data) where data is <= n in length. // for virtual (non-string, non-buffer) streams, "length" is somewhat // arbitrary, and perhaps not very meaningful. Readable.prototype._read = function(n) { this.emit('error', new Error('not implemented')); }; Readable.prototype.pipe = function(dest, pipeOpts) { var src = this; var state = this._readableState; switch (state.pipesCount) { case 0: state.pipes = dest; break; case 1: state.pipes = [state.pipes, dest]; break; default: state.pipes.push(dest); break; } state.pipesCount += 1; var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; var endFn = doEnd ? onend : cleanup; if (state.endEmitted) setImmediate(endFn); else src.once('end', endFn); dest.on('unpipe', onunpipe); function onunpipe(readable) { if (readable !== src) return; cleanup(); } function onend() { dest.end(); } // when the dest drains, it reduces the awaitDrain counter // on the source. This would be more elegant with a .once() // handler in flow(), but adding and removing repeatedly is // too slow. var ondrain = pipeOnDrain(src); dest.on('drain', ondrain); function cleanup() { // cleanup event handlers once the pipe is broken dest.removeListener('close', onclose); dest.removeListener('finish', onfinish); dest.removeListener('drain', ondrain); dest.removeListener('error', onerror); dest.removeListener('unpipe', onunpipe); src.removeListener('end', onend); src.removeListener('end', cleanup); // if the reader is waiting for a drain event from this // specific writer, then it would cause it to never start // flowing again. // So, if this is awaiting a drain, then we just call it now. // If we don't know, then assume that we are waiting for one. if (!dest._writableState || dest._writableState.needDrain) ondrain(); } // if the dest has an error, then stop piping into it. // however, don't suppress the throwing behavior for this. // check for listeners before emit removes one-time listeners. var errListeners = EE.listenerCount(dest, 'error'); function onerror(er) { unpipe(); if (errListeners === 0 && EE.listenerCount(dest, 'error') === 0) dest.emit('error', er); } dest.once('error', onerror); // Both close and finish should trigger unpipe, but only once. function onclose() { dest.removeListener('finish', onfinish); unpipe(); } dest.once('close', onclose); function onfinish() { dest.removeListener('close', onclose); unpipe(); } dest.once('finish', onfinish); function unpipe() { src.unpipe(dest); } // tell the dest that it's being piped to dest.emit('pipe', src); // start the flow if it hasn't been started already. if (!state.flowing) { // the handler that waits for readable events after all // the data gets sucked out in flow. // This would be easier to follow with a .once() handler // in flow(), but that is too slow. this.on('readable', pipeOnReadable); state.flowing = true; setImmediate(function() { flow(src); }); } return dest; }; function pipeOnDrain(src) { return function() { var dest = this; var state = src._readableState; state.awaitDrain--; if (state.awaitDrain === 0) flow(src); }; } function flow(src) { var state = src._readableState; var chunk; state.awaitDrain = 0; function write(dest, i, list) { var written = dest.write(chunk); if (false === written) { state.awaitDrain++; } } while (state.pipesCount && null !== (chunk = src.read())) { if (state.pipesCount === 1) write(state.pipes, 0, null); else forEach(state.pipes, write); src.emit('data', chunk); // if anyone needs a drain, then we have to wait for that. if (state.awaitDrain > 0) return; } // if every destination was unpiped, either before entering this // function, or in the while loop, then stop flowing. // // NB: This is a pretty rare edge case. if (state.pipesCount === 0) { state.flowing = false; // if there were data event listeners added, then switch to old mode. if (EE.listenerCount(src, 'data') > 0) emitDataEvents(src); return; } // at this point, no one needed a drain, so we just ran out of data // on the next readable event, start it over again. state.ranOut = true; } function pipeOnReadable() { if (this._readableState.ranOut) { this._readableState.ranOut = false; flow(this); } } Readable.prototype.unpipe = function(dest) { var state = this._readableState; // if we're not piping anywhere, then do nothing. if (state.pipesCount === 0) return this; // just one destination. most common case. if (state.pipesCount === 1) { // passed in one, but it's not the right one. if (dest && dest !== state.pipes) return this; if (!dest) dest = state.pipes; // got a match. state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; if (dest) dest.emit('unpipe', this); return this; } // slow case. multiple pipe destinations. if (!dest) { // remove all. var dests = state.pipes; var len = state.pipesCount; state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; for (var i = 0; i < len; i++) dests[i].emit('unpipe', this); return this; } // try to find the right one. var i = indexOf(state.pipes, dest); if (i === -1) return this; state.pipes.splice(i, 1); state.pipesCount -= 1; if (state.pipesCount === 1) state.pipes = state.pipes[0]; dest.emit('unpipe', this); return this; }; // set up data events if they are asked for // Ensure readable listeners eventually get something Readable.prototype.on = function(ev, fn) { var res = Stream.prototype.on.call(this, ev, fn); if (ev === 'data' && !this._readableState.flowing) emitDataEvents(this); if (ev === 'readable' && this.readable) { var state = this._readableState; if (!state.readableListening) { state.readableListening = true; state.emittedReadable = false; state.needReadable = true; if (!state.reading) { this.read(0); } else if (state.length) { emitReadable(this, state); } } } return res; }; Readable.prototype.addListener = Readable.prototype.on; // pause() and resume() are remnants of the legacy readable stream API // If the user uses them, then switch into old mode. Readable.prototype.resume = function() { emitDataEvents(this); this.read(0); this.emit('resume'); }; Readable.prototype.pause = function() { emitDataEvents(this, true); this.emit('pause'); }; function emitDataEvents(stream, startPaused) { var state = stream._readableState; if (state.flowing) { // https://github.com/isaacs/readable-stream/issues/16 throw new Error('Cannot switch to old mode now.'); } var paused = startPaused || false; var readable = false; // convert to an old-style stream. stream.readable = true; stream.pipe = Stream.prototype.pipe; stream.on = stream.addListener = Stream.prototype.on; stream.on('readable', function() { readable = true; var c; while (!paused && (null !== (c = stream.read()))) stream.emit('data', c); if (c === null) { readable = false; stream._readableState.needReadable = true; } }); stream.pause = function() { paused = true; this.emit('pause'); }; stream.resume = function() { paused = false; if (readable) setImmediate(function() { stream.emit('readable'); }); else this.read(0); this.emit('resume'); }; // now make it start, just in case it hadn't already. stream.emit('readable'); } // wrap an old-style stream as the async data source. // This is *not* part of the readable stream interface. // It is an ugly unfortunate mess of history. Readable.prototype.wrap = function(stream) { var state = this._readableState; var paused = false; var self = this; stream.on('end', function() { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) self.push(chunk); } self.push(null); }); stream.on('data', function(chunk) { if (state.decoder) chunk = state.decoder.write(chunk); if (!chunk || !state.objectMode && !chunk.length) return; var ret = self.push(chunk); if (!ret) { paused = true; stream.pause(); } }); // proxy all the other methods. // important when wrapping filters and duplexes. for (var i in stream) { if (typeof stream[i] === 'function' && typeof this[i] === 'undefined') { this[i] = function(method) { return function() { return stream[method].apply(stream, arguments); }}(i); } } // proxy certain important events. var events = ['error', 'close', 'destroy', 'pause', 'resume']; forEach(events, function(ev) { stream.on(ev, function (x) { return self.emit.apply(self, ev, x); }); }); // when we try to consume some more bytes, simply unpause the // underlying stream. self._read = function(n) { if (paused) { paused = false; stream.resume(); } }; return self; }; // exposed for testing purposes only. Readable._fromList = fromList; // Pluck off n bytes from an array of buffers. // Length is the combined lengths of all the buffers in the list. function fromList(n, state) { var list = state.buffer; var length = state.length; var stringMode = !!state.decoder; var objectMode = !!state.objectMode; var ret; // nothing in the list, definitely empty. if (list.length === 0) return null; if (length === 0) ret = null; else if (objectMode) ret = list.shift(); else if (!n || n >= length) { // read it all, truncate the array. if (stringMode) ret = list.join(''); else ret = Buffer.concat(list, length); list.length = 0; } else { // read just some of it. if (n < list[0].length) { // just take a part of the first list item. // slice is the same for buffers and strings. var buf = list[0]; ret = buf.slice(0, n); list[0] = buf.slice(n); } else if (n === list[0].length) { // first list is a perfect match ret = list.shift(); } else { // complex case. // we have enough to cover it, but it spans past the first buffer. if (stringMode) ret = ''; else ret = new Buffer(n); var c = 0; for (var i = 0, l = list.length; i < l && c < n; i++) { var buf = list[0]; var cpy = Math.min(n - c, buf.length); if (stringMode) ret += buf.slice(0, cpy); else buf.copy(ret, c, 0, cpy); if (cpy < buf.length) list[0] = buf.slice(cpy); else list.shift(); c += cpy; } } } return ret; } function endReadable(stream) { var state = stream._readableState; // If we get here before consuming all the bytes, then that is a // bug in node. Should never happen. if (state.length > 0) throw new Error('endReadable called on non-empty stream'); if (!state.endEmitted && state.calledRead) { state.ended = true; setImmediate(function() { // Check that we didn't get one last unshift. if (!state.endEmitted && state.length === 0) { state.endEmitted = true; stream.readable = false; stream.emit('end'); } }); } } function forEach (xs, f) { for (var i = 0, l = xs.length; i < l; i++) { f(xs[i], i); } } function indexOf (xs, x) { for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) return i; } return -1; } }).call(this,require("g5I+bs")) },{"./index.js":60,"buffer":5,"events":31,"g5I+bs":53,"inherits":40,"process/browser.js":61,"string_decoder":70}],64:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a transform stream is a readable/writable stream where you do // something with the data. Sometimes it's called a "filter", // but that's not a great name for it, since that implies a thing where // some bits pass through, and others are simply ignored. (That would // be a valid example of a transform, of course.) // // While the output is causally related to the input, it's not a // necessarily symmetric or synchronous transformation. For example, // a zlib stream might take multiple plain-text writes(), and then // emit a single compressed chunk some time in the future. // // Here's how this works: // // The Transform stream has all the aspects of the readable and writable // stream classes. When you write(chunk), that calls _write(chunk,cb) // internally, and returns false if there's a lot of pending writes // buffered up. When you call read(), that calls _read(n) until // there's enough pending readable data buffered up. // // In a transform stream, the written data is placed in a buffer. When // _read(n) is called, it transforms the queued up data, calling the // buffered _write cb's as it consumes chunks. If consuming a single // written chunk would result in multiple output chunks, then the first // outputted bit calls the readcb, and subsequent chunks just go into // the read buffer, and will cause it to emit 'readable' if necessary. // // This way, back-pressure is actually determined by the reading side, // since _read has to be called to start processing a new chunk. However, // a pathological inflate type of transform can cause excessive buffering // here. For example, imagine a stream where every byte of input is // interpreted as an integer from 0-255, and then results in that many // bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in // 1kb of data being output. In this case, you could write a very small // amount of input, and end up with a very large amount of output. In // such a pathological inflating mechanism, there'd be no way to tell // the system to stop doing the transform. A single 4MB write could // cause the system to run out of memory. // // However, even in such a pathological case, only a single written chunk // would be consumed, and then the rest would wait (un-transformed) until // the results of the previous transformed chunk were consumed. module.exports = Transform; var Duplex = require('./duplex.js'); var inherits = require('inherits'); inherits(Transform, Duplex); function TransformState(options, stream) { this.afterTransform = function(er, data) { return afterTransform(stream, er, data); }; this.needTransform = false; this.transforming = false; this.writecb = null; this.writechunk = null; } function afterTransform(stream, er, data) { var ts = stream._transformState; ts.transforming = false; var cb = ts.writecb; if (!cb) return stream.emit('error', new Error('no writecb in Transform class')); ts.writechunk = null; ts.writecb = null; if (data !== null && data !== undefined) stream.push(data); if (cb) cb(er); var rs = stream._readableState; rs.reading = false; if (rs.needReadable || rs.length < rs.highWaterMark) { stream._read(rs.highWaterMark); } } function Transform(options) { if (!(this instanceof Transform)) return new Transform(options); Duplex.call(this, options); var ts = this._transformState = new TransformState(options, this); // when the writable side finishes, then flush out anything remaining. var stream = this; // start out asking for a readable event once data is transformed. this._readableState.needReadable = true; // we have implemented the _read method, and done the other things // that Readable wants before the first _read call, so unset the // sync guard flag. this._readableState.sync = false; this.once('finish', function() { if ('function' === typeof this._flush) this._flush(function(er) { done(stream, er); }); else done(stream); }); } Transform.prototype.push = function(chunk, encoding) { this._transformState.needTransform = false; return Duplex.prototype.push.call(this, chunk, encoding); }; // This is the part where you do stuff! // override this function in implementation classes. // 'chunk' is an input chunk. // // Call `push(newChunk)` to pass along transformed output // to the readable side. You may call 'push' zero or more times. // // Call `cb(err)` when you are done with this chunk. If you pass // an error, then that'll put the hurt on the whole operation. If you // never call cb(), then you'll never get another chunk. Transform.prototype._transform = function(chunk, encoding, cb) { throw new Error('not implemented'); }; Transform.prototype._write = function(chunk, encoding, cb) { var ts = this._transformState; ts.writecb = cb; ts.writechunk = chunk; ts.writeencoding = encoding; if (!ts.transforming) { var rs = this._readableState; if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); } }; // Doesn't matter what the args are here. // _transform does all the work. // That we got here means that the readable side wants more data. Transform.prototype._read = function(n) { var ts = this._transformState; if (ts.writechunk && ts.writecb && !ts.transforming) { ts.transforming = true; this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); } else { // mark that we need a transform, so that any data that comes in // will get processed, now that we've asked for it. ts.needTransform = true; } }; function done(stream, er) { if (er) return stream.emit('error', er); // if there's nothing in the write buffer, then that means // that nothing more will ever be provided var ws = stream._writableState; var rs = stream._readableState; var ts = stream._transformState; if (ws.length) throw new Error('calling transform done when ws.length != 0'); if (ts.transforming) throw new Error('calling transform done when still transforming'); return stream.push(null); } },{"./duplex.js":59,"inherits":40}],65:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // A bit simpler than readable streams. // Implement an async ._write(chunk, cb), and it'll handle all // the drain event emission and buffering. module.exports = Writable; Writable.WritableState = WritableState; var isUint8Array = typeof Uint8Array !== 'undefined' ? function (x) { return x instanceof Uint8Array } : function (x) { return x && x.constructor && x.constructor.name === 'Uint8Array' } ; var isArrayBuffer = typeof ArrayBuffer !== 'undefined' ? function (x) { return x instanceof ArrayBuffer } : function (x) { return x && x.constructor && x.constructor.name === 'ArrayBuffer' } ; var inherits = require('inherits'); var Stream = require('./index.js'); var setImmediate = require('process/browser.js').nextTick; var Buffer = require('buffer').Buffer; inherits(Writable, Stream); function WriteReq(chunk, encoding, cb) { this.chunk = chunk; this.encoding = encoding; this.callback = cb; } function WritableState(options, stream) { options = options || {}; // the point at which write() starts returning false // Note: 0 is a valid value, means that we always return false if // the entire buffer is not flushed immediately on write() var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // object stream flag to indicate whether or not this stream // contains buffers or objects. this.objectMode = !!options.objectMode; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.needDrain = false; // at the start of calling end() this.ending = false; // when end() has been called, and returned this.ended = false; // when 'finish' is emitted this.finished = false; // should we decode strings into buffers before passing to _write? // this is here so that some node-core streams can optimize string // handling at a lower level. var noDecode = options.decodeStrings === false; this.decodeStrings = !noDecode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement // of how much we're waiting to get pushed to some underlying // socket or file. this.length = 0; // a flag to see when we're in the middle of a write. this.writing = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // a flag to know if we're processing previously buffered items, which // may call the _write() callback in the same tick, so that we don't // end up in an overlapped onwrite situation. this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb) this.onwrite = function(er) { onwrite(stream, er); }; // the callback that the user supplies to write(chunk,encoding,cb) this.writecb = null; // the amount that is being written when _write is called. this.writelen = 0; this.buffer = []; } function Writable(options) { // Writable ctor is applied to Duplexes, though they're not // instanceof Writable, they're instanceof Readable. if (!(this instanceof Writable) && !(this instanceof Stream.Duplex)) return new Writable(options); this._writableState = new WritableState(options, this); // legacy. this.writable = true; Stream.call(this); } // Otherwise people can pipe Writable streams, which is just wrong. Writable.prototype.pipe = function() { this.emit('error', new Error('Cannot pipe. Not readable.')); }; function writeAfterEnd(stream, state, cb) { var er = new Error('write after end'); // TODO: defer error events consistently everywhere, not just the cb stream.emit('error', er); setImmediate(function() { cb(er); }); } // If we get something that is not a buffer, string, null, or undefined, // and we're not in objectMode, then that's an error. // Otherwise stream chunks are all considered to be of length=1, and the // watermarks determine how many objects to keep in the buffer, rather than // how many bytes or characters. function validChunk(stream, state, chunk, cb) { var valid = true; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode) { var er = new TypeError('Invalid non-string/buffer chunk'); stream.emit('error', er); setImmediate(function() { cb(er); }); valid = false; } return valid; } Writable.prototype.write = function(chunk, encoding, cb) { var state = this._writableState; var ret = false; if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (!Buffer.isBuffer(chunk) && isUint8Array(chunk)) chunk = new Buffer(chunk); if (isArrayBuffer(chunk) && typeof Uint8Array !== 'undefined') chunk = new Buffer(new Uint8Array(chunk)); if (Buffer.isBuffer(chunk)) encoding = 'buffer'; else if (!encoding) encoding = state.defaultEncoding; if (typeof cb !== 'function') cb = function() {}; if (state.ended) writeAfterEnd(this, state, cb); else if (validChunk(this, state, chunk, cb)) ret = writeOrBuffer(this, state, chunk, encoding, cb); return ret; }; function decodeChunk(state, chunk, encoding) { if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { chunk = new Buffer(chunk, encoding); } return chunk; } // if we're already writing something, then just put this // in the queue, and wait our turn. Otherwise, call _write // If we return false, then we need a drain event, so set that flag. function writeOrBuffer(stream, state, chunk, encoding, cb) { chunk = decodeChunk(state, chunk, encoding); var len = state.objectMode ? 1 : chunk.length; state.length += len; var ret = state.length < state.highWaterMark; state.needDrain = !ret; if (state.writing) state.buffer.push(new WriteReq(chunk, encoding, cb)); else doWrite(stream, state, len, chunk, encoding, cb); return ret; } function doWrite(stream, state, len, chunk, encoding, cb) { state.writelen = len; state.writecb = cb; state.writing = true; state.sync = true; stream._write(chunk, encoding, state.onwrite); state.sync = false; } function onwriteError(stream, state, sync, er, cb) { if (sync) setImmediate(function() { cb(er); }); else cb(er); stream.emit('error', er); } function onwriteStateUpdate(state) { state.writing = false; state.writecb = null; state.length -= state.writelen; state.writelen = 0; } function onwrite(stream, er) { var state = stream._writableState; var sync = state.sync; var cb = state.writecb; onwriteStateUpdate(state); if (er) onwriteError(stream, state, sync, er, cb); else { // Check if we're actually ready to finish, but don't emit yet var finished = needFinish(stream, state); if (!finished && !state.bufferProcessing && state.buffer.length) clearBuffer(stream, state); if (sync) { setImmediate(function() { afterWrite(stream, state, finished, cb); }); } else { afterWrite(stream, state, finished, cb); } } } function afterWrite(stream, state, finished, cb) { if (!finished) onwriteDrain(stream, state); cb(); if (finished) finishMaybe(stream, state); } // Must force callback to be called on nextTick, so that we don't // emit 'drain' before the write() consumer gets the 'false' return // value, and has a chance to attach a 'drain' listener. function onwriteDrain(stream, state) { if (state.length === 0 && state.needDrain) { state.needDrain = false; stream.emit('drain'); } } // if there's something in the buffer waiting, then process it function clearBuffer(stream, state) { state.bufferProcessing = true; for (var c = 0; c < state.buffer.length; c++) { var entry = state.buffer[c]; var chunk = entry.chunk; var encoding = entry.encoding; var cb = entry.callback; var len = state.objectMode ? 1 : chunk.length; doWrite(stream, state, len, chunk, encoding, cb); // if we didn't call the onwrite immediately, then // it means that we need to wait until it does. // also, that means that the chunk and cb are currently // being processed, so move the buffer counter past them. if (state.writing) { c++; break; } } state.bufferProcessing = false; if (c < state.buffer.length) state.buffer = state.buffer.slice(c); else state.buffer.length = 0; } Writable.prototype._write = function(chunk, encoding, cb) { cb(new Error('not implemented')); }; Writable.prototype.end = function(chunk, encoding, cb) { var state = this._writableState; if (typeof chunk === 'function') { cb = chunk; chunk = null; encoding = null; } else if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (typeof chunk !== 'undefined' && chunk !== null) this.write(chunk, encoding); // ignore unnecessary end() calls. if (!state.ending && !state.finished) endWritable(this, state, cb); }; function needFinish(stream, state) { return (state.ending && state.length === 0 && !state.finished && !state.writing); } function finishMaybe(stream, state) { var need = needFinish(stream, state); if (need) { state.finished = true; stream.emit('finish'); } return need; } function endWritable(stream, state, cb) { state.ending = true; finishMaybe(stream, state); if (cb) { if (state.finished) setImmediate(cb); else stream.once('finish', cb); } state.ended = true; } },{"./index.js":60,"buffer":5,"inherits":40,"process/browser.js":61}],66:[function(require,module,exports){ 'use strict'; var CheckObjectCoercible = require('es-abstract/5/CheckObjectCoercible'); var ToString = require('es-abstract/2019/ToString'); var callBound = require('es-abstract/helpers/callBound'); var $replace = callBound('String.prototype.replace'); /* eslint-disable no-control-regex */ var leftWhitespace = /^[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]+/; var rightWhitespace = /[\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF]+$/; /* eslint-enable no-control-regex */ module.exports = function trim() { var S = ToString(CheckObjectCoercible(this)); return $replace($replace(S, leftWhitespace, ''), rightWhitespace, ''); }; },{"es-abstract/2019/ToString":16,"es-abstract/5/CheckObjectCoercible":17,"es-abstract/helpers/callBound":22}],67:[function(require,module,exports){ 'use strict'; var callBind = require('es-abstract/helpers/callBind'); var define = require('define-properties'); var implementation = require('./implementation'); var getPolyfill = require('./polyfill'); var shim = require('./shim'); var boundTrim = callBind(getPolyfill()); define(boundTrim, { getPolyfill: getPolyfill, implementation: implementation, shim: shim }); module.exports = boundTrim; },{"./implementation":66,"./polyfill":68,"./shim":69,"define-properties":7,"es-abstract/helpers/callBind":21}],68:[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); var zeroWidthSpace = '\u200b'; module.exports = function getPolyfill() { if (String.prototype.trim && zeroWidthSpace.trim() === zeroWidthSpace) { return String.prototype.trim; } return implementation; }; },{"./implementation":66}],69:[function(require,module,exports){ 'use strict'; var define = require('define-properties'); var getPolyfill = require('./polyfill'); module.exports = function shimStringTrim() { var polyfill = getPolyfill(); define(String.prototype, { trim: polyfill }, { trim: function testTrim() { return String.prototype.trim !== polyfill; } }); return polyfill; }; },{"./polyfill":68,"define-properties":7}],70:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var Buffer = require('buffer').Buffer; function assertEncoding(encoding) { if (encoding && !Buffer.isEncoding(encoding)) { throw new Error('Unknown encoding: ' + encoding); } } var StringDecoder = exports.StringDecoder = function(encoding) { this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, ''); assertEncoding(encoding); switch (this.encoding) { case 'utf8': // CESU-8 represents each of Surrogate Pair by 3-bytes this.surrogateSize = 3; break; case 'ucs2': case 'utf16le': // UTF-16 represents each of Surrogate Pair by 2-bytes this.surrogateSize = 2; this.detectIncompleteChar = utf16DetectIncompleteChar; break; case 'base64': // Base-64 stores 3 bytes in 4 chars, and pads the remainder. this.surrogateSize = 3; this.detectIncompleteChar = base64DetectIncompleteChar; break; default: this.write = passThroughWrite; return; } this.charBuffer = new Buffer(6); this.charReceived = 0; this.charLength = 0; }; StringDecoder.prototype.write = function(buffer) { var charStr = ''; var offset = 0; // if our last write ended with an incomplete multibyte character while (this.charLength) { // determine how many remaining bytes this buffer has to offer for this char var i = (buffer.length >= this.charLength - this.charReceived) ? this.charLength - this.charReceived : buffer.length; // add the new bytes to the char buffer buffer.copy(this.charBuffer, this.charReceived, offset, i); this.charReceived += (i - offset); offset = i; if (this.charReceived < this.charLength) { // still not enough chars in this buffer? wait for more ... return ''; } // get the character that was split charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); // lead surrogate (D800-DBFF) is also the incomplete character var charCode = charStr.charCodeAt(charStr.length - 1); if (charCode >= 0xD800 && charCode <= 0xDBFF) { this.charLength += this.surrogateSize; charStr = ''; continue; } this.charReceived = this.charLength = 0; // if there are no more bytes in this buffer, just emit our char if (i == buffer.length) return charStr; // otherwise cut off the characters end from the beginning of this buffer buffer = buffer.slice(i, buffer.length); break; } var lenIncomplete = this.detectIncompleteChar(buffer); var end = buffer.length; if (this.charLength) { // buffer the incomplete character bytes we got buffer.copy(this.charBuffer, 0, buffer.length - lenIncomplete, end); this.charReceived = lenIncomplete; end -= lenIncomplete; } charStr += buffer.toString(this.encoding, 0, end); var end = charStr.length - 1; var charCode = charStr.charCodeAt(end); // lead surrogate (D800-DBFF) is also the incomplete character if (charCode >= 0xD800 && charCode <= 0xDBFF) { var size = this.surrogateSize; this.charLength += size; this.charReceived += size; this.charBuffer.copy(this.charBuffer, size, 0, size); this.charBuffer.write(charStr.charAt(charStr.length - 1), this.encoding); return charStr.substring(0, end); } // or just emit the charStr return charStr; }; StringDecoder.prototype.detectIncompleteChar = function(buffer) { // determine how many bytes we have to check at the end of this buffer var i = (buffer.length >= 3) ? 3 : buffer.length; // Figure out if one of the last i bytes of our buffer announces an // incomplete char. for (; i > 0; i--) { var c = buffer[buffer.length - i]; // See http://en.wikipedia.org/wiki/UTF-8#Description // 110XXXXX if (i == 1 && c >> 5 == 0x06) { this.charLength = 2; break; } // 1110XXXX if (i <= 2 && c >> 4 == 0x0E) { this.charLength = 3; break; } // 11110XXX if (i <= 3 && c >> 3 == 0x1E) { this.charLength = 4; break; } } return i; }; StringDecoder.prototype.end = function(buffer) { var res = ''; if (buffer && buffer.length) res = this.write(buffer); if (this.charReceived) { var cr = this.charReceived; var buf = this.charBuffer; var enc = this.encoding; res += buf.slice(0, cr).toString(enc); } return res; }; function passThroughWrite(buffer) { return buffer.toString(this.encoding); } function utf16DetectIncompleteChar(buffer) { var incomplete = this.charReceived = buffer.length % 2; this.charLength = incomplete ? 2 : 0; return incomplete; } function base64DetectIncompleteChar(buffer) { var incomplete = this.charReceived = buffer.length % 3; this.charLength = incomplete ? 3 : 0; return incomplete; } },{"buffer":5}],71:[function(require,module,exports){ (function (process){ var defined = require('defined'); var createDefaultStream = require('./lib/default_stream'); var Test = require('./lib/test'); var createResult = require('./lib/results'); var through = require('through'); var canEmitExit = typeof process !== 'undefined' && process && typeof process.on === 'function' && process.browser !== true ; var canExit = typeof process !== 'undefined' && process && typeof process.exit === 'function' ; var nextTick = typeof setImmediate !== 'undefined' ? setImmediate : process.nextTick ; exports = module.exports = (function () { var harness; var lazyLoad = function () { return getHarness().apply(this, arguments); }; lazyLoad.only = function () { return getHarness().only.apply(this, arguments); }; lazyLoad.createStream = function (opts) { if (!opts) opts = {}; if (!harness) { var output = through(); getHarness({ stream: output, objectMode: opts.objectMode }); return output; } return harness.createStream(opts); }; lazyLoad.onFinish = function () { return getHarness().onFinish.apply(this, arguments); }; lazyLoad.onFailure = function () { return getHarness().onFailure.apply(this, arguments); }; lazyLoad.getHarness = getHarness; return lazyLoad; function getHarness(opts) { if (!opts) opts = {}; opts.autoclose = !canEmitExit; if (!harness) harness = createExitHarness(opts); return harness; } })(); function createExitHarness(conf) { if (!conf) conf = {}; var harness = createHarness({ autoclose: defined(conf.autoclose, false) }); var stream = harness.createStream({ objectMode: conf.objectMode }); var es = stream.pipe(conf.stream || createDefaultStream()); if (canEmitExit) { es.on('error', function (err) { harness._exitCode = 1; }); } var ended = false; stream.on('end', function () { ended = true; }); if (conf.exit === false) return harness; if (!canEmitExit || !canExit) return harness; process.on('exit', function (code) { // let the process exit cleanly. if (code !== 0) { return; } if (!ended) { var only = harness._results._only; for (var i = 0; i < harness._tests.length; i++) { var t = harness._tests[i]; if (only && t !== only) continue; t._exit(); } } harness.close(); process.exit(code || harness._exitCode); }); return harness; } exports.createHarness = createHarness; exports.Test = Test; exports.test = exports; // tap compat exports.test.skip = Test.skip; var exitInterval; function createHarness(conf_) { if (!conf_) conf_ = {}; var results = createResult(); if (conf_.autoclose !== false) { results.once('done', function () { results.close(); }); } var test = function (name, conf, cb) { var t = new Test(name, conf, cb); test._tests.push(t); (function inspectCode(st) { st.on('test', function sub(st_) { inspectCode(st_); }); st.on('result', function (r) { if (!r.todo && !r.ok && typeof r !== 'string') test._exitCode = 1; }); })(t); results.push(t); return t; }; test._results = results; test._tests = []; test.createStream = function (opts) { return results.createStream(opts); }; test.onFinish = function (cb) { results.on('done', cb); }; test.onFailure = function (cb) { results.on('fail', cb); }; var only = false; test.only = function () { if (only) throw new Error('there can only be one only test'); only = true; var t = test.apply(null, arguments); results.only(t); return t; }; test._exitCode = 0; test.close = function () { results.close(); }; return test; } }).call(this,require("g5I+bs")) },{"./lib/default_stream":72,"./lib/results":73,"./lib/test":74,"defined":8,"g5I+bs":53,"through":76}],72:[function(require,module,exports){ (function (process){ var through = require('through'); var fs = require('fs'); module.exports = function () { var line = ''; var stream = through(write, flush); return stream; function write(buf) { for (var i = 0; i < buf.length; i++) { var c = typeof buf === 'string' ? buf.charAt(i) : String.fromCharCode(buf[i]) ; if (c === '\n') flush(); else line += c; } } function flush() { if (fs.writeSync && /^win/.test(process.platform)) { try { fs.writeSync(1, line + '\n'); } catch (e) { stream.emit('error', e); } } else { try { console.log(line); } catch (e) { stream.emit('error', e); } } line = ''; } }; }).call(this,require("g5I+bs")) },{"fs":4,"g5I+bs":53,"through":76}],73:[function(require,module,exports){ (function (process){ var defined = require('defined'); var EventEmitter = require('events').EventEmitter; var inherits = require('inherits'); var through = require('through'); var resumer = require('resumer'); var inspect = require('object-inspect'); var bind = require('function-bind'); var has = require('has'); var regexpTest = bind.call(Function.call, RegExp.prototype.test); var yamlIndicators = /\:|\-|\?/; var nextTick = typeof setImmediate !== 'undefined' ? setImmediate : process.nextTick ; module.exports = Results; inherits(Results, EventEmitter); function coalesceWhiteSpaces(str) { return String(str).replace(/\s+/g, ' '); } function Results() { if (!(this instanceof Results)) return new Results; this.count = 0; this.fail = 0; this.pass = 0; this.todo = 0; this._stream = through(); this.tests = []; this._only = null; this._isRunning = false; } Results.prototype.createStream = function (opts) { if (!opts) opts = {}; var self = this; var output, testId = 0; if (opts.objectMode) { output = through(); self.on('_push', function ontest(t, extra) { if (!extra) extra = {}; var id = testId++; t.once('prerun', function () { var row = { type: 'test', name: t.name, id: id, skip: t._skip, todo: t._todo }; if (has(extra, 'parent')) { row.parent = extra.parent; } output.queue(row); }); t.on('test', function (st) { ontest(st, { parent: id }); }); t.on('result', function (res) { res.test = id; res.type = 'assert'; output.queue(res); }); t.on('end', function () { output.queue({ type: 'end', test: id }); }); }); self.on('done', function () { output.queue(null); }); } else { output = resumer(); output.queue('TAP version 13\n'); self._stream.pipe(output); } if (!this._isRunning) { this._isRunning = true; nextTick(function next() { var t; while (t = getNextTest(self)) { t.run(); if (!t.ended) return t.once('end', function () { nextTick(next); }); } self.emit('done'); }); } return output; }; Results.prototype.push = function (t) { var self = this; self.tests.push(t); self._watch(t); self.emit('_push', t); }; Results.prototype.only = function (t) { this._only = t; }; Results.prototype._watch = function (t) { var self = this; var write = function (s) { self._stream.queue(s); }; t.once('prerun', function () { var premsg = ''; if (t._skip) premsg = 'SKIP '; else if (t._todo) premsg = 'TODO '; write('# ' + premsg + coalesceWhiteSpaces(t.name) + '\n'); }); t.on('result', function (res) { if (typeof res === 'string') { write('# ' + res + '\n'); return; } write(encodeResult(res, self.count + 1)); self.count ++; if (res.ok || res.todo) self.pass ++; else { self.fail ++; self.emit('fail'); } }); t.on('test', function (st) { self._watch(st); }); }; Results.prototype.close = function () { var self = this; if (self.closed) self._stream.emit('error', new Error('ALREADY CLOSED')); self.closed = true; var write = function (s) { self._stream.queue(s); }; write('\n1..' + self.count + '\n'); write('# tests ' + self.count + '\n'); write('# pass ' + (self.pass + self.todo) + '\n'); if (self.todo) write('# todo ' + self.todo + '\n'); if (self.fail) write('# fail ' + self.fail + '\n'); else write('\n# ok\n'); self._stream.queue(null); }; function encodeResult(res, count) { var output = ''; output += (res.ok ? 'ok ' : 'not ok ') + count; output += res.name ? ' ' + coalesceWhiteSpaces(res.name) : ''; if (res.skip) { output += ' # SKIP' + ((typeof res.skip === 'string') ? ' ' + coalesceWhiteSpaces(res.skip) : ''); } else if (res.todo) { output += ' # TODO' + ((typeof res.todo === 'string') ? ' ' + coalesceWhiteSpaces(res.todo) : ''); }; output += '\n'; if (res.ok) return output; var outer = ' '; var inner = outer + ' '; output += outer + '---\n'; output += inner + 'operator: ' + res.operator + '\n'; if (has(res, 'expected') || has(res, 'actual')) { var ex = inspect(res.expected, {depth: res.objectPrintDepth}); var ac = inspect(res.actual, {depth: res.objectPrintDepth}); if (Math.max(ex.length, ac.length) > 65 || invalidYaml(ex) || invalidYaml(ac)) { output += inner + 'expected: |-\n' + inner + ' ' + ex + '\n'; output += inner + 'actual: |-\n' + inner + ' ' + ac + '\n'; } else { output += inner + 'expected: ' + ex + '\n'; output += inner + 'actual: ' + ac + '\n'; } } if (res.at) { output += inner + 'at: ' + res.at + '\n'; } var actualStack = res.actual && (typeof res.actual === 'object' || typeof res.actual === 'function') ? res.actual.stack : undefined; var errorStack = res.error && res.error.stack; var stack = defined(actualStack, errorStack); if (stack) { var lines = String(stack).split('\n'); output += inner + 'stack: |-\n'; for (var i = 0; i < lines.length; i++) { output += inner + ' ' + lines[i] + '\n'; } } output += outer + '...\n'; return output; } function getNextTest(results) { if (!results._only) { return results.tests.shift(); } do { var t = results.tests.shift(); if (!t) continue; if (results._only === t) { return t; } } while (results.tests.length !== 0); } function invalidYaml(str) { return regexpTest(yamlIndicators, str); } }).call(this,require("g5I+bs")) },{"defined":8,"events":31,"function-bind":34,"g5I+bs":53,"has":38,"inherits":40,"object-inspect":46,"resumer":58,"through":76}],74:[function(require,module,exports){ (function (process,__dirname){ var deepEqual = require('deep-equal'); var defined = require('defined'); var path = require('path'); var inherits = require('inherits'); var EventEmitter = require('events').EventEmitter; var has = require('has'); var isRegExp = require('is-regex'); var trim = require('string.prototype.trim'); var bind = require('function-bind'); var forEach = require('for-each'); var isEnumerable = bind.call(Function.call, Object.prototype.propertyIsEnumerable); var toLowerCase = bind.call(Function.call, String.prototype.toLowerCase); module.exports = Test; var nextTick = typeof setImmediate !== 'undefined' ? setImmediate : process.nextTick; var safeSetTimeout = setTimeout; var safeClearTimeout = clearTimeout; inherits(Test, EventEmitter); var getTestArgs = function (name_, opts_, cb_) { var name = '(anonymous)'; var opts = {}; var cb; for (var i = 0; i < arguments.length; i++) { var arg = arguments[i]; var t = typeof arg; if (t === 'string') { name = arg; } else if (t === 'object') { opts = arg || opts; } else if (t === 'function') { cb = arg; } } return { name: name, opts: opts, cb: cb }; }; function Test(name_, opts_, cb_) { if (! (this instanceof Test)) { return new Test(name_, opts_, cb_); } var args = getTestArgs(name_, opts_, cb_); this.readable = true; this.name = args.name || '(anonymous)'; this.assertCount = 0; this.pendingCount = 0; this._skip = args.opts.skip || false; this._todo = args.opts.todo || false; this._timeout = args.opts.timeout; this._plan = undefined; this._cb = args.cb; this._progeny = []; this._ok = true; var depthEnvVar = process.env.NODE_TAPE_OBJECT_PRINT_DEPTH; if (args.opts.objectPrintDepth) { this._objectPrintDepth = args.opts.objectPrintDepth; } else if (depthEnvVar) { if (toLowerCase(depthEnvVar) === 'infinity') { this._objectPrintDepth = Infinity; } else { this._objectPrintDepth = depthEnvVar; } } else { this._objectPrintDepth = 5; } for (var prop in this) { this[prop] = (function bind(self, val) { if (typeof val === 'function') { return function bound() { return val.apply(self, arguments); }; } return val; })(this, this[prop]); } } Test.prototype.run = function () { this.emit('prerun'); if (!this._cb || this._skip) { return this._end(); } if (this._timeout != null) { this.timeoutAfter(this._timeout); } this._cb(this); this.emit('run'); }; Test.prototype.test = function (name, opts, cb) { var self = this; var t = new Test(name, opts, cb); this._progeny.push(t); this.pendingCount++; this.emit('test', t); t.on('prerun', function () { self.assertCount++; }); if (!self._pendingAsserts()) { nextTick(function () { self._end(); }); } nextTick(function () { if (!self._plan && self.pendingCount == self._progeny.length) { self._end(); } }); }; Test.prototype.comment = function (msg) { var that = this; forEach(trim(msg).split('\n'), function (aMsg) { that.emit('result', trim(aMsg).replace(/^#\s*/, '')); }); }; Test.prototype.plan = function (n) { this._plan = n; this.emit('plan', n); }; Test.prototype.timeoutAfter = function (ms) { if (!ms) throw new Error('timeoutAfter requires a timespan'); var self = this; var timeout = safeSetTimeout(function () { self.fail('test timed out after ' + ms + 'ms'); self.end(); }, ms); this.once('end', function () { safeClearTimeout(timeout); }); }; Test.prototype.end = function (err) { var self = this; if (arguments.length >= 1 && !!err) { this.ifError(err); } if (this.calledEnd) { this.fail('.end() called twice'); } this.calledEnd = true; this._end(); }; Test.prototype._end = function (err) { var self = this; if (this._progeny.length) { var t = this._progeny.shift(); t.on('end', function () { self._end(); }); t.run(); return; } if (!this.ended) this.emit('end'); var pendingAsserts = this._pendingAsserts(); if (!this._planError && this._plan !== undefined && pendingAsserts) { this._planError = true; this.fail('plan != count', { expected : this._plan, actual : this.assertCount }); } this.ended = true; }; Test.prototype._exit = function () { if (this._plan !== undefined && !this._planError && this.assertCount !== this._plan) { this._planError = true; this.fail('plan != count', { expected : this._plan, actual : this.assertCount, exiting : true }); } else if (!this.ended) { this.fail('test exited without ending', { exiting: true }); } }; Test.prototype._pendingAsserts = function () { if (this._plan === undefined) { return 1; } return this._plan - (this._progeny.length + this.assertCount); }; Test.prototype._assert = function assert(ok, opts) { var self = this; var extra = opts.extra || {}; ok = !!ok || !!extra.skip; var res = { id: self.assertCount++, ok: ok, skip: defined(extra.skip, opts.skip), todo: defined(extra.todo, opts.todo, self._todo), name: defined(extra.message, opts.message, '(unnamed assert)'), operator: defined(extra.operator, opts.operator), objectPrintDepth: self._objectPrintDepth }; if (has(opts, 'actual') || has(extra, 'actual')) { res.actual = defined(extra.actual, opts.actual); } if (has(opts, 'expected') || has(extra, 'expected')) { res.expected = defined(extra.expected, opts.expected); } this._ok = !!(this._ok && ok); if (!ok && !res.todo) { res.error = defined(extra.error, opts.error, new Error(res.name)); } if (!ok) { var e = new Error('exception'); var err = (e.stack || '').split('\n'); var dir = __dirname + path.sep; for (var i = 0; i < err.length; i++) { /* Stack trace lines may resemble one of the following. We need to should correctly extract a function name (if any) and path / line no. for each line. at myFunction (/path/to/file.js:123:45) at myFunction (/path/to/file.other-ext:123:45) at myFunction (/path to/file.js:123:45) at myFunction (C:\path\to\file.js:123:45) at myFunction (/path/to/file.js:123) at Test.<anonymous> (/path/to/file.js:123:45) at Test.bound [as run] (/path/to/file.js:123:45) at /path/to/file.js:123:45 Regex has three parts. First is non-capturing group for 'at ' (plus anything preceding it). /^(?:[^\s]*\s*\bat\s+)/ Second captures function call description (optional). This is not necessarily a valid JS function name, but just what the stack trace is using to represent a function call. It may look like `<anonymous>` or 'Test.bound [as run]'. For our purposes, we assume that, if there is a function name, it's everything leading up to the first open parentheses (trimmed) before our pathname. /(?:(.*)\s+\()?/ Last part captures file path plus line no (and optional column no). /((?:\/|[a-zA-Z]:\\)[^:\)]+:(\d+)(?::(\d+))?)/ */ var re = /^(?:[^\s]*\s*\bat\s+)(?:(.*)\s+\()?((?:\/|[a-zA-Z]:\\)[^:\)]+:(\d+)(?::(\d+))?)/; var m = re.exec(err[i]); if (!m) { continue; } var callDescription = m[1] || '<anonymous>'; var filePath = m[2]; if (filePath.slice(0, dir.length) === dir) { continue; } // Function call description may not (just) be a function name. // Try to extract function name by looking at first "word" only. res.functionName = callDescription.split(/\s+/)[0]; res.file = filePath; res.line = Number(m[3]); if (m[4]) res.column = Number(m[4]); res.at = callDescription + ' (' + filePath + ')'; break; } } self.emit('result', res); var pendingAsserts = self._pendingAsserts(); if (!pendingAsserts) { if (extra.exiting) { self._end(); } else { nextTick(function () { self._end(); }); } } if (!self._planError && pendingAsserts < 0) { self._planError = true; self.fail('plan != count', { expected : self._plan, actual : self._plan - pendingAsserts }); } }; Test.prototype.fail = function (msg, extra) { this._assert(false, { message : msg, operator : 'fail', extra : extra }); }; Test.prototype.pass = function (msg, extra) { this._assert(true, { message : msg, operator : 'pass', extra : extra }); }; Test.prototype.skip = function (msg, extra) { this._assert(true, { message : msg, operator : 'skip', skip : true, extra : extra }); }; function assert(value, msg, extra) { this._assert(value, { message : defined(msg, 'should be truthy'), operator : 'ok', expected : true, actual : value, extra : extra }); } Test.prototype.ok = Test.prototype['true'] = Test.prototype.assert = assert; function notOK(value, msg, extra) { this._assert(!value, { message : defined(msg, 'should be falsy'), operator : 'notOk', expected : false, actual : value, extra : extra }); } Test.prototype.notOk = Test.prototype['false'] = Test.prototype.notok = notOK; function error(err, msg, extra) { this._assert(!err, { message : defined(msg, String(err)), operator : 'error', actual : err, extra : extra }); } Test.prototype.error = Test.prototype.ifError = Test.prototype.ifErr = Test.prototype.iferror = error; function equal(a, b, msg, extra) { this._assert(a === b, { message : defined(msg, 'should be equal'), operator : 'equal', actual : a, expected : b, extra : extra }); } Test.prototype.equal = Test.prototype.equals = Test.prototype.isEqual = Test.prototype.is = Test.prototype.strictEqual = Test.prototype.strictEquals = equal; function notEqual(a, b, msg, extra) { this._assert(a !== b, { message : defined(msg, 'should not be equal'), operator : 'notEqual', actual : a, expected : b, extra : extra }); } Test.prototype.notEqual = Test.prototype.notEquals = Test.prototype.notStrictEqual = Test.prototype.notStrictEquals = Test.prototype.isNotEqual = Test.prototype.isNot = Test.prototype.not = Test.prototype.doesNotEqual = Test.prototype.isInequal = notEqual; function tapeDeepEqual(a, b, msg, extra) { this._assert(deepEqual(a, b, { strict: true }), { message : defined(msg, 'should be equivalent'), operator : 'deepEqual', actual : a, expected : b, extra : extra }); } Test.prototype.deepEqual = Test.prototype.deepEquals = Test.prototype.isEquivalent = Test.prototype.same = tapeDeepEqual; function deepLooseEqual(a, b, msg, extra) { this._assert(deepEqual(a, b), { message : defined(msg, 'should be equivalent'), operator : 'deepLooseEqual', actual : a, expected : b, extra : extra }); } Test.prototype.deepLooseEqual = Test.prototype.looseEqual = Test.prototype.looseEquals = deepLooseEqual; function notDeepEqual(a, b, msg, extra) { this._assert(!deepEqual(a, b, { strict: true }), { message : defined(msg, 'should not be equivalent'), operator : 'notDeepEqual', actual : a, expected : b, extra : extra }); } Test.prototype.notDeepEqual = Test.prototype.notDeepEquals = Test.prototype.notEquivalent = Test.prototype.notDeeply = Test.prototype.notSame = Test.prototype.isNotDeepEqual = Test.prototype.isNotDeeply = Test.prototype.isNotEquivalent = Test.prototype.isInequivalent = notDeepEqual; function notDeepLooseEqual(a, b, msg, extra) { this._assert(!deepEqual(a, b), { message : defined(msg, 'should be equivalent'), operator : 'notDeepLooseEqual', actual : a, expected : b, extra : extra }); } Test.prototype.notDeepLooseEqual = Test.prototype.notLooseEqual = Test.prototype.notLooseEquals = notDeepLooseEqual; Test.prototype['throws'] = function (fn, expected, msg, extra) { if (typeof expected === 'string') { msg = expected; expected = undefined; } var caught = undefined; try { fn(); } catch (err) { caught = { error : err }; if ((err != null) && (!isEnumerable(err, 'message') || !has(err, 'message'))) { var message = err.message; delete err.message; err.message = message; } } var passed = caught; if (isRegExp(expected)) { passed = expected.test(caught && caught.error); expected = String(expected); } if (typeof expected === 'function' && caught) { passed = caught.error instanceof expected; } this._assert(typeof fn === 'function' && passed, { message : defined(msg, 'should throw'), operator : 'throws', actual : caught && caught.error, expected : expected, error: !passed && caught && caught.error, extra : extra }); }; Test.prototype.doesNotThrow = function (fn, expected, msg, extra) { if (typeof expected === 'string') { msg = expected; expected = undefined; } var caught = undefined; try { fn(); } catch (err) { caught = { error : err }; } this._assert(!caught, { message : defined(msg, 'should not throw'), operator : 'throws', actual : caught && caught.error, expected : expected, error : caught && caught.error, extra : extra }); }; Test.skip = function (name_, _opts, _cb) { var args = getTestArgs.apply(null, arguments); args.opts.skip = true; return Test(args.name, args.opts, args.cb); }; // vim: set softtabstop=4 shiftwidth=4: }).call(this,require("g5I+bs"),"/../node_modules/tape/lib") },{"deep-equal":6,"defined":8,"events":31,"for-each":32,"function-bind":34,"g5I+bs":53,"has":38,"inherits":40,"is-regex":75,"path":52,"string.prototype.trim":67}],75:[function(require,module,exports){ 'use strict'; var has = require('has'); var regexExec = RegExp.prototype.exec; var gOPD = Object.getOwnPropertyDescriptor; var tryRegexExecCall = function tryRegexExec(value) { try { var lastIndex = value.lastIndex; value.lastIndex = 0; // eslint-disable-line no-param-reassign regexExec.call(value); return true; } catch (e) { return false; } finally { value.lastIndex = lastIndex; // eslint-disable-line no-param-reassign } }; var toStr = Object.prototype.toString; var regexClass = '[object RegExp]'; var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; module.exports = function isRegex(value) { if (!value || typeof value !== 'object') { return false; } if (!hasToStringTag) { return toStr.call(value) === regexClass; } var descriptor = gOPD(value, 'lastIndex'); var hasLastIndexDataProperty = descriptor && has(descriptor, 'value'); if (!hasLastIndexDataProperty) { return false; } return tryRegexExecCall(value); }; },{"has":38}],76:[function(require,module,exports){ (function (process){ var Stream = require('stream') // through // // a stream that does nothing but re-emit the input. // useful for aggregating a series of changing but not ending streams into one stream) exports = module.exports = through through.through = through //create a readable writable stream. function through (write, end, opts) { write = write || function (data) { this.queue(data) } end = end || function () { this.queue(null) } var ended = false, destroyed = false, buffer = [], _ended = false var stream = new Stream() stream.readable = stream.writable = true stream.paused = false // stream.autoPause = !(opts && opts.autoPause === false) stream.autoDestroy = !(opts && opts.autoDestroy === false) stream.write = function (data) { write.call(this, data) return !stream.paused } function drain() { while(buffer.length && !stream.paused) { var data = buffer.shift() if(null === data) return stream.emit('end') else stream.emit('data', data) } } stream.queue = stream.push = function (data) { // console.error(ended) if(_ended) return stream if(data === null) _ended = true buffer.push(data) drain() return stream } //this will be registered as the first 'end' listener //must call destroy next tick, to make sure we're after any //stream piped from here. //this is only a problem if end is not emitted synchronously. //a nicer way to do this is to make sure this is the last listener for 'end' stream.on('end', function () { stream.readable = false if(!stream.writable && stream.autoDestroy) process.nextTick(function () { stream.destroy() }) }) function _end () { stream.writable = false end.call(stream) if(!stream.readable && stream.autoDestroy) stream.destroy() } stream.end = function (data) { if(ended) return ended = true if(arguments.length) stream.write(data) _end() // will emit or queue return stream } stream.destroy = function () { if(destroyed) return destroyed = true ended = true buffer.length = 0 stream.writable = stream.readable = false stream.emit('close') return stream } stream.pause = function () { if(stream.paused) return stream.paused = true return stream } stream.resume = function () { if(stream.paused) { stream.paused = false stream.emit('resume') } drain() //may have become paused again, //as drain emits 'data'. if(!stream.paused) stream.emit('drain') return stream } return stream } }).call(this,require("g5I+bs")) },{"g5I+bs":53,"stream":60}],77:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } },{}],78:[function(require,module,exports){ module.exports = function isBuffer(arg) { return arg && typeof arg === 'object' && typeof arg.copy === 'function' && typeof arg.fill === 'function' && typeof arg.readUInt8 === 'function'; } },{}],79:[function(require,module,exports){ (function (process,global){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var formatRegExp = /%[sdj%]/g; exports.format = function(f) { if (!isString(f)) { var objects = []; for (var i = 0; i < arguments.length; i++) { objects.push(inspect(arguments[i])); } return objects.join(' '); } var i = 1; var args = arguments; var len = args.length; var str = String(f).replace(formatRegExp, function(x) { if (x === '%%') return '%'; if (i >= len) return x; switch (x) { case '%s': return String(args[i++]); case '%d': return Number(args[i++]); case '%j': try { return JSON.stringify(args[i++]); } catch (_) { return '[Circular]'; } default: return x; } }); for (var x = args[i]; i < len; x = args[++i]) { if (isNull(x) || !isObject(x)) { str += ' ' + x; } else { str += ' ' + inspect(x); } } return str; }; // Mark that a method should not be used. // Returns a modified function which warns once by default. // If --no-deprecation is set, then it is a no-op. exports.deprecate = function(fn, msg) { // Allow for deprecating things in the process of starting up. if (isUndefined(global.process)) { return function() { return exports.deprecate(fn, msg).apply(this, arguments); }; } if (process.noDeprecation === true) { return fn; } var warned = false; function deprecated() { if (!warned) { if (process.throwDeprecation) { throw new Error(msg); } else if (process.traceDeprecation) { console.trace(msg); } else { console.error(msg); } warned = true; } return fn.apply(this, arguments); } return deprecated; }; var debugs = {}; var debugEnviron; exports.debuglog = function(set) { if (isUndefined(debugEnviron)) debugEnviron = process.env.NODE_DEBUG || ''; set = set.toUpperCase(); if (!debugs[set]) { if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { var pid = process.pid; debugs[set] = function() { var msg = exports.format.apply(exports, arguments); console.error('%s %d: %s', set, pid, msg); }; } else { debugs[set] = function() {}; } } return debugs[set]; }; /** * Echos the value of a value. Trys to print the value out * in the best way possible given the different types. * * @param {Object} obj The object to print out. * @param {Object} opts Optional options object that alters the output. */ /* legacy: obj, showHidden, depth, colors*/ function inspect(obj, opts) { // default options var ctx = { seen: [], stylize: stylizeNoColor }; // legacy... if (arguments.length >= 3) ctx.depth = arguments[2]; if (arguments.length >= 4) ctx.colors = arguments[3]; if (isBoolean(opts)) { // legacy... ctx.showHidden = opts; } else if (opts) { // got an "options" object exports._extend(ctx, opts); } // set default options if (isUndefined(ctx.showHidden)) ctx.showHidden = false; if (isUndefined(ctx.depth)) ctx.depth = 2; if (isUndefined(ctx.colors)) ctx.colors = false; if (isUndefined(ctx.customInspect)) ctx.customInspect = true; if (ctx.colors) ctx.stylize = stylizeWithColor; return formatValue(ctx, obj, ctx.depth); } exports.inspect = inspect; // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics inspect.colors = { 'bold' : [1, 22], 'italic' : [3, 23], 'underline' : [4, 24], 'inverse' : [7, 27], 'white' : [37, 39], 'grey' : [90, 39], 'black' : [30, 39], 'blue' : [34, 39], 'cyan' : [36, 39], 'green' : [32, 39], 'magenta' : [35, 39], 'red' : [31, 39], 'yellow' : [33, 39] }; // Don't use 'blue' not visible on cmd.exe inspect.styles = { 'special': 'cyan', 'number': 'yellow', 'boolean': 'yellow', 'undefined': 'grey', 'null': 'bold', 'string': 'green', 'date': 'magenta', // "name": intentionally not styling 'regexp': 'red' }; function stylizeWithColor(str, styleType) { var style = inspect.styles[styleType]; if (style) { return '\u001b[' + inspect.colors[style][0] + 'm' + str + '\u001b[' + inspect.colors[style][1] + 'm'; } else { return str; } } function stylizeNoColor(str, styleType) { return str; } function arrayToHash(array) { var hash = {}; array.forEach(function(val, idx) { hash[val] = true; }); return hash; } function formatValue(ctx, value, recurseTimes) { // Provide a hook for user-specified inspect functions. // Check that value is an object with an inspect function on it if (ctx.customInspect && value && isFunction(value.inspect) && // Filter out the util module, it's inspect function is special value.inspect !== exports.inspect && // Also filter out any prototype objects using the circular check. !(value.constructor && value.constructor.prototype === value)) { var ret = value.inspect(recurseTimes, ctx); if (!isString(ret)) { ret = formatValue(ctx, ret, recurseTimes); } return ret; } // Primitive types cannot have properties var primitive = formatPrimitive(ctx, value); if (primitive) { return primitive; } // Look up the keys of the object. var keys = Object.keys(value); var visibleKeys = arrayToHash(keys); if (ctx.showHidden) { keys = Object.getOwnPropertyNames(value); } // IE doesn't make error fields non-enumerable // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx if (isError(value) && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { return formatError(value); } // Some type of object without properties can be shortcutted. if (keys.length === 0) { if (isFunction(value)) { var name = value.name ? ': ' + value.name : ''; return ctx.stylize('[Function' + name + ']', 'special'); } if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } if (isDate(value)) { return ctx.stylize(Date.prototype.toString.call(value), 'date'); } if (isError(value)) { return formatError(value); } } var base = '', array = false, braces = ['{', '}']; // Make Array say that they are Array if (isArray(value)) { array = true; braces = ['[', ']']; } // Make functions say that they are functions if (isFunction(value)) { var n = value.name ? ': ' + value.name : ''; base = ' [Function' + n + ']'; } // Make RegExps say that they are RegExps if (isRegExp(value)) { base = ' ' + RegExp.prototype.toString.call(value); } // Make dates with properties first say the date if (isDate(value)) { base = ' ' + Date.prototype.toUTCString.call(value); } // Make error with message first say the error if (isError(value)) { base = ' ' + formatError(value); } if (keys.length === 0 && (!array || value.length == 0)) { return braces[0] + base + braces[1]; } if (recurseTimes < 0) { if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } else { return ctx.stylize('[Object]', 'special'); } } ctx.seen.push(value); var output; if (array) { output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); } else { output = keys.map(function(key) { return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); }); } ctx.seen.pop(); return reduceToSingleString(output, base, braces); } function formatPrimitive(ctx, value) { if (isUndefined(value)) return ctx.stylize('undefined', 'undefined'); if (isString(value)) { var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') .replace(/'/g, "\\'") .replace(/\\"/g, '"') + '\''; return ctx.stylize(simple, 'string'); } if (isNumber(value)) return ctx.stylize('' + value, 'number'); if (isBoolean(value)) return ctx.stylize('' + value, 'boolean'); // For some reason typeof null is "object", so special case here. if (isNull(value)) return ctx.stylize('null', 'null'); } function formatError(value) { return '[' + Error.prototype.toString.call(value) + ']'; } function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { var output = []; for (var i = 0, l = value.length; i < l; ++i) { if (hasOwnProperty(value, String(i))) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true)); } else { output.push(''); } } keys.forEach(function(key) { if (!key.match(/^\d+$/)) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true)); } }); return output; } function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { var name, str, desc; desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; if (desc.get) { if (desc.set) { str = ctx.stylize('[Getter/Setter]', 'special'); } else { str = ctx.stylize('[Getter]', 'special'); } } else { if (desc.set) { str = ctx.stylize('[Setter]', 'special'); } } if (!hasOwnProperty(visibleKeys, key)) { name = '[' + key + ']'; } if (!str) { if (ctx.seen.indexOf(desc.value) < 0) { if (isNull(recurseTimes)) { str = formatValue(ctx, desc.value, null); } else { str = formatValue(ctx, desc.value, recurseTimes - 1); } if (str.indexOf('\n') > -1) { if (array) { str = str.split('\n').map(function(line) { return ' ' + line; }).join('\n').substr(2); } else { str = '\n' + str.split('\n').map(function(line) { return ' ' + line; }).join('\n'); } } } else { str = ctx.stylize('[Circular]', 'special'); } } if (isUndefined(name)) { if (array && key.match(/^\d+$/)) { return str; } name = JSON.stringify('' + key); if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { name = name.substr(1, name.length - 2); name = ctx.stylize(name, 'name'); } else { name = name.replace(/'/g, "\\'") .replace(/\\"/g, '"') .replace(/(^"|"$)/g, "'"); name = ctx.stylize(name, 'string'); } } return name + ': ' + str; } function reduceToSingleString(output, base, braces) { var numLinesEst = 0; var length = output.reduce(function(prev, cur) { numLinesEst++; if (cur.indexOf('\n') >= 0) numLinesEst++; return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; }, 0); if (length > 60) { return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n ') + ' ' + braces[1]; } return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; } // NOTE: These type checking functions intentionally don't use `instanceof` // because it is fragile and can be easily faked with `Object.create()`. function isArray(ar) { return Array.isArray(ar); } exports.isArray = isArray; function isBoolean(arg) { return typeof arg === 'boolean'; } exports.isBoolean = isBoolean; function isNull(arg) { return arg === null; } exports.isNull = isNull; function isNullOrUndefined(arg) { return arg == null; } exports.isNullOrUndefined = isNullOrUndefined; function isNumber(arg) { return typeof arg === 'number'; } exports.isNumber = isNumber; function isString(arg) { return typeof arg === 'string'; } exports.isString = isString; function isSymbol(arg) { return typeof arg === 'symbol'; } exports.isSymbol = isSymbol; function isUndefined(arg) { return arg === void 0; } exports.isUndefined = isUndefined; function isRegExp(re) { return isObject(re) && objectToString(re) === '[object RegExp]'; } exports.isRegExp = isRegExp; function isObject(arg) { return typeof arg === 'object' && arg !== null; } exports.isObject = isObject; function isDate(d) { return isObject(d) && objectToString(d) === '[object Date]'; } exports.isDate = isDate; function isError(e) { return isObject(e) && (objectToString(e) === '[object Error]' || e instanceof Error); } exports.isError = isError; function isFunction(arg) { return typeof arg === 'function'; } exports.isFunction = isFunction; function isPrimitive(arg) { return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || typeof arg === 'symbol' || // ES6 symbol typeof arg === 'undefined'; } exports.isPrimitive = isPrimitive; exports.isBuffer = require('./support/isBuffer'); function objectToString(o) { return Object.prototype.toString.call(o); } function pad(n) { return n < 10 ? '0' + n.toString(10) : n.toString(10); } var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; // 26 Feb 16:19:34 function timestamp() { var d = new Date(); var time = [pad(d.getHours()), pad(d.getMinutes()), pad(d.getSeconds())].join(':'); return [d.getDate(), months[d.getMonth()], time].join(' '); } // log is just a thin wrapper to console.log that prepends a timestamp exports.log = function() { console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); }; /** * Inherit the prototype methods from one constructor into another. * * The Function.prototype.inherits from lang.js rewritten as a standalone * function (not on Function.prototype). NOTE: If this file is to be loaded * during bootstrapping this function needs to be rewritten using some native * functions as prototype setup using normal JavaScript does not work as * expected during bootstrapping (see mirror.js in r114903). * * @param {function} ctor Constructor function which needs to inherit the * prototype. * @param {function} superCtor Constructor function to inherit prototype from. */ exports.inherits = require('inherits'); exports._extend = function(origin, add) { // Don't do anything if add isn't an object if (!add || !isObject(add)) return origin; var keys = Object.keys(add); var i = keys.length; while (i--) { origin[keys[i]] = add[keys[i]]; } return origin; }; function hasOwnProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } }).call(this,require("g5I+bs"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"./support/isBuffer":78,"g5I+bs":53,"inherits":77}],80:[function(require,module,exports){ 'use strict'; var implementation = require('./implementation'); module.exports = function getPolyfill() { return Array.prototype.includes || implementation; }; },{"./implementation":1}],81:[function(require,module,exports){ 'use strict'; var define = require('define-properties'); var getPolyfill = require('./polyfill'); module.exports = function shimArrayPrototypeIncludes() { var polyfill = getPolyfill(); define( Array.prototype, { includes: polyfill }, { includes: function () { return Array.prototype.includes !== polyfill; } } ); return polyfill; }; },{"./polyfill":80,"define-properties":7}],82:[function(require,module,exports){ 'use strict'; var includes = require('../'); var test = require('tape'); var runTests = require('./tests'); test('as a function', function (t) { t.test('bad array/this value', function (st) { st['throws'](function () { includes(undefined, 'a'); }, TypeError, 'undefined is not an object'); st['throws'](function () { includes(null, 'a'); }, TypeError, 'null is not an object'); st.end(); }); runTests(includes, t); t.end(); }); },{"../":2,"./tests":84,"tape":71}],83:[function(require,module,exports){ 'use strict'; require('../shim')(); var test = require('tape'); var defineProperties = require('define-properties'); var bind = require('function-bind'); var isEnumerable = Object.prototype.propertyIsEnumerable; var functionsHaveNames = require('functions-have-names')(); var runTests = require('./tests'); test('shimmed', function (t) { t.equal(Array.prototype.includes.length, 1, 'Array#includes has a length of 1'); t.test('Function name', { skip: !functionsHaveNames }, function (st) { st.equal(Array.prototype.includes.name, 'includes', 'Array#includes has name "includes"'); st.end(); }); t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) { et.equal(false, isEnumerable.call(Array.prototype, 'includes'), 'Array#includes is not enumerable'); et.end(); }); var supportsStrictMode = (function () { return typeof this === 'undefined'; }()); t.test('bad array/this value', { skip: !supportsStrictMode }, function (st) { st['throws'](function () { return Array.prototype.includes.call(undefined, 'a'); }, TypeError, 'undefined is not an object'); st['throws'](function () { return Array.prototype.includes.call(null, 'a'); }, TypeError, 'null is not an object'); st.end(); }); runTests(bind.call(Function.call, Array.prototype.includes), t); t.end(); }); },{"../shim":81,"./tests":84,"define-properties":7,"function-bind":34,"functions-have-names":35,"tape":71}],84:[function(require,module,exports){ 'use strict'; module.exports = function (includes, t) { var sparseish = { length: 5, 0: 'a', 1: 'b' }; var overfullarrayish = { length: 2, 0: 'a', 1: 'b', 2: 'c' }; var thrower = { valueOf: function () { throw new RangeError('whoa'); } }; var numberish = { valueOf: function () { return 2; } }; t.test('simple examples', function (st) { st.equal(true, includes([1, 2, 3], 1), '[1, 2, 3] includes 1'); st.equal(false, includes([1, 2, 3], 4), '[1, 2, 3] does not include 4'); st.equal(true, includes([NaN], NaN), '[NaN] includes NaN'); st.end(); }); t.test('does not skip holes', function (st) { st.equal(true, includes(Array(1)), 'Array(1) includes undefined'); st.end(); }); t.test('exceptions', function (et) { et.test('fromIndex conversion', function (st) { st['throws'](function () { includes([0], 0, thrower); }, RangeError, 'fromIndex conversion throws'); st.end(); }); et.test('ToLength', function (st) { st['throws'](function () { includes({ length: thrower, 0: true }, true); }, RangeError, 'ToLength conversion throws'); st.end(); }); et.end(); }); t.test('arraylike', function (st) { st.equal(true, includes(sparseish, 'a'), 'sparse array-like object includes "a"'); st.equal(false, includes(sparseish, 'c'), 'sparse array-like object does not include "c"'); st.equal(true, includes(overfullarrayish, 'b'), 'sparse array-like object includes "b"'); st.equal(false, includes(overfullarrayish, 'c'), 'sparse array-like object does not include "c"'); st.end(); }); t.test('fromIndex', function (ft) { ft.equal(true, includes([1], 1, NaN), 'NaN fromIndex -> 0 fromIndex'); ft.equal(true, includes([0, 1, 2], 1, 0), 'starting from 0 finds index 1'); ft.equal(true, includes([0, 1, 2], 1, 1), 'starting from 1 finds index 1'); ft.equal(false, includes([0, 1, 2], 1, 2), 'starting from 2 does not find index 1'); ft.test('number coercion', function (st) { st.equal(false, includes(['a', 'b', 'c'], 'a', numberish), 'does not find "a" with object fromIndex coercing to 2'); st.equal(false, includes(['a', 'b', 'c'], 'a', '2'), 'does not find "a" with string fromIndex coercing to 2'); st.equal(true, includes(['a', 'b', 'c'], 'c', numberish), 'finds "c" with object fromIndex coercing to 2'); st.equal(true, includes(['a', 'b', 'c'], 'c', '2'), 'finds "c" with string fromIndex coercing to 2'); st.end(); }); ft.test('fromIndex greater than length', function (st) { st.equal(false, includes([1], 1, 2), 'array of length 1 is not searched if fromIndex is > 1'); st.equal(false, includes([1], 1, 1), 'array of length 1 is not searched if fromIndex is >= 1'); st.equal(false, includes([1], 1, 1.1), 'array of length 1 is not searched if fromIndex is 1.1'); st.equal(false, includes([1], 1, Infinity), 'array of length 1 is not searched if fromIndex is Infinity'); st.end(); }); ft.test('negative fromIndex', function (st) { st.equal(true, includes([1, 3], 1, -4), 'computed length would be negative; fromIndex is thus 0'); st.equal(true, includes([1, 3], 3, -4), 'computed length would be negative; fromIndex is thus 0'); st.equal(true, includes([1, 3], 1, -Infinity), 'computed length would be negative; fromIndex is thus 0'); st.equal(true, includes([12, 13], 13, -1), 'finds -1st item with -1 fromIndex'); st.equal(false, includes([12, 13], 12, -1), 'does not find -2nd item with -1 fromIndex'); st.equal(true, includes([12, 13], 13, -2), 'finds -2nd item with -2 fromIndex'); st.equal(true, includes(sparseish, 'b', -4), 'finds -4th item with -4 fromIndex'); st.equal(false, includes(sparseish, 'a', -4), 'does not find -5th item with -4 fromIndex'); st.equal(true, includes(sparseish, 'a', -5), 'finds -5th item with -5 fromIndex'); st.end(); }); ft.end(); }); t.test('strings', function (st) { st.equal(true, includes('abc', 'c'), 'string includes one of its chars'); st.equal(false, includes('abc', 'd'), 'string does not include a char it should not'); st.equal(true, includes(Object('abc'), 'c'), 'boxed string includes one of its chars'); st.equal(false, includes(Object('abc'), 'd'), 'boxed string does not include a char it should not'); st.end(); }); }; },{}]},{},[82,83]) //# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["/Users/jordanharband/Dropbox (Opendoor)/git/array-includes.git/node_modules/browser-pack/_prelude.js","/Users/jordanharband/Dropbox (Opendoor)/git/array-includes.git/implementation.js","/Users/jordanharband/Dropbox 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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error(\"Cannot find module '\"+o+\"'\")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\n\nvar ToInteger = require('es-abstract/2018/ToInteger');\nvar ToLength = require('es-abstract/2018/ToLength');\nvar ToObject = require('es-abstract/2018/ToObject');\nvar SameValueZero = require('es-abstract/2018/SameValueZero');\nvar $isNaN = require('es-abstract/helpers/isNaN');\nvar $isFinite = require('es-abstract/helpers/isFinite');\nvar GetIntrinsic = require('es-abstract/GetIntrinsic');\nvar callBind = require('es-abstract/helpers/callBind');\n\nvar $indexOf = callBind.apply(GetIntrinsic('%Array.prototype.indexOf%'));\n\nmodule.exports = function includes(searchElement) {\n\tvar fromIndex = arguments.length > 1 ? ToInteger(arguments[1]) : 0;\n\tif ($indexOf && !$isNaN(searchElement) && $isFinite(fromIndex) && typeof searchElement !== 'undefined') {\n\t\treturn $indexOf(this, arguments) > -1;\n\t}\n\n\tvar O = ToObject(this);\n\tvar length = ToLength(O.length);\n\tif (length === 0) {\n\t\treturn false;\n\t}\n\tvar k = fromIndex >= 0 ? fromIndex : Math.max(0, length + fromIndex);\n\twhile (k < length) {\n\t\tif (SameValueZero(searchElement, O[k])) {\n\t\t\treturn true;\n\t\t}\n\t\tk += 1;\n\t}\n\treturn false;\n};\n","'use strict';\n\nvar define = require('define-properties');\nvar RequireObjectCoercible = require('es-abstract/2018/RequireObjectCoercible');\nvar callBound = require('es-abstract/helpers/callBound');\n\nvar implementation = require('./implementation');\nvar getPolyfill = require('./polyfill');\nvar polyfill = getPolyfill();\nvar shim = require('./shim');\n\nvar $slice = callBound('Array.prototype.slice');\n\n/* eslint-disable no-unused-vars */\nvar boundIncludesShim = function includes(array, searchElement) {\n/* eslint-enable no-unused-vars */\n\tRequireObjectCoercible(array);\n\treturn polyfill.apply(array, $slice(arguments, 1));\n};\ndefine(boundIncludesShim, {\n\tgetPolyfill: getPolyfill,\n\timplementation: implementation,\n\tshim: shim\n});\n\nmodule.exports = boundIncludesShim;\n","var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';\n\n;(function (exports) {\n\t'use strict';\n\n  var Arr = (typeof Uint8Array !== 'undefined')\n    ? Uint8Array\n    : Array\n\n\tvar PLUS   = '+'.charCodeAt(0)\n\tvar SLASH  = '/'.charCodeAt(0)\n\tvar NUMBER = '0'.charCodeAt(0)\n\tvar LOWER  = 'a'.charCodeAt(0)\n\tvar UPPER  = 'A'.charCodeAt(0)\n\tvar PLUS_URL_SAFE = '-'.charCodeAt(0)\n\tvar SLASH_URL_SAFE = '_'.charCodeAt(0)\n\n\tfunction decode (elt) {\n\t\tvar code = elt.charCodeAt(0)\n\t\tif (code === PLUS ||\n\t\t    code === PLUS_URL_SAFE)\n\t\t\treturn 62 // '+'\n\t\tif (code === SLASH ||\n\t\t    code === SLASH_URL_SAFE)\n\t\t\treturn 63 // '/'\n\t\tif (code < NUMBER)\n\t\t\treturn -1 //no match\n\t\tif (code < NUMBER + 10)\n\t\t\treturn code - NUMBER + 26 + 26\n\t\tif (code < UPPER + 26)\n\t\t\treturn code - UPPER\n\t\tif (code < LOWER + 26)\n\t\t\treturn code - LOWER + 26\n\t}\n\n\tfunction b64ToByteArray (b64) {\n\t\tvar i, j, l, tmp, placeHolders, arr\n\n\t\tif (b64.length % 4 > 0) {\n\t\t\tthrow new Error('Invalid string. Length must be a multiple of 4')\n\t\t}\n\n\t\t// the number of equal signs (place holders)\n\t\t// if there are two placeholders, than the two characters before it\n\t\t// represent one byte\n\t\t// if there is only one, then the three characters before it represent 2 bytes\n\t\t// this is just a cheap hack to not do indexOf twice\n\t\tvar len = b64.length\n\t\tplaceHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0\n\n\t\t// base64 is 4/3 + up to two characters of the original data\n\t\tarr = new Arr(b64.length * 3 / 4 - placeHolders)\n\n\t\t// if there are placeholders, only get up to the last complete 4 chars\n\t\tl = placeHolders > 0 ? b64.length - 4 : b64.length\n\n\t\tvar L = 0\n\n\t\tfunction push (v) {\n\t\t\tarr[L++] = v\n\t\t}\n\n\t\tfor (i = 0, j = 0; i < l; i += 4, j += 3) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))\n\t\t\tpush((tmp & 0xFF0000) >> 16)\n\t\t\tpush((tmp & 0xFF00) >> 8)\n\t\t\tpush(tmp & 0xFF)\n\t\t}\n\n\t\tif (placeHolders === 2) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)\n\t\t\tpush(tmp & 0xFF)\n\t\t} else if (placeHolders === 1) {\n\t\t\ttmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)\n\t\t\tpush((tmp >> 8) & 0xFF)\n\t\t\tpush(tmp & 0xFF)\n\t\t}\n\n\t\treturn arr\n\t}\n\n\tfunction uint8ToBase64 (uint8) {\n\t\tvar i,\n\t\t\textraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes\n\t\t\toutput = \"\",\n\t\t\ttemp, length\n\n\t\tfunction encode (num) {\n\t\t\treturn lookup.charAt(num)\n\t\t}\n\n\t\tfunction tripletToBase64 (num) {\n\t\t\treturn encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)\n\t\t}\n\n\t\t// go through the array every three bytes, we'll deal with trailing stuff later\n\t\tfor (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {\n\t\t\ttemp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])\n\t\t\toutput += tripletToBase64(temp)\n\t\t}\n\n\t\t// pad the end with zeros, but make sure to not forget the extra bytes\n\t\tswitch (extraBytes) {\n\t\t\tcase 1:\n\t\t\t\ttemp = uint8[uint8.length - 1]\n\t\t\t\toutput += encode(temp >> 2)\n\t\t\t\toutput += encode((temp << 4) & 0x3F)\n\t\t\t\toutput += '=='\n\t\t\t\tbreak\n\t\t\tcase 2:\n\t\t\t\ttemp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])\n\t\t\t\toutput += encode(temp >> 10)\n\t\t\t\toutput += encode((temp >> 4) & 0x3F)\n\t\t\t\toutput += encode((temp << 2) & 0x3F)\n\t\t\t\toutput += '='\n\t\t\t\tbreak\n\t\t}\n\n\t\treturn output\n\t}\n\n\texports.toByteArray = b64ToByteArray\n\texports.fromByteArray = uint8ToBase64\n}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))\n",null,"/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>\n * @license  MIT\n */\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\n\nexports.Buffer = Buffer\nexports.SlowBuffer = Buffer\nexports.INSPECT_MAX_BYTES = 50\nBuffer.poolSize = 8192\n\n/**\n * If `Buffer._useTypedArrays`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Use Object implementation (compatible down to IE6)\n */\nBuffer._useTypedArrays = (function () {\n  // Detect if browser supports Typed Arrays. Supported browsers are IE 10+, Firefox 4+,\n  // Chrome 7+, Safari 5.1+, Opera 11.6+, iOS 4.2+. If the browser does not support adding\n  // properties to `Uint8Array` instances, then that's the same as no `Uint8Array` support\n  // because we need to be able to add all the node Buffer API methods. This is an issue\n  // in Firefox 4-29. Now fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=695438\n  try {\n    var buf = new ArrayBuffer(0)\n    var arr = new Uint8Array(buf)\n    arr.foo = function () { return 42 }\n    return 42 === arr.foo() &&\n        typeof arr.subarray === 'function' // Chrome 9-10 lack `subarray`\n  } catch (e) {\n    return false\n  }\n})()\n\n/**\n * Class: Buffer\n * =============\n *\n * The Buffer constructor returns instances of `Uint8Array` that are augmented\n * with function properties for all the node `Buffer` API functions. We use\n * `Uint8Array` so that square bracket notation works as expected -- it returns\n * a single octet.\n *\n * By augmenting the instances, we can avoid modifying the `Uint8Array`\n * prototype.\n */\nfunction Buffer (subject, encoding, noZero) {\n  if (!(this instanceof Buffer))\n    return new Buffer(subject, encoding, noZero)\n\n  var type = typeof subject\n\n  // Workaround: node's base64 implementation allows for non-padded strings\n  // while base64-js does not.\n  if (encoding === 'base64' && type === 'string') {\n    subject = stringtrim(subject)\n    while (subject.length % 4 !== 0) {\n      subject = subject + '='\n    }\n  }\n\n  // Find the length\n  var length\n  if (type === 'number')\n    length = coerce(subject)\n  else if (type === 'string')\n    length = Buffer.byteLength(subject, encoding)\n  else if (type === 'object')\n    length = coerce(subject.length) // assume that object is array-like\n  else\n    throw new Error('First argument needs to be a number, array or string.')\n\n  var buf\n  if (Buffer._useTypedArrays) {\n    // Preferred: Return an augmented `Uint8Array` instance for best performance\n    buf = Buffer._augment(new Uint8Array(length))\n  } else {\n    // Fallback: Return THIS instance of Buffer (created by `new`)\n    buf = this\n    buf.length = length\n    buf._isBuffer = true\n  }\n\n  var i\n  if (Buffer._useTypedArrays && typeof subject.byteLength === 'number') {\n    // Speed optimization -- use set if we're copying from a typed array\n    buf._set(subject)\n  } else if (isArrayish(subject)) {\n    // Treat array-ish objects as a byte array\n    for (i = 0; i < length; i++) {\n      if (Buffer.isBuffer(subject))\n        buf[i] = subject.readUInt8(i)\n      else\n        buf[i] = subject[i]\n    }\n  } else if (type === 'string') {\n    buf.write(subject, 0, encoding)\n  } else if (type === 'number' && !Buffer._useTypedArrays && !noZero) {\n    for (i = 0; i < length; i++) {\n      buf[i] = 0\n    }\n  }\n\n  return buf\n}\n\n// STATIC METHODS\n// ==============\n\nBuffer.isEncoding = function (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'binary':\n    case 'base64':\n    case 'raw':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.isBuffer = function (b) {\n  return !!(b !== null && b !== undefined && b._isBuffer)\n}\n\nBuffer.byteLength = function (str, encoding) {\n  var ret\n  str = str + ''\n  switch (encoding || 'utf8') {\n    case 'hex':\n      ret = str.length / 2\n      break\n    case 'utf8':\n    case 'utf-8':\n      ret = utf8ToBytes(str).length\n      break\n    case 'ascii':\n    case 'binary':\n    case 'raw':\n      ret = str.length\n      break\n    case 'base64':\n      ret = base64ToBytes(str).length\n      break\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      ret = str.length * 2\n      break\n    default:\n      throw new Error('Unknown encoding')\n  }\n  return ret\n}\n\nBuffer.concat = function (list, totalLength) {\n  assert(isArray(list), 'Usage: Buffer.concat(list, [totalLength])\\n' +\n      'list should be an Array.')\n\n  if (list.length === 0) {\n    return new Buffer(0)\n  } else if (list.length === 1) {\n    return list[0]\n  }\n\n  var i\n  if (typeof totalLength !== 'number') {\n    totalLength = 0\n    for (i = 0; i < list.length; i++) {\n      totalLength += list[i].length\n    }\n  }\n\n  var buf = new Buffer(totalLength)\n  var pos = 0\n  for (i = 0; i < list.length; i++) {\n    var item = list[i]\n    item.copy(buf, pos)\n    pos += item.length\n  }\n  return buf\n}\n\n// BUFFER INSTANCE METHODS\n// =======================\n\nfunction _hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  // must be an even number of digits\n  var strLen = string.length\n  assert(strLen % 2 === 0, 'Invalid hex string')\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; i++) {\n    var byte = parseInt(string.substr(i * 2, 2), 16)\n    assert(!isNaN(byte), 'Invalid hex string')\n    buf[offset + i] = byte\n  }\n  Buffer._charsWritten = i * 2\n  return i\n}\n\nfunction _utf8Write (buf, string, offset, length) {\n  var charsWritten = Buffer._charsWritten =\n    blitBuffer(utf8ToBytes(string), buf, offset, length)\n  return charsWritten\n}\n\nfunction _asciiWrite (buf, string, offset, length) {\n  var charsWritten = Buffer._charsWritten =\n    blitBuffer(asciiToBytes(string), buf, offset, length)\n  return charsWritten\n}\n\nfunction _binaryWrite (buf, string, offset, length) {\n  return _asciiWrite(buf, string, offset, length)\n}\n\nfunction _base64Write (buf, string, offset, length) {\n  var charsWritten = Buffer._charsWritten =\n    blitBuffer(base64ToBytes(string), buf, offset, length)\n  return charsWritten\n}\n\nfunction _utf16leWrite (buf, string, offset, length) {\n  var charsWritten = Buffer._charsWritten =\n    blitBuffer(utf16leToBytes(string), buf, offset, length)\n  return charsWritten\n}\n\nBuffer.prototype.write = function (string, offset, length, encoding) {\n  // Support both (string, offset, length, encoding)\n  // and the legacy (string, encoding, offset, length)\n  if (isFinite(offset)) {\n    if (!isFinite(length)) {\n      encoding = length\n      length = undefined\n    }\n  } else {  // legacy\n    var swap = encoding\n    encoding = offset\n    offset = length\n    length = swap\n  }\n\n  offset = Number(offset) || 0\n  var remaining = this.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n  encoding = String(encoding || 'utf8').toLowerCase()\n\n  var ret\n  switch (encoding) {\n    case 'hex':\n      ret = _hexWrite(this, string, offset, length)\n      break\n    case 'utf8':\n    case 'utf-8':\n      ret = _utf8Write(this, string, offset, length)\n      break\n    case 'ascii':\n      ret = _asciiWrite(this, string, offset, length)\n      break\n    case 'binary':\n      ret = _binaryWrite(this, string, offset, length)\n      break\n    case 'base64':\n      ret = _base64Write(this, string, offset, length)\n      break\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      ret = _utf16leWrite(this, string, offset, length)\n      break\n    default:\n      throw new Error('Unknown encoding')\n  }\n  return ret\n}\n\nBuffer.prototype.toString = function (encoding, start, end) {\n  var self = this\n\n  encoding = String(encoding || 'utf8').toLowerCase()\n  start = Number(start) || 0\n  end = (end !== undefined)\n    ? Number(end)\n    : end = self.length\n\n  // Fastpath empty strings\n  if (end === start)\n    return ''\n\n  var ret\n  switch (encoding) {\n    case 'hex':\n      ret = _hexSlice(self, start, end)\n      break\n    case 'utf8':\n    case 'utf-8':\n      ret = _utf8Slice(self, start, end)\n      break\n    case 'ascii':\n      ret = _asciiSlice(self, start, end)\n      break\n    case 'binary':\n      ret = _binarySlice(self, start, end)\n      break\n    case 'base64':\n      ret = _base64Slice(self, start, end)\n      break\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      ret = _utf16leSlice(self, start, end)\n      break\n    default:\n      throw new Error('Unknown encoding')\n  }\n  return ret\n}\n\nBuffer.prototype.toJSON = function () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function (target, target_start, start, end) {\n  var source = this\n\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (!target_start) target_start = 0\n\n  // Copy 0 bytes; we're done\n  if (end === start) return\n  if (target.length === 0 || source.length === 0) return\n\n  // Fatal error conditions\n  assert(end >= start, 'sourceEnd < sourceStart')\n  assert(target_start >= 0 && target_start < target.length,\n      'targetStart out of bounds')\n  assert(start >= 0 && start < source.length, 'sourceStart out of bounds')\n  assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length)\n    end = this.length\n  if (target.length - target_start < end - start)\n    end = target.length - target_start + start\n\n  var len = end - start\n\n  if (len < 100 || !Buffer._useTypedArrays) {\n    for (var i = 0; i < len; i++)\n      target[i + target_start] = this[i + start]\n  } else {\n    target._set(this.subarray(start, start + len), target_start)\n  }\n}\n\nfunction _base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction _utf8Slice (buf, start, end) {\n  var res = ''\n  var tmp = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; i++) {\n    if (buf[i] <= 0x7F) {\n      res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i])\n      tmp = ''\n    } else {\n      tmp += '%' + buf[i].toString(16)\n    }\n  }\n\n  return res + decodeUtf8Char(tmp)\n}\n\nfunction _asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; i++)\n    ret += String.fromCharCode(buf[i])\n  return ret\n}\n\nfunction _binarySlice (buf, start, end) {\n  return _asciiSlice(buf, start, end)\n}\n\nfunction _hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; i++) {\n    out += toHex(buf[i])\n  }\n  return out\n}\n\nfunction _utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  for (var i = 0; i < bytes.length; i += 2) {\n    res += String.fromCharCode(bytes[i] + bytes[i+1] * 256)\n  }\n  return res\n}\n\nBuffer.prototype.slice = function (start, end) {\n  var len = this.length\n  start = clamp(start, len, 0)\n  end = clamp(end, len, len)\n\n  if (Buffer._useTypedArrays) {\n    return Buffer._augment(this.subarray(start, end))\n  } else {\n    var sliceLen = end - start\n    var newBuf = new Buffer(sliceLen, undefined, true)\n    for (var i = 0; i < sliceLen; i++) {\n      newBuf[i] = this[i + start]\n    }\n    return newBuf\n  }\n}\n\n// `get` will be removed in Node 0.13+\nBuffer.prototype.get = function (offset) {\n  console.log('.get() is deprecated. Access using array indexes instead.')\n  return this.readUInt8(offset)\n}\n\n// `set` will be removed in Node 0.13+\nBuffer.prototype.set = function (v, offset) {\n  console.log('.set() is deprecated. Access using array indexes instead.')\n  return this.writeUInt8(v, offset)\n}\n\nBuffer.prototype.readUInt8 = function (offset, noAssert) {\n  if (!noAssert) {\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset < this.length, 'Trying to read beyond buffer length')\n  }\n\n  if (offset >= this.length)\n    return\n\n  return this[offset]\n}\n\nfunction _readUInt16 (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 1 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  var val\n  if (littleEndian) {\n    val = buf[offset]\n    if (offset + 1 < len)\n      val |= buf[offset + 1] << 8\n  } else {\n    val = buf[offset] << 8\n    if (offset + 1 < len)\n      val |= buf[offset + 1]\n  }\n  return val\n}\n\nBuffer.prototype.readUInt16LE = function (offset, noAssert) {\n  return _readUInt16(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readUInt16BE = function (offset, noAssert) {\n  return _readUInt16(this, offset, false, noAssert)\n}\n\nfunction _readUInt32 (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  var val\n  if (littleEndian) {\n    if (offset + 2 < len)\n      val = buf[offset + 2] << 16\n    if (offset + 1 < len)\n      val |= buf[offset + 1] << 8\n    val |= buf[offset]\n    if (offset + 3 < len)\n      val = val + (buf[offset + 3] << 24 >>> 0)\n  } else {\n    if (offset + 1 < len)\n      val = buf[offset + 1] << 16\n    if (offset + 2 < len)\n      val |= buf[offset + 2] << 8\n    if (offset + 3 < len)\n      val |= buf[offset + 3]\n    val = val + (buf[offset] << 24 >>> 0)\n  }\n  return val\n}\n\nBuffer.prototype.readUInt32LE = function (offset, noAssert) {\n  return _readUInt32(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readUInt32BE = function (offset, noAssert) {\n  return _readUInt32(this, offset, false, noAssert)\n}\n\nBuffer.prototype.readInt8 = function (offset, noAssert) {\n  if (!noAssert) {\n    assert(offset !== undefined && offset !== null,\n        'missing offset')\n    assert(offset < this.length, 'Trying to read beyond buffer length')\n  }\n\n  if (offset >= this.length)\n    return\n\n  var neg = this[offset] & 0x80\n  if (neg)\n    return (0xff - this[offset] + 1) * -1\n  else\n    return this[offset]\n}\n\nfunction _readInt16 (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 1 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  var val = _readUInt16(buf, offset, littleEndian, true)\n  var neg = val & 0x8000\n  if (neg)\n    return (0xffff - val + 1) * -1\n  else\n    return val\n}\n\nBuffer.prototype.readInt16LE = function (offset, noAssert) {\n  return _readInt16(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readInt16BE = function (offset, noAssert) {\n  return _readInt16(this, offset, false, noAssert)\n}\n\nfunction _readInt32 (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  var val = _readUInt32(buf, offset, littleEndian, true)\n  var neg = val & 0x80000000\n  if (neg)\n    return (0xffffffff - val + 1) * -1\n  else\n    return val\n}\n\nBuffer.prototype.readInt32LE = function (offset, noAssert) {\n  return _readInt32(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readInt32BE = function (offset, noAssert) {\n  return _readInt32(this, offset, false, noAssert)\n}\n\nfunction _readFloat (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset + 3 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  return ieee754.read(buf, offset, littleEndian, 23, 4)\n}\n\nBuffer.prototype.readFloatLE = function (offset, noAssert) {\n  return _readFloat(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readFloatBE = function (offset, noAssert) {\n  return _readFloat(this, offset, false, noAssert)\n}\n\nfunction _readDouble (buf, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset + 7 < buf.length, 'Trying to read beyond buffer length')\n  }\n\n  return ieee754.read(buf, offset, littleEndian, 52, 8)\n}\n\nBuffer.prototype.readDoubleLE = function (offset, noAssert) {\n  return _readDouble(this, offset, true, noAssert)\n}\n\nBuffer.prototype.readDoubleBE = function (offset, noAssert) {\n  return _readDouble(this, offset, false, noAssert)\n}\n\nBuffer.prototype.writeUInt8 = function (value, offset, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset < this.length, 'trying to write beyond buffer length')\n    verifuint(value, 0xff)\n  }\n\n  if (offset >= this.length) return\n\n  this[offset] = value\n}\n\nfunction _writeUInt16 (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 1 < buf.length, 'trying to write beyond buffer length')\n    verifuint(value, 0xffff)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) {\n    buf[offset + i] =\n        (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n            (littleEndian ? i : 1 - i) * 8\n  }\n}\n\nBuffer.prototype.writeUInt16LE = function (value, offset, noAssert) {\n  _writeUInt16(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeUInt16BE = function (value, offset, noAssert) {\n  _writeUInt16(this, value, offset, false, noAssert)\n}\n\nfunction _writeUInt32 (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 3 < buf.length, 'trying to write beyond buffer length')\n    verifuint(value, 0xffffffff)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) {\n    buf[offset + i] =\n        (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n  }\n}\n\nBuffer.prototype.writeUInt32LE = function (value, offset, noAssert) {\n  _writeUInt32(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeUInt32BE = function (value, offset, noAssert) {\n  _writeUInt32(this, value, offset, false, noAssert)\n}\n\nBuffer.prototype.writeInt8 = function (value, offset, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset < this.length, 'Trying to write beyond buffer length')\n    verifsint(value, 0x7f, -0x80)\n  }\n\n  if (offset >= this.length)\n    return\n\n  if (value >= 0)\n    this.writeUInt8(value, offset, noAssert)\n  else\n    this.writeUInt8(0xff + value + 1, offset, noAssert)\n}\n\nfunction _writeInt16 (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 1 < buf.length, 'Trying to write beyond buffer length')\n    verifsint(value, 0x7fff, -0x8000)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  if (value >= 0)\n    _writeUInt16(buf, value, offset, littleEndian, noAssert)\n  else\n    _writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert)\n}\n\nBuffer.prototype.writeInt16LE = function (value, offset, noAssert) {\n  _writeInt16(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeInt16BE = function (value, offset, noAssert) {\n  _writeInt16(this, value, offset, false, noAssert)\n}\n\nfunction _writeInt32 (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 3 < buf.length, 'Trying to write beyond buffer length')\n    verifsint(value, 0x7fffffff, -0x80000000)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  if (value >= 0)\n    _writeUInt32(buf, value, offset, littleEndian, noAssert)\n  else\n    _writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert)\n}\n\nBuffer.prototype.writeInt32LE = function (value, offset, noAssert) {\n  _writeInt32(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeInt32BE = function (value, offset, noAssert) {\n  _writeInt32(this, value, offset, false, noAssert)\n}\n\nfunction _writeFloat (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 3 < buf.length, 'Trying to write beyond buffer length')\n    verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n}\n\nBuffer.prototype.writeFloatLE = function (value, offset, noAssert) {\n  _writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function (value, offset, noAssert) {\n  _writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction _writeDouble (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    assert(value !== undefined && value !== null, 'missing value')\n    assert(typeof littleEndian === 'boolean', 'missing or invalid endian')\n    assert(offset !== undefined && offset !== null, 'missing offset')\n    assert(offset + 7 < buf.length,\n        'Trying to write beyond buffer length')\n    verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n\n  var len = buf.length\n  if (offset >= len)\n    return\n\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n}\n\nBuffer.prototype.writeDoubleLE = function (value, offset, noAssert) {\n  _writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function (value, offset, noAssert) {\n  _writeDouble(this, value, offset, false, noAssert)\n}\n\n// fill(value, start=0, end=buffer.length)\nBuffer.prototype.fill = function (value, start, end) {\n  if (!value) value = 0\n  if (!start) start = 0\n  if (!end) end = this.length\n\n  if (typeof value === 'string') {\n    value = value.charCodeAt(0)\n  }\n\n  assert(typeof value === 'number' && !isNaN(value), 'value is not a number')\n  assert(end >= start, 'end < start')\n\n  // Fill 0 bytes; we're done\n  if (end === start) return\n  if (this.length === 0) return\n\n  assert(start >= 0 && start < this.length, 'start out of bounds')\n  assert(end >= 0 && end <= this.length, 'end out of bounds')\n\n  for (var i = start; i < end; i++) {\n    this[i] = value\n  }\n}\n\nBuffer.prototype.inspect = function () {\n  var out = []\n  var len = this.length\n  for (var i = 0; i < len; i++) {\n    out[i] = toHex(this[i])\n    if (i === exports.INSPECT_MAX_BYTES) {\n      out[i + 1] = '...'\n      break\n    }\n  }\n  return '<Buffer ' + out.join(' ') + '>'\n}\n\n/**\n * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.\n * Added in Node 0.12. Only available in browsers that support ArrayBuffer.\n */\nBuffer.prototype.toArrayBuffer = function () {\n  if (typeof Uint8Array !== 'undefined') {\n    if (Buffer._useTypedArrays) {\n      return (new Buffer(this)).buffer\n    } else {\n      var buf = new Uint8Array(this.length)\n      for (var i = 0, len = buf.length; i < len; i += 1)\n        buf[i] = this[i]\n      return buf.buffer\n    }\n  } else {\n    throw new Error('Buffer.toArrayBuffer not supported in this browser')\n  }\n}\n\n// HELPER FUNCTIONS\n// ================\n\nfunction stringtrim (str) {\n  if (str.trim) return str.trim()\n  return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nvar BP = Buffer.prototype\n\n/**\n * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods\n */\nBuffer._augment = function (arr) {\n  arr._isBuffer = true\n\n  // save reference to original Uint8Array get/set methods before overwriting\n  arr._get = arr.get\n  arr._set = arr.set\n\n  // deprecated, will be removed in node 0.13+\n  arr.get = BP.get\n  arr.set = BP.set\n\n  arr.write = BP.write\n  arr.toString = BP.toString\n  arr.toLocaleString = BP.toString\n  arr.toJSON = BP.toJSON\n  arr.copy = BP.copy\n  arr.slice = BP.slice\n  arr.readUInt8 = BP.readUInt8\n  arr.readUInt16LE = BP.readUInt16LE\n  arr.readUInt16BE = BP.readUInt16BE\n  arr.readUInt32LE = BP.readUInt32LE\n  arr.readUInt32BE = BP.readUInt32BE\n  arr.readInt8 = BP.readInt8\n  arr.readInt16LE = BP.readInt16LE\n  arr.readInt16BE = BP.readInt16BE\n  arr.readInt32LE = BP.readInt32LE\n  arr.readInt32BE = BP.readInt32BE\n  arr.readFloatLE = BP.readFloatLE\n  arr.readFloatBE = BP.readFloatBE\n  arr.readDoubleLE = BP.readDoubleLE\n  arr.readDoubleBE = BP.readDoubleBE\n  arr.writeUInt8 = BP.writeUInt8\n  arr.writeUInt16LE = BP.writeUInt16LE\n  arr.writeUInt16BE = BP.writeUInt16BE\n  arr.writeUInt32LE = BP.writeUInt32LE\n  arr.writeUInt32BE = BP.writeUInt32BE\n  arr.writeInt8 = BP.writeInt8\n  arr.writeInt16LE = BP.writeInt16LE\n  arr.writeInt16BE = BP.writeInt16BE\n  arr.writeInt32LE = BP.writeInt32LE\n  arr.writeInt32BE = BP.writeInt32BE\n  arr.writeFloatLE = BP.writeFloatLE\n  arr.writeFloatBE = BP.writeFloatBE\n  arr.writeDoubleLE = BP.writeDoubleLE\n  arr.writeDoubleBE = BP.writeDoubleBE\n  arr.fill = BP.fill\n  arr.inspect = BP.inspect\n  arr.toArrayBuffer = BP.toArrayBuffer\n\n  return arr\n}\n\n// slice(start, end)\nfunction clamp (index, len, defaultValue) {\n  if (typeof index !== 'number') return defaultValue\n  index = ~~index;  // Coerce to integer.\n  if (index >= len) return len\n  if (index >= 0) return index\n  index += len\n  if (index >= 0) return index\n  return 0\n}\n\nfunction coerce (length) {\n  // Coerce length to a number (possibly NaN), round up\n  // in case it's fractional (e.g. 123.456) then do a\n  // double negate to coerce a NaN to 0. Easy, right?\n  length = ~~Math.ceil(+length)\n  return length < 0 ? 0 : length\n}\n\nfunction isArray (subject) {\n  return (Array.isArray || function (subject) {\n    return Object.prototype.toString.call(subject) === '[object Array]'\n  })(subject)\n}\n\nfunction isArrayish (subject) {\n  return isArray(subject) || Buffer.isBuffer(subject) ||\n      subject && typeof subject === 'object' &&\n      typeof subject.length === 'number'\n}\n\nfunction toHex (n) {\n  if (n < 16) return '0' + n.toString(16)\n  return n.toString(16)\n}\n\nfunction utf8ToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; i++) {\n    var b = str.charCodeAt(i)\n    if (b <= 0x7F)\n      byteArray.push(str.charCodeAt(i))\n    else {\n      var start = i\n      if (b >= 0xD800 && b <= 0xDFFF) i++\n      var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%')\n      for (var j = 0; j < h.length; j++)\n        byteArray.push(parseInt(h[j], 16))\n    }\n  }\n  return byteArray\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; i++) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; i++) {\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(str)\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  var pos\n  for (var i = 0; i < length; i++) {\n    if ((i + offset >= dst.length) || (i >= src.length))\n      break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n\nfunction decodeUtf8Char (str) {\n  try {\n    return decodeURIComponent(str)\n  } catch (err) {\n    return String.fromCharCode(0xFFFD) // UTF 8 invalid char\n  }\n}\n\n/*\n * We have to make sure that the value is a valid integer. This means that it\n * is non-negative. It has no fractional component and that it does not\n * exceed the maximum allowed value.\n */\nfunction verifuint (value, max) {\n  assert(typeof value === 'number', 'cannot write a non-number as a number')\n  assert(value >= 0, 'specified a negative value for writing an unsigned value')\n  assert(value <= max, 'value is larger than maximum value for type')\n  assert(Math.floor(value) === value, 'value has a fractional component')\n}\n\nfunction verifsint (value, max, min) {\n  assert(typeof value === 'number', 'cannot write a non-number as a number')\n  assert(value <= max, 'value larger than maximum allowed value')\n  assert(value >= min, 'value smaller than minimum allowed value')\n  assert(Math.floor(value) === value, 'value has a fractional component')\n}\n\nfunction verifIEEE754 (value, max, min) {\n  assert(typeof value === 'number', 'cannot write a non-number as a number')\n  assert(value <= max, 'value larger than maximum allowed value')\n  assert(value >= min, 'value smaller than minimum allowed value')\n}\n\nfunction assert (test, message) {\n  if (!test) throw new Error(message || 'Failed assertion')\n}\n","var objectKeys = require('object-keys');\nvar isArguments = require('is-arguments');\nvar is = require('object-is');\nvar isRegex = require('is-regex');\nvar flags = require('regexp.prototype.flags');\nvar isDate = require('is-date-object');\n\nvar getTime = Date.prototype.getTime;\n\nfunction deepEqual(actual, expected, options) {\n  var opts = options || {};\n\n  // 7.1. All identical values are equivalent, as determined by ===.\n  if (opts.strict ? is(actual, expected) : actual === expected) {\n    return true;\n  }\n\n  // 7.3. Other pairs that do not both pass typeof value == 'object', equivalence is determined by ==.\n  if (!actual || !expected || (typeof actual !== 'object' && typeof expected !== 'object')) {\n    return opts.strict ? is(actual, expected) : actual == expected;\n  }\n\n  /*\n   * 7.4. For all other Object pairs, including Array objects, equivalence is\n   * determined by having the same number of owned properties (as verified\n   * with Object.prototype.hasOwnProperty.call), the same set of keys\n   * (although not necessarily the same order), equivalent values for every\n   * corresponding key, and an identical 'prototype' property. Note: this\n   * accounts for both named and indexed properties on Arrays.\n   */\n  // eslint-disable-next-line no-use-before-define\n  return objEquiv(actual, expected, opts);\n}\n\nfunction isUndefinedOrNull(value) {\n  return value === null || value === undefined;\n}\n\nfunction isBuffer(x) {\n  if (!x || typeof x !== 'object' || typeof x.length !== 'number') {\n    return false;\n  }\n  if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {\n    return false;\n  }\n  if (x.length > 0 && typeof x[0] !== 'number') {\n    return false;\n  }\n  return true;\n}\n\nfunction objEquiv(a, b, opts) {\n  /* eslint max-statements: [2, 50] */\n  var i, key;\n  if (typeof a !== typeof b) { return false; }\n  if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { return false; }\n\n  // an identical 'prototype' property.\n  if (a.prototype !== b.prototype) { return false; }\n\n  if (isArguments(a) !== isArguments(b)) { return false; }\n\n  var aIsRegex = isRegex(a);\n  var bIsRegex = isRegex(b);\n  if (aIsRegex !== bIsRegex) { return false; }\n  if (aIsRegex || bIsRegex) {\n    return a.source === b.source && flags(a) === flags(b);\n  }\n\n  if (isDate(a) && isDate(b)) {\n    return getTime.call(a) === getTime.call(b);\n  }\n\n  var aIsBuffer = isBuffer(a);\n  var bIsBuffer = isBuffer(b);\n  if (aIsBuffer !== bIsBuffer) { return false; }\n  if (aIsBuffer || bIsBuffer) { // && would work too, because both are true or both false here\n    if (a.length !== b.length) { return false; }\n    for (i = 0; i < a.length; i++) {\n      if (a[i] !== b[i]) { return false; }\n    }\n    return true;\n  }\n\n  if (typeof a !== typeof b) { return false; }\n\n  try {\n    var ka = objectKeys(a);\n    var kb = objectKeys(b);\n  } catch (e) { // happens when one is a string literal and the other isn't\n    return false;\n  }\n  // having the same number of owned properties (keys incorporates hasOwnProperty)\n  if (ka.length !== kb.length) { return false; }\n\n  // the same set of keys (although not necessarily the same order),\n  ka.sort();\n  kb.sort();\n  // ~~~cheap key test\n  for (i = ka.length - 1; i >= 0; i--) {\n    if (ka[i] != kb[i]) { return false; }\n  }\n  // equivalent values for every corresponding key, and ~~~possibly expensive deep test\n  for (i = ka.length - 1; i >= 0; i--) {\n    key = ka[i];\n    if (!deepEqual(a[key], b[key], opts)) { return false; }\n  }\n\n  return true;\n}\n\nmodule.exports = deepEqual;\n","'use strict';\n\nvar keys = require('object-keys');\nvar hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';\n\nvar toStr = Object.prototype.toString;\nvar concat = Array.prototype.concat;\nvar origDefineProperty = Object.defineProperty;\n\nvar isFunction = function (fn) {\n\treturn typeof fn === 'function' && toStr.call(fn) === '[object Function]';\n};\n\nvar arePropertyDescriptorsSupported = function () {\n\tvar obj = {};\n\ttry {\n\t\torigDefineProperty(obj, 'x', { enumerable: false, value: obj });\n\t\t// eslint-disable-next-line no-unused-vars, no-restricted-syntax\n\t\tfor (var _ in obj) { // jscs:ignore disallowUnusedVariables\n\t\t\treturn false;\n\t\t}\n\t\treturn obj.x === obj;\n\t} catch (e) { /* this is IE 8. */\n\t\treturn false;\n\t}\n};\nvar supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported();\n\nvar defineProperty = function (object, name, value, predicate) {\n\tif (name in object && (!isFunction(predicate) || !predicate())) {\n\t\treturn;\n\t}\n\tif (supportsDescriptors) {\n\t\torigDefineProperty(object, name, {\n\t\t\tconfigurable: true,\n\t\t\tenumerable: false,\n\t\t\tvalue: value,\n\t\t\twritable: true\n\t\t});\n\t} else {\n\t\tobject[name] = value;\n\t}\n};\n\nvar defineProperties = function (object, map) {\n\tvar predicates = arguments.length > 2 ? arguments[2] : {};\n\tvar props = keys(map);\n\tif (hasSymbols) {\n\t\tprops = concat.call(props, Object.getOwnPropertySymbols(map));\n\t}\n\tfor (var i = 0; i < props.length; i += 1) {\n\t\tdefineProperty(object, props[i], map[props[i]], predicates[props[i]]);\n\t}\n};\n\ndefineProperties.supportsDescriptors = !!supportsDescriptors;\n\nmodule.exports = defineProperties;\n","module.exports = function () {\n    for (var i = 0; i < arguments.length; i++) {\n        if (arguments[i] !== undefined) return arguments[i];\n    }\n};\n","'use strict';\n\nmodule.exports = require('../5/CheckObjectCoercible');\n","'use strict';\n\nvar $isNaN = require('../helpers/isNaN');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-samevaluezero\n\nmodule.exports = function SameValueZero(x, y) {\n\treturn (x === y) || ($isNaN(x) && $isNaN(y));\n};\n","'use strict';\n\nvar ES5ToInteger = require('../5/ToInteger');\n\nvar ToNumber = require('./ToNumber');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-tointeger\n\nmodule.exports = function ToInteger(value) {\n\tvar number = ToNumber(value);\n\treturn ES5ToInteger(number);\n};\n","'use strict';\n\nvar MAX_SAFE_INTEGER = require('../helpers/maxSafeInteger');\n\nvar ToInteger = require('./ToInteger');\n\nmodule.exports = function ToLength(argument) {\n\tvar len = ToInteger(argument);\n\tif (len <= 0) { return 0; } // includes converting -0 to +0\n\tif (len > MAX_SAFE_INTEGER) { return MAX_SAFE_INTEGER; }\n\treturn len;\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $TypeError = GetIntrinsic('%TypeError%');\nvar $Number = GetIntrinsic('%Number%');\nvar $RegExp = GetIntrinsic('%RegExp%');\nvar $parseInteger = GetIntrinsic('%parseInt%');\n\nvar callBound = require('../helpers/callBound');\nvar regexTester = require('../helpers/regexTester');\nvar isPrimitive = require('../helpers/isPrimitive');\n\nvar $strSlice = callBound('String.prototype.slice');\nvar isBinary = regexTester(/^0b[01]+$/i);\nvar isOctal = regexTester(/^0o[0-7]+$/i);\nvar isInvalidHexLiteral = regexTester(/^[-+]0x[0-9a-f]+$/i);\nvar nonWS = ['\\u0085', '\\u200b', '\\ufffe'].join('');\nvar nonWSregex = new $RegExp('[' + nonWS + ']', 'g');\nvar hasNonWS = regexTester(nonWSregex);\n\n// whitespace from: https://es5.github.io/#x15.5.4.20\n// implementation from https://github.com/es-shims/es5-shim/blob/v3.4.0/es5-shim.js#L1304-L1324\nvar ws = [\n\t'\\x09\\x0A\\x0B\\x0C\\x0D\\x20\\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003',\n\t'\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028',\n\t'\\u2029\\uFEFF'\n].join('');\nvar trimRegex = new RegExp('(^[' + ws + ']+)|([' + ws + ']+$)', 'g');\nvar $replace = callBound('String.prototype.replace');\nvar $trim = function (value) {\n\treturn $replace(value, trimRegex, '');\n};\n\nvar ToPrimitive = require('./ToPrimitive');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-tonumber\n\nmodule.exports = function ToNumber(argument) {\n\tvar value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number);\n\tif (typeof value === 'symbol') {\n\t\tthrow new $TypeError('Cannot convert a Symbol value to a number');\n\t}\n\tif (typeof value === 'string') {\n\t\tif (isBinary(value)) {\n\t\t\treturn ToNumber($parseInteger($strSlice(value, 2), 2));\n\t\t} else if (isOctal(value)) {\n\t\t\treturn ToNumber($parseInteger($strSlice(value, 2), 8));\n\t\t} else if (hasNonWS(value) || isInvalidHexLiteral(value)) {\n\t\t\treturn NaN;\n\t\t} else {\n\t\t\tvar trimmed = $trim(value);\n\t\t\tif (trimmed !== value) {\n\t\t\t\treturn ToNumber(trimmed);\n\t\t\t}\n\t\t}\n\t}\n\treturn $Number(value);\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $Object = GetIntrinsic('%Object%');\n\nvar RequireObjectCoercible = require('./RequireObjectCoercible');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-toobject\n\nmodule.exports = function ToObject(value) {\n\tRequireObjectCoercible(value);\n\treturn $Object(value);\n};\n","'use strict';\n\nvar toPrimitive = require('es-to-primitive/es2015');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive\n\nmodule.exports = function ToPrimitive(input) {\n\tif (arguments.length > 1) {\n\t\treturn toPrimitive(input, arguments[1]);\n\t}\n\treturn toPrimitive(input);\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $String = GetIntrinsic('%String%');\nvar $TypeError = GetIntrinsic('%TypeError%');\n\n// https://www.ecma-international.org/ecma-262/6.0/#sec-tostring\n\nmodule.exports = function ToString(argument) {\n\tif (typeof argument === 'symbol') {\n\t\tthrow new $TypeError('Cannot convert a Symbol value to a string');\n\t}\n\treturn $String(argument);\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $TypeError = GetIntrinsic('%TypeError%');\n\n// http://www.ecma-international.org/ecma-262/5.1/#sec-9.10\n\nmodule.exports = function CheckObjectCoercible(value, optMessage) {\n\tif (value == null) {\n\t\tthrow new $TypeError(optMessage || ('Cannot call method on ' + value));\n\t}\n\treturn value;\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $Math = GetIntrinsic('%Math%');\n\nvar ToNumber = require('./ToNumber');\nvar $isNaN = require('../helpers/isNaN');\nvar $isFinite = require('../helpers/isFinite');\nvar $sign = require('../helpers/sign');\n\nvar $floor = $Math.floor;\nvar $abs = $Math.abs;\n\n// http://www.ecma-international.org/ecma-262/5.1/#sec-9.4\n\nmodule.exports = function ToInteger(value) {\n\tvar number = ToNumber(value);\n\tif ($isNaN(number)) { return 0; }\n\tif (number === 0 || !$isFinite(number)) { return number; }\n\treturn $sign(number) * $floor($abs(number));\n};\n","'use strict';\n\n// http://www.ecma-international.org/ecma-262/5.1/#sec-9.3\n\nmodule.exports = function ToNumber(value) {\n\treturn +value; // eslint-disable-line no-implicit-coercion\n};\n","'use strict';\n\n/* globals\n\tAtomics,\n\tSharedArrayBuffer,\n*/\n\nvar undefined;\n\nvar $TypeError = TypeError;\n\nvar $gOPD = Object.getOwnPropertyDescriptor;\n\nvar throwTypeError = function () { throw new $TypeError(); };\nvar ThrowTypeError = $gOPD\n\t? (function () {\n\t\ttry {\n\t\t\t// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties\n\t\t\targuments.callee; // IE 8 does not throw here\n\t\t\treturn throwTypeError;\n\t\t} catch (calleeThrows) {\n\t\t\ttry {\n\t\t\t\t// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')\n\t\t\t\treturn $gOPD(arguments, 'callee').get;\n\t\t\t} catch (gOPDthrows) {\n\t\t\t\treturn throwTypeError;\n\t\t\t}\n\t\t}\n\t}())\n\t: throwTypeError;\nif ($gOPD) {\n\ttry {\n\t\t$gOPD({}, '');\n\t} catch (e) {\n\t\t$gOPD = null; // this is IE 8, which has a broken gOPD\n\t}\n}\n\nvar hasSymbols = require('has-symbols')();\n\nvar getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto\n\nvar generator; // = function * () {};\nvar generatorFunction = generator ? getProto(generator) : undefined;\nvar asyncFn; // async function() {};\nvar asyncFunction = asyncFn ? asyncFn.constructor : undefined;\nvar asyncGen; // async function * () {};\nvar asyncGenFunction = asyncGen ? getProto(asyncGen) : undefined;\nvar asyncGenIterator = asyncGen ? asyncGen() : undefined;\n\nvar TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array);\n\nvar INTRINSICS = {\n\t'$ %Array%': Array,\n\t'$ %ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,\n\t'$ %ArrayBufferPrototype%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer.prototype,\n\t'$ %ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined,\n\t'$ %ArrayPrototype%': Array.prototype,\n\t'$ %ArrayProto_entries%': Array.prototype.entries,\n\t'$ %ArrayProto_forEach%': Array.prototype.forEach,\n\t'$ %ArrayProto_keys%': Array.prototype.keys,\n\t'$ %ArrayProto_values%': Array.prototype.values,\n\t'$ %AsyncFromSyncIteratorPrototype%': undefined,\n\t'$ %AsyncFunction%': asyncFunction,\n\t'$ %AsyncFunctionPrototype%': asyncFunction ? asyncFunction.prototype : undefined,\n\t'$ %AsyncGenerator%': asyncGen ? getProto(asyncGenIterator) : undefined,\n\t'$ %AsyncGeneratorFunction%': asyncGenFunction,\n\t'$ %AsyncGeneratorPrototype%': asyncGenFunction ? asyncGenFunction.prototype : undefined,\n\t'$ %AsyncIteratorPrototype%': asyncGenIterator && hasSymbols && Symbol.asyncIterator ? asyncGenIterator[Symbol.asyncIterator]() : undefined,\n\t'$ %Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,\n\t'$ %Boolean%': Boolean,\n\t'$ %BooleanPrototype%': Boolean.prototype,\n\t'$ %DataView%': typeof DataView === 'undefined' ? undefined : DataView,\n\t'$ %DataViewPrototype%': typeof DataView === 'undefined' ? undefined : DataView.prototype,\n\t'$ %Date%': Date,\n\t'$ %DatePrototype%': Date.prototype,\n\t'$ %decodeURI%': decodeURI,\n\t'$ %decodeURIComponent%': decodeURIComponent,\n\t'$ %encodeURI%': encodeURI,\n\t'$ %encodeURIComponent%': encodeURIComponent,\n\t'$ %Error%': Error,\n\t'$ %ErrorPrototype%': Error.prototype,\n\t'$ %eval%': eval, // eslint-disable-line no-eval\n\t'$ %EvalError%': EvalError,\n\t'$ %EvalErrorPrototype%': EvalError.prototype,\n\t'$ %Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,\n\t'$ %Float32ArrayPrototype%': typeof Float32Array === 'undefined' ? undefined : Float32Array.prototype,\n\t'$ %Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,\n\t'$ %Float64ArrayPrototype%': typeof Float64Array === 'undefined' ? undefined : Float64Array.prototype,\n\t'$ %Function%': Function,\n\t'$ %FunctionPrototype%': Function.prototype,\n\t'$ %Generator%': generator ? getProto(generator()) : undefined,\n\t'$ %GeneratorFunction%': generatorFunction,\n\t'$ %GeneratorPrototype%': generatorFunction ? generatorFunction.prototype : undefined,\n\t'$ %Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,\n\t'$ %Int8ArrayPrototype%': typeof Int8Array === 'undefined' ? undefined : Int8Array.prototype,\n\t'$ %Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,\n\t'$ %Int16ArrayPrototype%': typeof Int16Array === 'undefined' ? undefined : Int8Array.prototype,\n\t'$ %Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,\n\t'$ %Int32ArrayPrototype%': typeof Int32Array === 'undefined' ? undefined : Int32Array.prototype,\n\t'$ %isFinite%': isFinite,\n\t'$ %isNaN%': isNaN,\n\t'$ %IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined,\n\t'$ %JSON%': typeof JSON === 'object' ? JSON : undefined,\n\t'$ %JSONParse%': typeof JSON === 'object' ? JSON.parse : undefined,\n\t'$ %Map%': typeof Map === 'undefined' ? undefined : Map,\n\t'$ %MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()),\n\t'$ %MapPrototype%': typeof Map === 'undefined' ? undefined : Map.prototype,\n\t'$ %Math%': Math,\n\t'$ %Number%': Number,\n\t'$ %NumberPrototype%': Number.prototype,\n\t'$ %Object%': Object,\n\t'$ %ObjectPrototype%': Object.prototype,\n\t'$ %ObjProto_toString%': Object.prototype.toString,\n\t'$ %ObjProto_valueOf%': Object.prototype.valueOf,\n\t'$ %parseFloat%': parseFloat,\n\t'$ %parseInt%': parseInt,\n\t'$ %Promise%': typeof Promise === 'undefined' ? undefined : Promise,\n\t'$ %PromisePrototype%': typeof Promise === 'undefined' ? undefined : Promise.prototype,\n\t'$ %PromiseProto_then%': typeof Promise === 'undefined' ? undefined : Promise.prototype.then,\n\t'$ %Promise_all%': typeof Promise === 'undefined' ? undefined : Promise.all,\n\t'$ %Promise_reject%': typeof Promise === 'undefined' ? undefined : Promise.reject,\n\t'$ %Promise_resolve%': typeof Promise === 'undefined' ? undefined : Promise.resolve,\n\t'$ %Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,\n\t'$ %RangeError%': RangeError,\n\t'$ %RangeErrorPrototype%': RangeError.prototype,\n\t'$ %ReferenceError%': ReferenceError,\n\t'$ %ReferenceErrorPrototype%': ReferenceError.prototype,\n\t'$ %Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,\n\t'$ %RegExp%': RegExp,\n\t'$ %RegExpPrototype%': RegExp.prototype,\n\t'$ %Set%': typeof Set === 'undefined' ? undefined : Set,\n\t'$ %SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()),\n\t'$ %SetPrototype%': typeof Set === 'undefined' ? undefined : Set.prototype,\n\t'$ %SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,\n\t'$ %SharedArrayBufferPrototype%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer.prototype,\n\t'$ %String%': String,\n\t'$ %StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined,\n\t'$ %StringPrototype%': String.prototype,\n\t'$ %Symbol%': hasSymbols ? Symbol : undefined,\n\t'$ %SymbolPrototype%': hasSymbols ? Symbol.prototype : undefined,\n\t'$ %SyntaxError%': SyntaxError,\n\t'$ %SyntaxErrorPrototype%': SyntaxError.prototype,\n\t'$ %ThrowTypeError%': ThrowTypeError,\n\t'$ %TypedArray%': TypedArray,\n\t'$ %TypedArrayPrototype%': TypedArray ? TypedArray.prototype : undefined,\n\t'$ %TypeError%': $TypeError,\n\t'$ %TypeErrorPrototype%': $TypeError.prototype,\n\t'$ %Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,\n\t'$ %Uint8ArrayPrototype%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array.prototype,\n\t'$ %Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,\n\t'$ %Uint8ClampedArrayPrototype%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray.prototype,\n\t'$ %Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,\n\t'$ %Uint16ArrayPrototype%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array.prototype,\n\t'$ %Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,\n\t'$ %Uint32ArrayPrototype%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array.prototype,\n\t'$ %URIError%': URIError,\n\t'$ %URIErrorPrototype%': URIError.prototype,\n\t'$ %WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,\n\t'$ %WeakMapPrototype%': typeof WeakMap === 'undefined' ? undefined : WeakMap.prototype,\n\t'$ %WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet,\n\t'$ %WeakSetPrototype%': typeof WeakSet === 'undefined' ? undefined : WeakSet.prototype\n};\n\nvar bind = require('function-bind');\nvar $replace = bind.call(Function.call, String.prototype.replace);\n\n/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */\nvar rePropName = /[^%.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|%$))/g;\nvar reEscapeChar = /\\\\(\\\\)?/g; /** Used to match backslashes in property paths. */\nvar stringToPath = function stringToPath(string) {\n\tvar result = [];\n\t$replace(string, rePropName, function (match, number, quote, subString) {\n\t\tresult[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : (number || match);\n\t});\n\treturn result;\n};\n/* end adaptation */\n\nvar getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {\n\tvar key = '$ ' + name;\n\tif (!(key in INTRINSICS)) {\n\t\tthrow new SyntaxError('intrinsic ' + name + ' does not exist!');\n\t}\n\n\t// istanbul ignore if // hopefully this is impossible to test :-)\n\tif (typeof INTRINSICS[key] === 'undefined' && !allowMissing) {\n\t\tthrow new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');\n\t}\n\n\treturn INTRINSICS[key];\n};\n\nmodule.exports = function GetIntrinsic(name, allowMissing) {\n\tif (arguments.length > 1 && typeof allowMissing !== 'boolean') {\n\t\tthrow new TypeError('\"allowMissing\" argument must be a boolean');\n\t}\n\n\tvar parts = stringToPath(name);\n\n\tif (parts.length === 0) {\n\t\treturn getBaseIntrinsic(name, allowMissing);\n\t}\n\n\tvar value = getBaseIntrinsic('%' + parts[0] + '%', allowMissing);\n\tfor (var i = 1; i < parts.length; i += 1) {\n\t\tif (value != null) {\n\t\t\tif ($gOPD && (i + 1) >= parts.length) {\n\t\t\t\tvar desc = $gOPD(value, parts[i]);\n\t\t\t\tvalue = desc ? (desc.get || desc.value) : value[parts[i]];\n\t\t\t} else {\n\t\t\t\tvalue = value[parts[i]];\n\t\t\t}\n\t\t}\n\t}\n\treturn value;\n};\n","'use strict';\n\nvar bind = require('function-bind');\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $Function = GetIntrinsic('%Function%');\nvar $apply = $Function.apply;\nvar $call = $Function.call;\n\nmodule.exports = function callBind() {\n\treturn bind.apply($call, arguments);\n};\n\nmodule.exports.apply = function applyBind() {\n\treturn bind.apply($apply, arguments);\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar callBind = require('./callBind');\n\nvar $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));\n\nmodule.exports = function callBoundIntrinsic(name, allowMissing) {\n\tvar intrinsic = GetIntrinsic(name, !!allowMissing);\n\tif (typeof intrinsic === 'function' && $indexOf(name, '.prototype.')) {\n\t\treturn callBind(intrinsic);\n\t}\n\treturn intrinsic;\n};\n","'use strict';\n\nvar $isNaN = Number.isNaN || function (a) { return a !== a; };\n\nmodule.exports = Number.isFinite || function (x) { return typeof x === 'number' && !$isNaN(x) && x !== Infinity && x !== -Infinity; };\n","'use strict';\n\nmodule.exports = Number.isNaN || function isNaN(a) {\n\treturn a !== a;\n};\n","'use strict';\n\nmodule.exports = function isPrimitive(value) {\n\treturn value === null || (typeof value !== 'function' && typeof value !== 'object');\n};\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $Math = GetIntrinsic('%Math%');\nvar $Number = GetIntrinsic('%Number%');\n\nmodule.exports = $Number.MAX_SAFE_INTEGER || $Math.pow(2, 53) - 1;\n","'use strict';\n\nvar GetIntrinsic = require('../GetIntrinsic');\n\nvar $test = GetIntrinsic('RegExp.prototype.test');\n\nvar callBind = require('./callBind');\n\nmodule.exports = function regexTester(regex) {\n\treturn callBind($test, regex);\n};\n","'use strict';\n\nmodule.exports = function sign(number) {\n\treturn number >= 0 ? 1 : -1;\n};\n","'use strict';\n\nvar hasSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol';\n\nvar isPrimitive = require('./helpers/isPrimitive');\nvar isCallable = require('is-callable');\nvar isDate = require('is-date-object');\nvar isSymbol = require('is-symbol');\n\nvar ordinaryToPrimitive = function OrdinaryToPrimitive(O, hint) {\n\tif (typeof O === 'undefined' || O === null) {\n\t\tthrow new TypeError('Cannot call method on ' + O);\n\t}\n\tif (typeof hint !== 'string' || (hint !== 'number' && hint !== 'string')) {\n\t\tthrow new TypeError('hint must be \"string\" or \"number\"');\n\t}\n\tvar methodNames = hint === 'string' ? ['toString', 'valueOf'] : ['valueOf', 'toString'];\n\tvar method, result, i;\n\tfor (i = 0; i < methodNames.length; ++i) {\n\t\tmethod = O[methodNames[i]];\n\t\tif (isCallable(method)) {\n\t\t\tresult = method.call(O);\n\t\t\tif (isPrimitive(result)) {\n\t\t\t\treturn result;\n\t\t\t}\n\t\t}\n\t}\n\tthrow new TypeError('No default value');\n};\n\nvar GetMethod = function GetMethod(O, P) {\n\tvar func = O[P];\n\tif (func !== null && typeof func !== 'undefined') {\n\t\tif (!isCallable(func)) {\n\t\t\tthrow new TypeError(func + ' returned for property ' + P + ' of object ' + O + ' is not a function');\n\t\t}\n\t\treturn func;\n\t}\n\treturn void 0;\n};\n\n// http://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive\nmodule.exports = function ToPrimitive(input) {\n\tif (isPrimitive(input)) {\n\t\treturn input;\n\t}\n\tvar hint = 'default';\n\tif (arguments.length > 1) {\n\t\tif (arguments[1] === String) {\n\t\t\thint = 'string';\n\t\t} else if (arguments[1] === Number) {\n\t\t\thint = 'number';\n\t\t}\n\t}\n\n\tvar exoticToPrim;\n\tif (hasSymbols) {\n\t\tif (Symbol.toPrimitive) {\n\t\t\texoticToPrim = GetMethod(input, Symbol.toPrimitive);\n\t\t} else if (isSymbol(input)) {\n\t\t\texoticToPrim = Symbol.prototype.valueOf;\n\t\t}\n\t}\n\tif (typeof exoticToPrim !== 'undefined') {\n\t\tvar result = exoticToPrim.call(input, hint);\n\t\tif (isPrimitive(result)) {\n\t\t\treturn result;\n\t\t}\n\t\tthrow new TypeError('unable to convert exotic object to primitive');\n\t}\n\tif (hint === 'default' && (isDate(input) || isSymbol(input))) {\n\t\thint = 'string';\n\t}\n\treturn ordinaryToPrimitive(input, hint === 'default' ? 'number' : hint);\n};\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfunction EventEmitter() {\n  this._events = this._events || {};\n  this._maxListeners = this._maxListeners || undefined;\n}\nmodule.exports = EventEmitter;\n\n// Backwards-compat with node 0.10.x\nEventEmitter.EventEmitter = EventEmitter;\n\nEventEmitter.prototype._events = undefined;\nEventEmitter.prototype._maxListeners = undefined;\n\n// By default EventEmitters will print a warning if more than 10 listeners are\n// added to it. This is a useful default which helps finding memory leaks.\nEventEmitter.defaultMaxListeners = 10;\n\n// Obviously not all Emitters should be limited to 10. This function allows\n// that to be increased. Set to zero for unlimited.\nEventEmitter.prototype.setMaxListeners = function(n) {\n  if (!isNumber(n) || n < 0 || isNaN(n))\n    throw TypeError('n must be a positive number');\n  this._maxListeners = n;\n  return this;\n};\n\nEventEmitter.prototype.emit = function(type) {\n  var er, handler, len, args, i, listeners;\n\n  if (!this._events)\n    this._events = {};\n\n  // If there is no 'error' event listener then throw.\n  if (type === 'error') {\n    if (!this._events.error ||\n        (isObject(this._events.error) && !this._events.error.length)) {\n      er = arguments[1];\n      if (er instanceof Error) {\n        throw er; // Unhandled 'error' event\n      }\n      throw TypeError('Uncaught, unspecified \"error\" event.');\n    }\n  }\n\n  handler = this._events[type];\n\n  if (isUndefined(handler))\n    return false;\n\n  if (isFunction(handler)) {\n    switch (arguments.length) {\n      // fast cases\n      case 1:\n        handler.call(this);\n        break;\n      case 2:\n        handler.call(this, arguments[1]);\n        break;\n      case 3:\n        handler.call(this, arguments[1], arguments[2]);\n        break;\n      // slower\n      default:\n        len = arguments.length;\n        args = new Array(len - 1);\n        for (i = 1; i < len; i++)\n          args[i - 1] = arguments[i];\n        handler.apply(this, args);\n    }\n  } else if (isObject(handler)) {\n    len = arguments.length;\n    args = new Array(len - 1);\n    for (i = 1; i < len; i++)\n      args[i - 1] = arguments[i];\n\n    listeners = handler.slice();\n    len = listeners.length;\n    for (i = 0; i < len; i++)\n      listeners[i].apply(this, args);\n  }\n\n  return true;\n};\n\nEventEmitter.prototype.addListener = function(type, listener) {\n  var m;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events)\n    this._events = {};\n\n  // To avoid recursion in the case that type === \"newListener\"! Before\n  // adding it to the listeners, first emit \"newListener\".\n  if (this._events.newListener)\n    this.emit('newListener', type,\n              isFunction(listener.listener) ?\n              listener.listener : listener);\n\n  if (!this._events[type])\n    // Optimize the case of one listener. Don't need the extra array object.\n    this._events[type] = listener;\n  else if (isObject(this._events[type]))\n    // If we've already got an array, just append.\n    this._events[type].push(listener);\n  else\n    // Adding the second element, need to change to array.\n    this._events[type] = [this._events[type], listener];\n\n  // Check for listener leak\n  if (isObject(this._events[type]) && !this._events[type].warned) {\n    var m;\n    if (!isUndefined(this._maxListeners)) {\n      m = this._maxListeners;\n    } else {\n      m = EventEmitter.defaultMaxListeners;\n    }\n\n    if (m && m > 0 && this._events[type].length > m) {\n      this._events[type].warned = true;\n      console.error('(node) warning: possible EventEmitter memory ' +\n                    'leak detected. %d listeners added. ' +\n                    'Use emitter.setMaxListeners() to increase limit.',\n                    this._events[type].length);\n      if (typeof console.trace === 'function') {\n        // not supported in IE 10\n        console.trace();\n      }\n    }\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.once = function(type, listener) {\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  var fired = false;\n\n  function g() {\n    this.removeListener(type, g);\n\n    if (!fired) {\n      fired = true;\n      listener.apply(this, arguments);\n    }\n  }\n\n  g.listener = listener;\n  this.on(type, g);\n\n  return this;\n};\n\n// emits a 'removeListener' event iff the listener was removed\nEventEmitter.prototype.removeListener = function(type, listener) {\n  var list, position, length, i;\n\n  if (!isFunction(listener))\n    throw TypeError('listener must be a function');\n\n  if (!this._events || !this._events[type])\n    return this;\n\n  list = this._events[type];\n  length = list.length;\n  position = -1;\n\n  if (list === listener ||\n      (isFunction(list.listener) && list.listener === listener)) {\n    delete this._events[type];\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n\n  } else if (isObject(list)) {\n    for (i = length; i-- > 0;) {\n      if (list[i] === listener ||\n          (list[i].listener && list[i].listener === listener)) {\n        position = i;\n        break;\n      }\n    }\n\n    if (position < 0)\n      return this;\n\n    if (list.length === 1) {\n      list.length = 0;\n      delete this._events[type];\n    } else {\n      list.splice(position, 1);\n    }\n\n    if (this._events.removeListener)\n      this.emit('removeListener', type, listener);\n  }\n\n  return this;\n};\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n  var key, listeners;\n\n  if (!this._events)\n    return this;\n\n  // not listening for removeListener, no need to emit\n  if (!this._events.removeListener) {\n    if (arguments.length === 0)\n      this._events = {};\n    else if (this._events[type])\n      delete this._events[type];\n    return this;\n  }\n\n  // emit removeListener for all listeners on all events\n  if (arguments.length === 0) {\n    for (key in this._events) {\n      if (key === 'removeListener') continue;\n      this.removeAllListeners(key);\n    }\n    this.removeAllListeners('removeListener');\n    this._events = {};\n    return this;\n  }\n\n  listeners = this._events[type];\n\n  if (isFunction(listeners)) {\n    this.removeListener(type, listeners);\n  } else {\n    // LIFO order\n    while (listeners.length)\n      this.removeListener(type, listeners[listeners.length - 1]);\n  }\n  delete this._events[type];\n\n  return this;\n};\n\nEventEmitter.prototype.listeners = function(type) {\n  var ret;\n  if (!this._events || !this._events[type])\n    ret = [];\n  else if (isFunction(this._events[type]))\n    ret = [this._events[type]];\n  else\n    ret = this._events[type].slice();\n  return ret;\n};\n\nEventEmitter.listenerCount = function(emitter, type) {\n  var ret;\n  if (!emitter._events || !emitter._events[type])\n    ret = 0;\n  else if (isFunction(emitter._events[type]))\n    ret = 1;\n  else\n    ret = emitter._events[type].length;\n  return ret;\n};\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\n","'use strict';\n\nvar isCallable = require('is-callable');\n\nvar toStr = Object.prototype.toString;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\nvar forEachArray = function forEachArray(array, iterator, receiver) {\n    for (var i = 0, len = array.length; i < len; i++) {\n        if (hasOwnProperty.call(array, i)) {\n            if (receiver == null) {\n                iterator(array[i], i, array);\n            } else {\n                iterator.call(receiver, array[i], i, array);\n            }\n        }\n    }\n};\n\nvar forEachString = function forEachString(string, iterator, receiver) {\n    for (var i = 0, len = string.length; i < len; i++) {\n        // no such thing as a sparse string.\n        if (receiver == null) {\n            iterator(string.charAt(i), i, string);\n        } else {\n            iterator.call(receiver, string.charAt(i), i, string);\n        }\n    }\n};\n\nvar forEachObject = function forEachObject(object, iterator, receiver) {\n    for (var k in object) {\n        if (hasOwnProperty.call(object, k)) {\n            if (receiver == null) {\n                iterator(object[k], k, object);\n            } else {\n                iterator.call(receiver, object[k], k, object);\n            }\n        }\n    }\n};\n\nvar forEach = function forEach(list, iterator, thisArg) {\n    if (!isCallable(iterator)) {\n        throw new TypeError('iterator must be a function');\n    }\n\n    var receiver;\n    if (arguments.length >= 3) {\n        receiver = thisArg;\n    }\n\n    if (toStr.call(list) === '[object Array]') {\n        forEachArray(list, iterator, receiver);\n    } else if (typeof list === 'string') {\n        forEachString(list, iterator, receiver);\n    } else {\n        forEachObject(list, iterator, receiver);\n    }\n};\n\nmodule.exports = forEach;\n","'use strict';\n\n/* eslint no-invalid-this: 1 */\n\nvar ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';\nvar slice = Array.prototype.slice;\nvar toStr = Object.prototype.toString;\nvar funcType = '[object Function]';\n\nmodule.exports = function bind(that) {\n    var target = this;\n    if (typeof target !== 'function' || toStr.call(target) !== funcType) {\n        throw new TypeError(ERROR_MESSAGE + target);\n    }\n    var args = slice.call(arguments, 1);\n\n    var bound;\n    var binder = function () {\n        if (this instanceof bound) {\n            var result = target.apply(\n                this,\n                args.concat(slice.call(arguments))\n            );\n            if (Object(result) === result) {\n                return result;\n            }\n            return this;\n        } else {\n            return target.apply(\n                that,\n                args.concat(slice.call(arguments))\n            );\n        }\n    };\n\n    var boundLength = Math.max(0, target.length - args.length);\n    var boundArgs = [];\n    for (var i = 0; i < boundLength; i++) {\n        boundArgs.push('$' + i);\n    }\n\n    bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);\n\n    if (target.prototype) {\n        var Empty = function Empty() {};\n        Empty.prototype = target.prototype;\n        bound.prototype = new Empty();\n        Empty.prototype = null;\n    }\n\n    return bound;\n};\n","'use strict';\n\nvar implementation = require('./implementation');\n\nmodule.exports = Function.prototype.bind || implementation;\n","'use strict';\n\nvar functionsHaveNames = function functionsHaveNames() {\n\treturn typeof function f() {}.name === 'string';\n};\n\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nfunctionsHaveNames.functionsHaveConfigurableNames = function functionsHaveConfigurableNames() {\n\treturn functionsHaveNames() && gOPD && !!gOPD(function () {}, 'name').configurable;\n};\n\nvar $bind = Function.prototype.bind;\n\nfunctionsHaveNames.boundFunctionsHaveNames = function boundFunctionsHaveNames() {\n\treturn functionsHaveNames() && typeof $bind === 'function' && function f() {}.bind().name !== '';\n};\n\nmodule.exports = functionsHaveNames;\n","(function (global){\n'use strict';\n\nvar origSymbol = global.Symbol;\nvar hasSymbolSham = require('./shams');\n\nmodule.exports = function hasNativeSymbols() {\n\tif (typeof origSymbol !== 'function') { return false; }\n\tif (typeof Symbol !== 'function') { return false; }\n\tif (typeof origSymbol('foo') !== 'symbol') { return false; }\n\tif (typeof Symbol('bar') !== 'symbol') { return false; }\n\n\treturn hasSymbolSham();\n};\n\n}).call(this,typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})","'use strict';\n\n/* eslint complexity: [2, 18], max-statements: [2, 33] */\nmodule.exports = function hasSymbols() {\n\tif (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }\n\tif (typeof Symbol.iterator === 'symbol') { return true; }\n\n\tvar obj = {};\n\tvar sym = Symbol('test');\n\tvar symObj = Object(sym);\n\tif (typeof sym === 'string') { return false; }\n\n\tif (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }\n\tif (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }\n\n\t// temp disabled per https://github.com/ljharb/object.assign/issues/17\n\t// if (sym instanceof Symbol) { return false; }\n\t// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4\n\t// if (!(symObj instanceof Symbol)) { return false; }\n\n\t// if (typeof Symbol.prototype.toString !== 'function') { return false; }\n\t// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }\n\n\tvar symVal = 42;\n\tobj[sym] = symVal;\n\tfor (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax\n\tif (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }\n\n\tif (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }\n\n\tvar syms = Object.getOwnPropertySymbols(obj);\n\tif (syms.length !== 1 || syms[0] !== sym) { return false; }\n\n\tif (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }\n\n\tif (typeof Object.getOwnPropertyDescriptor === 'function') {\n\t\tvar descriptor = Object.getOwnPropertyDescriptor(obj, sym);\n\t\tif (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }\n\t}\n\n\treturn true;\n};\n","'use strict';\n\nvar bind = require('function-bind');\n\nmodule.exports = bind.call(Function.call, Object.prototype.hasOwnProperty);\n","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = ((value * c) - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n","if (typeof Object.create === 'function') {\n  // implementation from standard node.js 'util' module\n  module.exports = function inherits(ctor, superCtor) {\n    if (superCtor) {\n      ctor.super_ = superCtor\n      ctor.prototype = Object.create(superCtor.prototype, {\n        constructor: {\n          value: ctor,\n          enumerable: false,\n          writable: true,\n          configurable: true\n        }\n      })\n    }\n  };\n} else {\n  // old school shim for old browsers\n  module.exports = function inherits(ctor, superCtor) {\n    if (superCtor) {\n      ctor.super_ = superCtor\n      var TempCtor = function () {}\n      TempCtor.prototype = superCtor.prototype\n      ctor.prototype = new TempCtor()\n      ctor.prototype.constructor = ctor\n    }\n  }\n}\n","'use strict';\n\nvar hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\nvar toStr = Object.prototype.toString;\n\nvar isStandardArguments = function isArguments(value) {\n\tif (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) {\n\t\treturn false;\n\t}\n\treturn toStr.call(value) === '[object Arguments]';\n};\n\nvar isLegacyArguments = function isArguments(value) {\n\tif (isStandardArguments(value)) {\n\t\treturn true;\n\t}\n\treturn value !== null &&\n\t\ttypeof value === 'object' &&\n\t\ttypeof value.length === 'number' &&\n\t\tvalue.length >= 0 &&\n\t\ttoStr.call(value) !== '[object Array]' &&\n\t\ttoStr.call(value.callee) === '[object Function]';\n};\n\nvar supportsStandardArguments = (function () {\n\treturn isStandardArguments(arguments);\n}());\n\nisStandardArguments.isLegacyArguments = isLegacyArguments; // for tests\n\nmodule.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments;\n","'use strict';\n\nvar fnToStr = Function.prototype.toString;\n\nvar constructorRegex = /^\\s*class\\b/;\nvar isES6ClassFn = function isES6ClassFunction(value) {\n\ttry {\n\t\tvar fnStr = fnToStr.call(value);\n\t\treturn constructorRegex.test(fnStr);\n\t} catch (e) {\n\t\treturn false; // not a function\n\t}\n};\n\nvar tryFunctionObject = function tryFunctionToStr(value) {\n\ttry {\n\t\tif (isES6ClassFn(value)) { return false; }\n\t\tfnToStr.call(value);\n\t\treturn true;\n\t} catch (e) {\n\t\treturn false;\n\t}\n};\nvar toStr = Object.prototype.toString;\nvar fnClass = '[object Function]';\nvar genClass = '[object GeneratorFunction]';\nvar hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\n\nmodule.exports = function isCallable(value) {\n\tif (!value) { return false; }\n\tif (typeof value !== 'function' && typeof value !== 'object') { return false; }\n\tif (typeof value === 'function' && !value.prototype) { return true; }\n\tif (hasToStringTag) { return tryFunctionObject(value); }\n\tif (isES6ClassFn(value)) { return false; }\n\tvar strClass = toStr.call(value);\n\treturn strClass === fnClass || strClass === genClass;\n};\n","'use strict';\n\nvar getDay = Date.prototype.getDay;\nvar tryDateObject = function tryDateObject(value) {\n\ttry {\n\t\tgetDay.call(value);\n\t\treturn true;\n\t} catch (e) {\n\t\treturn false;\n\t}\n};\n\nvar toStr = Object.prototype.toString;\nvar dateClass = '[object Date]';\nvar hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\n\nmodule.exports = function isDateObject(value) {\n\tif (typeof value !== 'object' || value === null) { return false; }\n\treturn hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass;\n};\n","'use strict';\n\nvar has = require('has');\nvar regexExec = RegExp.prototype.exec;\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nvar tryRegexExecCall = function tryRegexExec(value) {\n\ttry {\n\t\tvar lastIndex = value.lastIndex;\n\t\tvalue.lastIndex = 0;\n\n\t\tregexExec.call(value);\n\t\treturn true;\n\t} catch (e) {\n\t\treturn false;\n\t} finally {\n\t\tvalue.lastIndex = lastIndex;\n\t}\n};\nvar toStr = Object.prototype.toString;\nvar regexClass = '[object RegExp]';\nvar hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\n\nmodule.exports = function isRegex(value) {\n\tif (!value || typeof value !== 'object') {\n\t\treturn false;\n\t}\n\tif (!hasToStringTag) {\n\t\treturn toStr.call(value) === regexClass;\n\t}\n\n\tvar descriptor = gOPD(value, 'lastIndex');\n\tvar hasLastIndexDataProperty = descriptor && has(descriptor, 'value');\n\tif (!hasLastIndexDataProperty) {\n\t\treturn false;\n\t}\n\n\treturn tryRegexExecCall(value);\n};\n","'use strict';\n\nvar toStr = Object.prototype.toString;\nvar hasSymbols = require('has-symbols')();\n\nif (hasSymbols) {\n\tvar symToStr = Symbol.prototype.toString;\n\tvar symStringRegex = /^Symbol\\(.*\\)$/;\n\tvar isSymbolObject = function isRealSymbolObject(value) {\n\t\tif (typeof value.valueOf() !== 'symbol') {\n\t\t\treturn false;\n\t\t}\n\t\treturn symStringRegex.test(symToStr.call(value));\n\t};\n\n\tmodule.exports = function isSymbol(value) {\n\t\tif (typeof value === 'symbol') {\n\t\t\treturn true;\n\t\t}\n\t\tif (toStr.call(value) !== '[object Symbol]') {\n\t\t\treturn false;\n\t\t}\n\t\ttry {\n\t\t\treturn isSymbolObject(value);\n\t\t} catch (e) {\n\t\t\treturn false;\n\t\t}\n\t};\n} else {\n\n\tmodule.exports = function isSymbol(value) {\n\t\t// this environment does not support Symbols.\n\t\treturn false && value;\n\t};\n}\n","var hasMap = typeof Map === 'function' && Map.prototype;\nvar mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;\nvar mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;\nvar mapForEach = hasMap && Map.prototype.forEach;\nvar hasSet = typeof Set === 'function' && Set.prototype;\nvar setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;\nvar setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;\nvar setForEach = hasSet && Set.prototype.forEach;\nvar hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;\nvar weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;\nvar hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;\nvar weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;\nvar booleanValueOf = Boolean.prototype.valueOf;\nvar objectToString = Object.prototype.toString;\nvar match = String.prototype.match;\nvar bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;\n\nvar inspectCustom = require('./util.inspect').custom;\nvar inspectSymbol = inspectCustom && isSymbol(inspectCustom) ? inspectCustom : null;\n\nmodule.exports = function inspect_(obj, options, depth, seen) {\n    var opts = options || {};\n\n    if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) {\n        throw new TypeError('option \"quoteStyle\" must be \"single\" or \"double\"');\n    }\n\n    if (typeof obj === 'undefined') {\n        return 'undefined';\n    }\n    if (obj === null) {\n        return 'null';\n    }\n    if (typeof obj === 'boolean') {\n        return obj ? 'true' : 'false';\n    }\n\n    if (typeof obj === 'string') {\n        return inspectString(obj, opts);\n    }\n    if (typeof obj === 'number') {\n        if (obj === 0) {\n            return Infinity / obj > 0 ? '0' : '-0';\n        }\n        return String(obj);\n    }\n    if (typeof obj === 'bigint') { // eslint-disable-line valid-typeof\n        return String(obj) + 'n';\n    }\n\n    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;\n    if (typeof depth === 'undefined') { depth = 0; }\n    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {\n        return '[Object]';\n    }\n\n    if (typeof seen === 'undefined') {\n        seen = [];\n    } else if (indexOf(seen, obj) >= 0) {\n        return '[Circular]';\n    }\n\n    function inspect(value, from) {\n        if (from) {\n            seen = seen.slice();\n            seen.push(from);\n        }\n        return inspect_(value, opts, depth + 1, seen);\n    }\n\n    if (typeof obj === 'function') {\n        var name = nameOf(obj);\n        return '[Function' + (name ? ': ' + name : '') + ']';\n    }\n    if (isSymbol(obj)) {\n        var symString = Symbol.prototype.toString.call(obj);\n        return typeof obj === 'object' ? markBoxed(symString) : symString;\n    }\n    if (isElement(obj)) {\n        var s = '<' + String(obj.nodeName).toLowerCase();\n        var attrs = obj.attributes || [];\n        for (var i = 0; i < attrs.length; i++) {\n            s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);\n        }\n        s += '>';\n        if (obj.childNodes && obj.childNodes.length) { s += '...'; }\n        s += '</' + String(obj.nodeName).toLowerCase() + '>';\n        return s;\n    }\n    if (isArray(obj)) {\n        if (obj.length === 0) { return '[]'; }\n        return '[ ' + arrObjKeys(obj, inspect).join(', ') + ' ]';\n    }\n    if (isError(obj)) {\n        var parts = arrObjKeys(obj, inspect);\n        if (parts.length === 0) { return '[' + String(obj) + ']'; }\n        return '{ [' + String(obj) + '] ' + parts.join(', ') + ' }';\n    }\n    if (typeof obj === 'object') {\n        if (inspectSymbol && typeof obj[inspectSymbol] === 'function') {\n            return obj[inspectSymbol]();\n        } else if (typeof obj.inspect === 'function') {\n            return obj.inspect();\n        }\n    }\n    if (isMap(obj)) {\n        var mapParts = [];\n        mapForEach.call(obj, function (value, key) {\n            mapParts.push(inspect(key, obj) + ' => ' + inspect(value, obj));\n        });\n        return collectionOf('Map', mapSize.call(obj), mapParts);\n    }\n    if (isSet(obj)) {\n        var setParts = [];\n        setForEach.call(obj, function (value) {\n            setParts.push(inspect(value, obj));\n        });\n        return collectionOf('Set', setSize.call(obj), setParts);\n    }\n    if (isWeakMap(obj)) {\n        return weakCollectionOf('WeakMap');\n    }\n    if (isWeakSet(obj)) {\n        return weakCollectionOf('WeakSet');\n    }\n    if (isNumber(obj)) {\n        return markBoxed(inspect(Number(obj)));\n    }\n    if (isBigInt(obj)) {\n        return markBoxed(inspect(bigIntValueOf.call(obj)));\n    }\n    if (isBoolean(obj)) {\n        return markBoxed(booleanValueOf.call(obj));\n    }\n    if (isString(obj)) {\n        return markBoxed(inspect(String(obj)));\n    }\n    if (!isDate(obj) && !isRegExp(obj)) {\n        var xs = arrObjKeys(obj, inspect);\n        if (xs.length === 0) { return '{}'; }\n        return '{ ' + xs.join(', ') + ' }';\n    }\n    return String(obj);\n};\n\nfunction wrapQuotes(s, defaultStyle, opts) {\n    var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '\"' : \"'\";\n    return quoteChar + s + quoteChar;\n}\n\nfunction quote(s) {\n    return String(s).replace(/\"/g, '&quot;');\n}\n\nfunction isArray(obj) { return toStr(obj) === '[object Array]'; }\nfunction isDate(obj) { return toStr(obj) === '[object Date]'; }\nfunction isRegExp(obj) { return toStr(obj) === '[object RegExp]'; }\nfunction isError(obj) { return toStr(obj) === '[object Error]'; }\nfunction isSymbol(obj) { return toStr(obj) === '[object Symbol]'; }\nfunction isString(obj) { return toStr(obj) === '[object String]'; }\nfunction isNumber(obj) { return toStr(obj) === '[object Number]'; }\nfunction isBigInt(obj) { return toStr(obj) === '[object BigInt]'; }\nfunction isBoolean(obj) { return toStr(obj) === '[object Boolean]'; }\n\nvar hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };\nfunction has(obj, key) {\n    return hasOwn.call(obj, key);\n}\n\nfunction toStr(obj) {\n    return objectToString.call(obj);\n}\n\nfunction nameOf(f) {\n    if (f.name) { return f.name; }\n    var m = match.call(f, /^function\\s*([\\w$]+)/);\n    if (m) { return m[1]; }\n    return null;\n}\n\nfunction indexOf(xs, x) {\n    if (xs.indexOf) { return xs.indexOf(x); }\n    for (var i = 0, l = xs.length; i < l; i++) {\n        if (xs[i] === x) { return i; }\n    }\n    return -1;\n}\n\nfunction isMap(x) {\n    if (!mapSize || !x || typeof x !== 'object') {\n        return false;\n    }\n    try {\n        mapSize.call(x);\n        try {\n            setSize.call(x);\n        } catch (s) {\n            return true;\n        }\n        return x instanceof Map; // core-js workaround, pre-v2.5.0\n    } catch (e) {}\n    return false;\n}\n\nfunction isWeakMap(x) {\n    if (!weakMapHas || !x || typeof x !== 'object') {\n        return false;\n    }\n    try {\n        weakMapHas.call(x, weakMapHas);\n        try {\n            weakSetHas.call(x, weakSetHas);\n        } catch (s) {\n            return true;\n        }\n        return x instanceof WeakMap; // core-js workaround, pre-v2.5.0\n    } catch (e) {}\n    return false;\n}\n\nfunction isSet(x) {\n    if (!setSize || !x || typeof x !== 'object') {\n        return false;\n    }\n    try {\n        setSize.call(x);\n        try {\n            mapSize.call(x);\n        } catch (m) {\n            return true;\n        }\n        return x instanceof Set; // core-js workaround, pre-v2.5.0\n    } catch (e) {}\n    return false;\n}\n\nfunction isWeakSet(x) {\n    if (!weakSetHas || !x || typeof x !== 'object') {\n        return false;\n    }\n    try {\n        weakSetHas.call(x, weakSetHas);\n        try {\n            weakMapHas.call(x, weakMapHas);\n        } catch (s) {\n            return true;\n        }\n        return x instanceof WeakSet; // core-js workaround, pre-v2.5.0\n    } catch (e) {}\n    return false;\n}\n\nfunction isElement(x) {\n    if (!x || typeof x !== 'object') { return false; }\n    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {\n        return true;\n    }\n    return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';\n}\n\nfunction inspectString(str, opts) {\n    // eslint-disable-next-line no-control-regex\n    var s = str.replace(/(['\\\\])/g, '\\\\$1').replace(/[\\x00-\\x1f]/g, lowbyte);\n    return wrapQuotes(s, 'single', opts);\n}\n\nfunction lowbyte(c) {\n    var n = c.charCodeAt(0);\n    var x = {\n        8: 'b', 9: 't', 10: 'n', 12: 'f', 13: 'r'\n    }[n];\n    if (x) { return '\\\\' + x; }\n    return '\\\\x' + (n < 0x10 ? '0' : '') + n.toString(16);\n}\n\nfunction markBoxed(str) {\n    return 'Object(' + str + ')';\n}\n\nfunction weakCollectionOf(type) {\n    return type + ' { ? }';\n}\n\nfunction collectionOf(type, size, entries) {\n    return type + ' (' + size + ') {' + entries.join(', ') + '}';\n}\n\nfunction arrObjKeys(obj, inspect) {\n    var isArr = isArray(obj);\n    var xs = [];\n    if (isArr) {\n        xs.length = obj.length;\n        for (var i = 0; i < obj.length; i++) {\n            xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';\n        }\n    }\n    for (var key in obj) { // eslint-disable-line no-restricted-syntax\n        if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue\n        if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue\n        if ((/[^\\w$]/).test(key)) {\n            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));\n        } else {\n            xs.push(key + ': ' + inspect(obj[key], obj));\n        }\n    }\n    return xs;\n}\n","module.exports = require('util').inspect;\n","'use strict';\n\n// http://www.ecma-international.org/ecma-262/6.0/#sec-object.is\n\nvar numberIsNaN = function (value) {\n\treturn value !== value;\n};\n\nmodule.exports = function is(a, b) {\n\tif (a === 0 && b === 0) {\n\t\treturn 1 / a === 1 / b;\n\t}\n\tif (a === b) {\n\t\treturn true;\n\t}\n\tif (numberIsNaN(a) && numberIsNaN(b)) {\n\t\treturn true;\n\t}\n\treturn false;\n};\n\n","'use strict';\n\nvar keysShim;\nif (!Object.keys) {\n\t// modified from https://github.com/es-shims/es5-shim\n\tvar has = Object.prototype.hasOwnProperty;\n\tvar toStr = Object.prototype.toString;\n\tvar isArgs = require('./isArguments'); // eslint-disable-line global-require\n\tvar isEnumerable = Object.prototype.propertyIsEnumerable;\n\tvar hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');\n\tvar hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');\n\tvar dontEnums = [\n\t\t'toString',\n\t\t'toLocaleString',\n\t\t'valueOf',\n\t\t'hasOwnProperty',\n\t\t'isPrototypeOf',\n\t\t'propertyIsEnumerable',\n\t\t'constructor'\n\t];\n\tvar equalsConstructorPrototype = function (o) {\n\t\tvar ctor = o.constructor;\n\t\treturn ctor && ctor.prototype === o;\n\t};\n\tvar excludedKeys = {\n\t\t$applicationCache: true,\n\t\t$console: true,\n\t\t$external: true,\n\t\t$frame: true,\n\t\t$frameElement: true,\n\t\t$frames: true,\n\t\t$innerHeight: true,\n\t\t$innerWidth: true,\n\t\t$onmozfullscreenchange: true,\n\t\t$onmozfullscreenerror: true,\n\t\t$outerHeight: true,\n\t\t$outerWidth: true,\n\t\t$pageXOffset: true,\n\t\t$pageYOffset: true,\n\t\t$parent: true,\n\t\t$scrollLeft: true,\n\t\t$scrollTop: true,\n\t\t$scrollX: true,\n\t\t$scrollY: true,\n\t\t$self: true,\n\t\t$webkitIndexedDB: true,\n\t\t$webkitStorageInfo: true,\n\t\t$window: true\n\t};\n\tvar hasAutomationEqualityBug = (function () {\n\t\t/* global window */\n\t\tif (typeof window === 'undefined') { return false; }\n\t\tfor (var k in window) {\n\t\t\ttry {\n\t\t\t\tif (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {\n\t\t\t\t\ttry {\n\t\t\t\t\t\tequalsConstructorPrototype(window[k]);\n\t\t\t\t\t} catch (e) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} catch (e) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\t\treturn false;\n\t}());\n\tvar equalsConstructorPrototypeIfNotBuggy = function (o) {\n\t\t/* global window */\n\t\tif (typeof window === 'undefined' || !hasAutomationEqualityBug) {\n\t\t\treturn equalsConstructorPrototype(o);\n\t\t}\n\t\ttry {\n\t\t\treturn equalsConstructorPrototype(o);\n\t\t} catch (e) {\n\t\t\treturn false;\n\t\t}\n\t};\n\n\tkeysShim = function keys(object) {\n\t\tvar isObject = object !== null && typeof object === 'object';\n\t\tvar isFunction = toStr.call(object) === '[object Function]';\n\t\tvar isArguments = isArgs(object);\n\t\tvar isString = isObject && toStr.call(object) === '[object String]';\n\t\tvar theKeys = [];\n\n\t\tif (!isObject && !isFunction && !isArguments) {\n\t\t\tthrow new TypeError('Object.keys called on a non-object');\n\t\t}\n\n\t\tvar skipProto = hasProtoEnumBug && isFunction;\n\t\tif (isString && object.length > 0 && !has.call(object, 0)) {\n\t\t\tfor (var i = 0; i < object.length; ++i) {\n\t\t\t\ttheKeys.push(String(i));\n\t\t\t}\n\t\t}\n\n\t\tif (isArguments && object.length > 0) {\n\t\t\tfor (var j = 0; j < object.length; ++j) {\n\t\t\t\ttheKeys.push(String(j));\n\t\t\t}\n\t\t} else {\n\t\t\tfor (var name in object) {\n\t\t\t\tif (!(skipProto && name === 'prototype') && has.call(object, name)) {\n\t\t\t\t\ttheKeys.push(String(name));\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif (hasDontEnumBug) {\n\t\t\tvar skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);\n\n\t\t\tfor (var k = 0; k < dontEnums.length; ++k) {\n\t\t\t\tif (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {\n\t\t\t\t\ttheKeys.push(dontEnums[k]);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn theKeys;\n\t};\n}\nmodule.exports = keysShim;\n","'use strict';\n\nvar slice = Array.prototype.slice;\nvar isArgs = require('./isArguments');\n\nvar origKeys = Object.keys;\nvar keysShim = origKeys ? function keys(o) { return origKeys(o); } : require('./implementation');\n\nvar originalKeys = Object.keys;\n\nkeysShim.shim = function shimObjectKeys() {\n\tif (Object.keys) {\n\t\tvar keysWorksWithArguments = (function () {\n\t\t\t// Safari 5.0 bug\n\t\t\tvar args = Object.keys(arguments);\n\t\t\treturn args && args.length === arguments.length;\n\t\t}(1, 2));\n\t\tif (!keysWorksWithArguments) {\n\t\t\tObject.keys = function keys(object) { // eslint-disable-line func-name-matching\n\t\t\t\tif (isArgs(object)) {\n\t\t\t\t\treturn originalKeys(slice.call(object));\n\t\t\t\t}\n\t\t\t\treturn originalKeys(object);\n\t\t\t};\n\t\t}\n\t} else {\n\t\tObject.keys = keysShim;\n\t}\n\treturn Object.keys || keysShim;\n};\n\nmodule.exports = keysShim;\n","'use strict';\n\nvar toStr = Object.prototype.toString;\n\nmodule.exports = function isArguments(value) {\n\tvar str = toStr.call(value);\n\tvar isArgs = str === '[object Arguments]';\n\tif (!isArgs) {\n\t\tisArgs = str !== '[object Array]' &&\n\t\t\tvalue !== null &&\n\t\t\ttypeof value === 'object' &&\n\t\t\ttypeof value.length === 'number' &&\n\t\t\tvalue.length >= 0 &&\n\t\t\ttoStr.call(value.callee) === '[object Function]';\n\t}\n\treturn isArgs;\n};\n","(function (process){\n// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,\n// backported and transplited with Babel, with backwards-compat fixes\n\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// resolves . and .. elements in a path array with directory names there\n// must be no slashes, empty elements, or device names (c:\\) in the array\n// (so also no leading and trailing slashes - it does not distinguish\n// relative and absolute paths)\nfunction normalizeArray(parts, allowAboveRoot) {\n  // if the path tries to go above the root, `up` ends up > 0\n  var up = 0;\n  for (var i = parts.length - 1; i >= 0; i--) {\n    var last = parts[i];\n    if (last === '.') {\n      parts.splice(i, 1);\n    } else if (last === '..') {\n      parts.splice(i, 1);\n      up++;\n    } else if (up) {\n      parts.splice(i, 1);\n      up--;\n    }\n  }\n\n  // if the path is allowed to go above the root, restore leading ..s\n  if (allowAboveRoot) {\n    for (; up--; up) {\n      parts.unshift('..');\n    }\n  }\n\n  return parts;\n}\n\n// path.resolve([from ...], to)\n// posix version\nexports.resolve = function() {\n  var resolvedPath = '',\n      resolvedAbsolute = false;\n\n  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {\n    var path = (i >= 0) ? arguments[i] : process.cwd();\n\n    // Skip empty and invalid entries\n    if (typeof path !== 'string') {\n      throw new TypeError('Arguments to path.resolve must be strings');\n    } else if (!path) {\n      continue;\n    }\n\n    resolvedPath = path + '/' + resolvedPath;\n    resolvedAbsolute = path.charAt(0) === '/';\n  }\n\n  // At this point the path should be resolved to a full absolute path, but\n  // handle relative paths to be safe (might happen when process.cwd() fails)\n\n  // Normalize the path\n  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {\n    return !!p;\n  }), !resolvedAbsolute).join('/');\n\n  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';\n};\n\n// path.normalize(path)\n// posix version\nexports.normalize = function(path) {\n  var isAbsolute = exports.isAbsolute(path),\n      trailingSlash = substr(path, -1) === '/';\n\n  // Normalize the path\n  path = normalizeArray(filter(path.split('/'), function(p) {\n    return !!p;\n  }), !isAbsolute).join('/');\n\n  if (!path && !isAbsolute) {\n    path = '.';\n  }\n  if (path && trailingSlash) {\n    path += '/';\n  }\n\n  return (isAbsolute ? '/' : '') + path;\n};\n\n// posix version\nexports.isAbsolute = function(path) {\n  return path.charAt(0) === '/';\n};\n\n// posix version\nexports.join = function() {\n  var paths = Array.prototype.slice.call(arguments, 0);\n  return exports.normalize(filter(paths, function(p, index) {\n    if (typeof p !== 'string') {\n      throw new TypeError('Arguments to path.join must be strings');\n    }\n    return p;\n  }).join('/'));\n};\n\n\n// path.relative(from, to)\n// posix version\nexports.relative = function(from, to) {\n  from = exports.resolve(from).substr(1);\n  to = exports.resolve(to).substr(1);\n\n  function trim(arr) {\n    var start = 0;\n    for (; start < arr.length; start++) {\n      if (arr[start] !== '') break;\n    }\n\n    var end = arr.length - 1;\n    for (; end >= 0; end--) {\n      if (arr[end] !== '') break;\n    }\n\n    if (start > end) return [];\n    return arr.slice(start, end - start + 1);\n  }\n\n  var fromParts = trim(from.split('/'));\n  var toParts = trim(to.split('/'));\n\n  var length = Math.min(fromParts.length, toParts.length);\n  var samePartsLength = length;\n  for (var i = 0; i < length; i++) {\n    if (fromParts[i] !== toParts[i]) {\n      samePartsLength = i;\n      break;\n    }\n  }\n\n  var outputParts = [];\n  for (var i = samePartsLength; i < fromParts.length; i++) {\n    outputParts.push('..');\n  }\n\n  outputParts = outputParts.concat(toParts.slice(samePartsLength));\n\n  return outputParts.join('/');\n};\n\nexports.sep = '/';\nexports.delimiter = ':';\n\nexports.dirname = function (path) {\n  if (typeof path !== 'string') path = path + '';\n  if (path.length === 0) return '.';\n  var code = path.charCodeAt(0);\n  var hasRoot = code === 47 /*/*/;\n  var end = -1;\n  var matchedSlash = true;\n  for (var i = path.length - 1; i >= 1; --i) {\n    code = path.charCodeAt(i);\n    if (code === 47 /*/*/) {\n        if (!matchedSlash) {\n          end = i;\n          break;\n        }\n      } else {\n      // We saw the first non-path separator\n      matchedSlash = false;\n    }\n  }\n\n  if (end === -1) return hasRoot ? '/' : '.';\n  if (hasRoot && end === 1) {\n    // return '//';\n    // Backwards-compat fix:\n    return '/';\n  }\n  return path.slice(0, end);\n};\n\nfunction basename(path) {\n  if (typeof path !== 'string') path = path + '';\n\n  var start = 0;\n  var end = -1;\n  var matchedSlash = true;\n  var i;\n\n  for (i = path.length - 1; i >= 0; --i) {\n    if (path.charCodeAt(i) === 47 /*/*/) {\n        // If we reached a path separator that was not part of a set of path\n        // separators at the end of the string, stop now\n        if (!matchedSlash) {\n          start = i + 1;\n          break;\n        }\n      } else if (end === -1) {\n      // We saw the first non-path separator, mark this as the end of our\n      // path component\n      matchedSlash = false;\n      end = i + 1;\n    }\n  }\n\n  if (end === -1) return '';\n  return path.slice(start, end);\n}\n\n// Uses a mixed approach for backwards-compatibility, as ext behavior changed\n// in new Node.js versions, so only basename() above is backported here\nexports.basename = function (path, ext) {\n  var f = basename(path);\n  if (ext && f.substr(-1 * ext.length) === ext) {\n    f = f.substr(0, f.length - ext.length);\n  }\n  return f;\n};\n\nexports.extname = function (path) {\n  if (typeof path !== 'string') path = path + '';\n  var startDot = -1;\n  var startPart = 0;\n  var end = -1;\n  var matchedSlash = true;\n  // Track the state of characters (if any) we see before our first dot and\n  // after any path separator we find\n  var preDotState = 0;\n  for (var i = path.length - 1; i >= 0; --i) {\n    var code = path.charCodeAt(i);\n    if (code === 47 /*/*/) {\n        // If we reached a path separator that was not part of a set of path\n        // separators at the end of the string, stop now\n        if (!matchedSlash) {\n          startPart = i + 1;\n          break;\n        }\n        continue;\n      }\n    if (end === -1) {\n      // We saw the first non-path separator, mark this as the end of our\n      // extension\n      matchedSlash = false;\n      end = i + 1;\n    }\n    if (code === 46 /*.*/) {\n        // If this is our first dot, mark it as the start of our extension\n        if (startDot === -1)\n          startDot = i;\n        else if (preDotState !== 1)\n          preDotState = 1;\n    } else if (startDot !== -1) {\n      // We saw a non-dot and non-path separator before our dot, so we should\n      // have a good chance at having a non-empty extension\n      preDotState = -1;\n    }\n  }\n\n  if (startDot === -1 || end === -1 ||\n      // We saw a non-dot character immediately before the dot\n      preDotState === 0 ||\n      // The (right-most) trimmed path component is exactly '..'\n      preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n    return '';\n  }\n  return path.slice(startDot, end);\n};\n\nfunction filter (xs, f) {\n    if (xs.filter) return xs.filter(f);\n    var res = [];\n    for (var i = 0; i < xs.length; i++) {\n        if (f(xs[i], i, xs)) res.push(xs[i]);\n    }\n    return res;\n}\n\n// String.prototype.substr - negative index don't work in IE8\nvar substr = 'ab'.substr(-1) === 'b'\n    ? function (str, start, len) { return str.substr(start, len) }\n    : function (str, start, len) {\n        if (start < 0) start = str.length + start;\n        return str.substr(start, len);\n    }\n;\n\n}).call(this,require(\"g5I+bs\"))","// shim for using process in browser\n\nvar process = module.exports = {};\n\nprocess.nextTick = (function () {\n    var canSetImmediate = typeof window !== 'undefined'\n    && window.setImmediate;\n    var canPost = typeof window !== 'undefined'\n    && window.postMessage && window.addEventListener\n    ;\n\n    if (canSetImmediate) {\n        return function (f) { return window.setImmediate(f) };\n    }\n\n    if (canPost) {\n        var queue = [];\n        window.addEventListener('message', function (ev) {\n            var source = ev.source;\n            if ((source === window || source === null) && ev.data === 'process-tick') {\n                ev.stopPropagation();\n                if (queue.length > 0) {\n                    var fn = queue.shift();\n                    fn();\n                }\n            }\n        }, true);\n\n        return function nextTick(fn) {\n            queue.push(fn);\n            window.postMessage('process-tick', '*');\n        };\n    }\n\n    return function nextTick(fn) {\n        setTimeout(fn, 0);\n    };\n})();\n\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n}\n\n// TODO(shtylman)\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\n","'use strict';\n\nvar $Object = Object;\nvar $TypeError = TypeError;\n\nmodule.exports = function flags() {\n\tif (this != null && this !== $Object(this)) {\n\t\tthrow new $TypeError('RegExp.prototype.flags getter called on non-object');\n\t}\n\tvar result = '';\n\tif (this.global) {\n\t\tresult += 'g';\n\t}\n\tif (this.ignoreCase) {\n\t\tresult += 'i';\n\t}\n\tif (this.multiline) {\n\t\tresult += 'm';\n\t}\n\tif (this.dotAll) {\n\t\tresult += 's';\n\t}\n\tif (this.unicode) {\n\t\tresult += 'u';\n\t}\n\tif (this.sticky) {\n\t\tresult += 'y';\n\t}\n\treturn result;\n};\n","'use strict';\n\nvar define = require('define-properties');\nvar callBind = require('es-abstract/helpers/callBind');\n\nvar implementation = require('./implementation');\nvar getPolyfill = require('./polyfill');\nvar shim = require('./shim');\n\nvar flagsBound = callBind(implementation);\n\ndefine(flagsBound, {\n\tgetPolyfill: getPolyfill,\n\timplementation: implementation,\n\tshim: shim\n});\n\nmodule.exports = flagsBound;\n","'use strict';\n\nvar implementation = require('./implementation');\n\nvar supportsDescriptors = require('define-properties').supportsDescriptors;\nvar $gOPD = Object.getOwnPropertyDescriptor;\nvar $TypeError = TypeError;\n\nmodule.exports = function getPolyfill() {\n\tif (!supportsDescriptors) {\n\t\tthrow new $TypeError('RegExp.prototype.flags requires a true ES5 environment that supports property descriptors');\n\t}\n\tif ((/a/mig).flags === 'gim') {\n\t\tvar descriptor = $gOPD(RegExp.prototype, 'flags');\n\t\tif (descriptor && typeof descriptor.get === 'function' && typeof (/a/).dotAll === 'boolean') {\n\t\t\treturn descriptor.get;\n\t\t}\n\t}\n\treturn implementation;\n};\n","'use strict';\n\nvar supportsDescriptors = require('define-properties').supportsDescriptors;\nvar getPolyfill = require('./polyfill');\nvar gOPD = Object.getOwnPropertyDescriptor;\nvar defineProperty = Object.defineProperty;\nvar TypeErr = TypeError;\nvar getProto = Object.getPrototypeOf;\nvar regex = /a/;\n\nmodule.exports = function shimFlags() {\n\tif (!supportsDescriptors || !getProto) {\n\t\tthrow new TypeErr('RegExp.prototype.flags requires a true ES5 environment that supports property descriptors');\n\t}\n\tvar polyfill = getPolyfill();\n\tvar proto = getProto(regex);\n\tvar descriptor = gOPD(proto, 'flags');\n\tif (!descriptor || descriptor.get !== polyfill) {\n\t\tdefineProperty(proto, 'flags', {\n\t\t\tconfigurable: true,\n\t\t\tenumerable: false,\n\t\t\tget: polyfill\n\t\t});\n\t}\n\treturn polyfill;\n};\n","(function (process){\nvar through = require('through');\nvar nextTick = typeof setImmediate !== 'undefined'\n    ? setImmediate\n    : process.nextTick\n;\n\nmodule.exports = function (write, end) {\n    var tr = through(write, end);\n    tr.pause();\n    var resume = tr.resume;\n    var pause = tr.pause;\n    var paused = false;\n    \n    tr.pause = function () {\n        paused = true;\n        return pause.apply(this, arguments);\n    };\n    \n    tr.resume = function () {\n        paused = false;\n        return resume.apply(this, arguments);\n    };\n    \n    nextTick(function () {\n        if (!paused) tr.resume();\n    });\n    \n    return tr;\n};\n\n}).call(this,require(\"g5I+bs\"))","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// a duplex stream is just a stream that is both readable and writable.\n// Since JS doesn't have multiple prototypal inheritance, this class\n// prototypally inherits from Readable, and then parasitically from\n// Writable.\n\nmodule.exports = Duplex;\nvar inherits = require('inherits');\nvar setImmediate = require('process/browser.js').nextTick;\nvar Readable = require('./readable.js');\nvar Writable = require('./writable.js');\n\ninherits(Duplex, Readable);\n\nDuplex.prototype.write = Writable.prototype.write;\nDuplex.prototype.end = Writable.prototype.end;\nDuplex.prototype._write = Writable.prototype._write;\n\nfunction Duplex(options) {\n  if (!(this instanceof Duplex))\n    return new Duplex(options);\n\n  Readable.call(this, options);\n  Writable.call(this, options);\n\n  if (options && options.readable === false)\n    this.readable = false;\n\n  if (options && options.writable === false)\n    this.writable = false;\n\n  this.allowHalfOpen = true;\n  if (options && options.allowHalfOpen === false)\n    this.allowHalfOpen = false;\n\n  this.once('end', onend);\n}\n\n// the no-half-open enforcer\nfunction onend() {\n  // if we allow half-open state, or if the writable side ended,\n  // then we're ok.\n  if (this.allowHalfOpen || this._writableState.ended)\n    return;\n\n  // no more data can be written.\n  // But allow more writes to happen in this tick.\n  var self = this;\n  setImmediate(function () {\n    self.end();\n  });\n}\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nmodule.exports = Stream;\n\nvar EE = require('events').EventEmitter;\nvar inherits = require('inherits');\n\ninherits(Stream, EE);\nStream.Readable = require('./readable.js');\nStream.Writable = require('./writable.js');\nStream.Duplex = require('./duplex.js');\nStream.Transform = require('./transform.js');\nStream.PassThrough = require('./passthrough.js');\n\n// Backwards-compat with node 0.4.x\nStream.Stream = Stream;\n\n\n\n// old-style streams.  Note that the pipe method (the only relevant\n// part of this class) is overridden in the Readable class.\n\nfunction Stream() {\n  EE.call(this);\n}\n\nStream.prototype.pipe = function(dest, options) {\n  var source = this;\n\n  function ondata(chunk) {\n    if (dest.writable) {\n      if (false === dest.write(chunk) && source.pause) {\n        source.pause();\n      }\n    }\n  }\n\n  source.on('data', ondata);\n\n  function ondrain() {\n    if (source.readable && source.resume) {\n      source.resume();\n    }\n  }\n\n  dest.on('drain', ondrain);\n\n  // If the 'end' option is not supplied, dest.end() will be called when\n  // source gets the 'end' or 'close' events.  Only dest.end() once.\n  if (!dest._isStdio && (!options || options.end !== false)) {\n    source.on('end', onend);\n    source.on('close', onclose);\n  }\n\n  var didOnEnd = false;\n  function onend() {\n    if (didOnEnd) return;\n    didOnEnd = true;\n\n    dest.end();\n  }\n\n\n  function onclose() {\n    if (didOnEnd) return;\n    didOnEnd = true;\n\n    if (typeof dest.destroy === 'function') dest.destroy();\n  }\n\n  // don't leave dangling pipes when there are errors.\n  function onerror(er) {\n    cleanup();\n    if (EE.listenerCount(this, 'error') === 0) {\n      throw er; // Unhandled stream error in pipe.\n    }\n  }\n\n  source.on('error', onerror);\n  dest.on('error', onerror);\n\n  // remove all the event listeners that were added.\n  function cleanup() {\n    source.removeListener('data', ondata);\n    dest.removeListener('drain', ondrain);\n\n    source.removeListener('end', onend);\n    source.removeListener('close', onclose);\n\n    source.removeListener('error', onerror);\n    dest.removeListener('error', onerror);\n\n    source.removeListener('end', cleanup);\n    source.removeListener('close', cleanup);\n\n    dest.removeListener('close', cleanup);\n  }\n\n  source.on('end', cleanup);\n  source.on('close', cleanup);\n\n  dest.on('close', cleanup);\n\n  dest.emit('pipe', source);\n\n  // Allow for unix-like usage: A.pipe(B).pipe(C)\n  return dest;\n};\n","// shim for using process in browser\n\nvar process = module.exports = {};\n\nprocess.nextTick = (function () {\n    var canSetImmediate = typeof window !== 'undefined'\n    && window.setImmediate;\n    var canPost = typeof window !== 'undefined'\n    && window.postMessage && window.addEventListener\n    ;\n\n    if (canSetImmediate) {\n        return function (f) { return window.setImmediate(f) };\n    }\n\n    if (canPost) {\n        var queue = [];\n        window.addEventListener('message', function (ev) {\n            var source = ev.source;\n            if ((source === window || source === null) && ev.data === 'process-tick') {\n                ev.stopPropagation();\n                if (queue.length > 0) {\n                    var fn = queue.shift();\n                    fn();\n                }\n            }\n        }, true);\n\n        return function nextTick(fn) {\n            queue.push(fn);\n            window.postMessage('process-tick', '*');\n        };\n    }\n\n    return function nextTick(fn) {\n        setTimeout(fn, 0);\n    };\n})();\n\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n}\n\n// TODO(shtylman)\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// a passthrough stream.\n// basically just the most minimal sort of Transform stream.\n// Every written chunk gets output as-is.\n\nmodule.exports = PassThrough;\n\nvar Transform = require('./transform.js');\nvar inherits = require('inherits');\ninherits(PassThrough, Transform);\n\nfunction PassThrough(options) {\n  if (!(this instanceof PassThrough))\n    return new PassThrough(options);\n\n  Transform.call(this, options);\n}\n\nPassThrough.prototype._transform = function(chunk, encoding, cb) {\n  cb(null, chunk);\n};\n","(function (process){\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nmodule.exports = Readable;\nReadable.ReadableState = ReadableState;\n\nvar EE = require('events').EventEmitter;\nvar Stream = require('./index.js');\nvar Buffer = require('buffer').Buffer;\nvar setImmediate = require('process/browser.js').nextTick;\nvar StringDecoder;\n\nvar inherits = require('inherits');\ninherits(Readable, Stream);\n\nfunction ReadableState(options, stream) {\n  options = options || {};\n\n  // the point at which it stops calling _read() to fill the buffer\n  // Note: 0 is a valid value, means \"don't call _read preemptively ever\"\n  var hwm = options.highWaterMark;\n  this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024;\n\n  // cast to ints.\n  this.highWaterMark = ~~this.highWaterMark;\n\n  this.buffer = [];\n  this.length = 0;\n  this.pipes = null;\n  this.pipesCount = 0;\n  this.flowing = false;\n  this.ended = false;\n  this.endEmitted = false;\n  this.reading = false;\n\n  // In streams that never have any data, and do push(null) right away,\n  // the consumer can miss the 'end' event if they do some I/O before\n  // consuming the stream.  So, we don't emit('end') until some reading\n  // happens.\n  this.calledRead = false;\n\n  // a flag to be able to tell if the onwrite cb is called immediately,\n  // or on a later tick.  We set this to true at first, becuase any\n  // actions that shouldn't happen until \"later\" should generally also\n  // not happen before the first write call.\n  this.sync = true;\n\n  // whenever we return null, then we set a flag to say\n  // that we're awaiting a 'readable' event emission.\n  this.needReadable = false;\n  this.emittedReadable = false;\n  this.readableListening = false;\n\n\n  // object stream flag. Used to make read(n) ignore n and to\n  // make all the buffer merging and length checks go away\n  this.objectMode = !!options.objectMode;\n\n  // Crypto is kind of old and crusty.  Historically, its default string\n  // encoding is 'binary' so we have to make this configurable.\n  // Everything else in the universe uses 'utf8', though.\n  this.defaultEncoding = options.defaultEncoding || 'utf8';\n\n  // when piping, we only care about 'readable' events that happen\n  // after read()ing all the bytes and not getting any pushback.\n  this.ranOut = false;\n\n  // the number of writers that are awaiting a drain event in .pipe()s\n  this.awaitDrain = 0;\n\n  // if true, a maybeReadMore has been scheduled\n  this.readingMore = false;\n\n  this.decoder = null;\n  this.encoding = null;\n  if (options.encoding) {\n    if (!StringDecoder)\n      StringDecoder = require('string_decoder').StringDecoder;\n    this.decoder = new StringDecoder(options.encoding);\n    this.encoding = options.encoding;\n  }\n}\n\nfunction Readable(options) {\n  if (!(this instanceof Readable))\n    return new Readable(options);\n\n  this._readableState = new ReadableState(options, this);\n\n  // legacy\n  this.readable = true;\n\n  Stream.call(this);\n}\n\n// Manually shove something into the read() buffer.\n// This returns true if the highWaterMark has not been hit yet,\n// similar to how Writable.write() returns true if you should\n// write() some more.\nReadable.prototype.push = function(chunk, encoding) {\n  var state = this._readableState;\n\n  if (typeof chunk === 'string' && !state.objectMode) {\n    encoding = encoding || state.defaultEncoding;\n    if (encoding !== state.encoding) {\n      chunk = new Buffer(chunk, encoding);\n      encoding = '';\n    }\n  }\n\n  return readableAddChunk(this, state, chunk, encoding, false);\n};\n\n// Unshift should *always* be something directly out of read()\nReadable.prototype.unshift = function(chunk) {\n  var state = this._readableState;\n  return readableAddChunk(this, state, chunk, '', true);\n};\n\nfunction readableAddChunk(stream, state, chunk, encoding, addToFront) {\n  var er = chunkInvalid(state, chunk);\n  if (er) {\n    stream.emit('error', er);\n  } else if (chunk === null || chunk === undefined) {\n    state.reading = false;\n    if (!state.ended)\n      onEofChunk(stream, state);\n  } else if (state.objectMode || chunk && chunk.length > 0) {\n    if (state.ended && !addToFront) {\n      var e = new Error('stream.push() after EOF');\n      stream.emit('error', e);\n    } else if (state.endEmitted && addToFront) {\n      var e = new Error('stream.unshift() after end event');\n      stream.emit('error', e);\n    } else {\n      if (state.decoder && !addToFront && !encoding)\n        chunk = state.decoder.write(chunk);\n\n      // update the buffer info.\n      state.length += state.objectMode ? 1 : chunk.length;\n      if (addToFront) {\n        state.buffer.unshift(chunk);\n      } else {\n        state.reading = false;\n        state.buffer.push(chunk);\n      }\n\n      if (state.needReadable)\n        emitReadable(stream);\n\n      maybeReadMore(stream, state);\n    }\n  } else if (!addToFront) {\n    state.reading = false;\n  }\n\n  return needMoreData(state);\n}\n\n\n\n// if it's past the high water mark, we can push in some more.\n// Also, if we have no data yet, we can stand some\n// more bytes.  This is to work around cases where hwm=0,\n// such as the repl.  Also, if the push() triggered a\n// readable event, and the user called read(largeNumber) such that\n// needReadable was set, then we ought to push more, so that another\n// 'readable' event will be triggered.\nfunction needMoreData(state) {\n  return !state.ended &&\n         (state.needReadable ||\n          state.length < state.highWaterMark ||\n          state.length === 0);\n}\n\n// backwards compatibility.\nReadable.prototype.setEncoding = function(enc) {\n  if (!StringDecoder)\n    StringDecoder = require('string_decoder').StringDecoder;\n  this._readableState.decoder = new StringDecoder(enc);\n  this._readableState.encoding = enc;\n};\n\n// Don't raise the hwm > 128MB\nvar MAX_HWM = 0x800000;\nfunction roundUpToNextPowerOf2(n) {\n  if (n >= MAX_HWM) {\n    n = MAX_HWM;\n  } else {\n    // Get the next highest power of 2\n    n--;\n    for (var p = 1; p < 32; p <<= 1) n |= n >> p;\n    n++;\n  }\n  return n;\n}\n\nfunction howMuchToRead(n, state) {\n  if (state.length === 0 && state.ended)\n    return 0;\n\n  if (state.objectMode)\n    return n === 0 ? 0 : 1;\n\n  if (isNaN(n) || n === null) {\n    // only flow one buffer at a time\n    if (state.flowing && state.buffer.length)\n      return state.buffer[0].length;\n    else\n      return state.length;\n  }\n\n  if (n <= 0)\n    return 0;\n\n  // If we're asking for more than the target buffer level,\n  // then raise the water mark.  Bump up to the next highest\n  // power of 2, to prevent increasing it excessively in tiny\n  // amounts.\n  if (n > state.highWaterMark)\n    state.highWaterMark = roundUpToNextPowerOf2(n);\n\n  // don't have that much.  return null, unless we've ended.\n  if (n > state.length) {\n    if (!state.ended) {\n      state.needReadable = true;\n      return 0;\n    } else\n      return state.length;\n  }\n\n  return n;\n}\n\n// you can override either this method, or the async _read(n) below.\nReadable.prototype.read = function(n) {\n  var state = this._readableState;\n  state.calledRead = true;\n  var nOrig = n;\n\n  if (typeof n !== 'number' || n > 0)\n    state.emittedReadable = false;\n\n  // if we're doing read(0) to trigger a readable event, but we\n  // already have a bunch of data in the buffer, then just trigger\n  // the 'readable' event and move on.\n  if (n === 0 &&\n      state.needReadable &&\n      (state.length >= state.highWaterMark || state.ended)) {\n    emitReadable(this);\n    return null;\n  }\n\n  n = howMuchToRead(n, state);\n\n  // if we've ended, and we're now clear, then finish it up.\n  if (n === 0 && state.ended) {\n    if (state.length === 0)\n      endReadable(this);\n    return null;\n  }\n\n  // All the actual chunk generation logic needs to be\n  // *below* the call to _read.  The reason is that in certain\n  // synthetic stream cases, such as passthrough streams, _read\n  // may be a completely synchronous operation which may change\n  // the state of the read buffer, providing enough data when\n  // before there was *not* enough.\n  //\n  // So, the steps are:\n  // 1. Figure out what the state of things will be after we do\n  // a read from the buffer.\n  //\n  // 2. If that resulting state will trigger a _read, then call _read.\n  // Note that this may be asynchronous, or synchronous.  Yes, it is\n  // deeply ugly to write APIs this way, but that still doesn't mean\n  // that the Readable class should behave improperly, as streams are\n  // designed to be sync/async agnostic.\n  // Take note if the _read call is sync or async (ie, if the read call\n  // has returned yet), so that we know whether or not it's safe to emit\n  // 'readable' etc.\n  //\n  // 3. Actually pull the requested chunks out of the buffer and return.\n\n  // if we need a readable event, then we need to do some reading.\n  var doRead = state.needReadable;\n\n  // if we currently have less than the highWaterMark, then also read some\n  if (state.length - n <= state.highWaterMark)\n    doRead = true;\n\n  // however, if we've ended, then there's no point, and if we're already\n  // reading, then it's unnecessary.\n  if (state.ended || state.reading)\n    doRead = false;\n\n  if (doRead) {\n    state.reading = true;\n    state.sync = true;\n    // if the length is currently zero, then we *need* a readable event.\n    if (state.length === 0)\n      state.needReadable = true;\n    // call internal read method\n    this._read(state.highWaterMark);\n    state.sync = false;\n  }\n\n  // If _read called its callback synchronously, then `reading`\n  // will be false, and we need to re-evaluate how much data we\n  // can return to the user.\n  if (doRead && !state.reading)\n    n = howMuchToRead(nOrig, state);\n\n  var ret;\n  if (n > 0)\n    ret = fromList(n, state);\n  else\n    ret = null;\n\n  if (ret === null) {\n    state.needReadable = true;\n    n = 0;\n  }\n\n  state.length -= n;\n\n  // If we have nothing in the buffer, then we want to know\n  // as soon as we *do* get something into the buffer.\n  if (state.length === 0 && !state.ended)\n    state.needReadable = true;\n\n  // If we happened to read() exactly the remaining amount in the\n  // buffer, and the EOF has been seen at this point, then make sure\n  // that we emit 'end' on the very next tick.\n  if (state.ended && !state.endEmitted && state.length === 0)\n    endReadable(this);\n\n  return ret;\n};\n\nfunction chunkInvalid(state, chunk) {\n  var er = null;\n  if (!Buffer.isBuffer(chunk) &&\n      'string' !== typeof chunk &&\n      chunk !== null &&\n      chunk !== undefined &&\n      !state.objectMode &&\n      !er) {\n    er = new TypeError('Invalid non-string/buffer chunk');\n  }\n  return er;\n}\n\n\nfunction onEofChunk(stream, state) {\n  if (state.decoder && !state.ended) {\n    var chunk = state.decoder.end();\n    if (chunk && chunk.length) {\n      state.buffer.push(chunk);\n      state.length += state.objectMode ? 1 : chunk.length;\n    }\n  }\n  state.ended = true;\n\n  // if we've ended and we have some data left, then emit\n  // 'readable' now to make sure it gets picked up.\n  if (state.length > 0)\n    emitReadable(stream);\n  else\n    endReadable(stream);\n}\n\n// Don't emit readable right away in sync mode, because this can trigger\n// another read() call => stack overflow.  This way, it might trigger\n// a nextTick recursion warning, but that's not so bad.\nfunction emitReadable(stream) {\n  var state = stream._readableState;\n  state.needReadable = false;\n  if (state.emittedReadable)\n    return;\n\n  state.emittedReadable = true;\n  if (state.sync)\n    setImmediate(function() {\n      emitReadable_(stream);\n    });\n  else\n    emitReadable_(stream);\n}\n\nfunction emitReadable_(stream) {\n  stream.emit('readable');\n}\n\n\n// at this point, the user has presumably seen the 'readable' event,\n// and called read() to consume some data.  that may have triggered\n// in turn another _read(n) call, in which case reading = true if\n// it's in progress.\n// However, if we're not ended, or reading, and the length < hwm,\n// then go ahead and try to read some more preemptively.\nfunction maybeReadMore(stream, state) {\n  if (!state.readingMore) {\n    state.readingMore = true;\n    setImmediate(function() {\n      maybeReadMore_(stream, state);\n    });\n  }\n}\n\nfunction maybeReadMore_(stream, state) {\n  var len = state.length;\n  while (!state.reading && !state.flowing && !state.ended &&\n         state.length < state.highWaterMark) {\n    stream.read(0);\n    if (len === state.length)\n      // didn't get any data, stop spinning.\n      break;\n    else\n      len = state.length;\n  }\n  state.readingMore = false;\n}\n\n// abstract method.  to be overridden in specific implementation classes.\n// call cb(er, data) where data is <= n in length.\n// for virtual (non-string, non-buffer) streams, \"length\" is somewhat\n// arbitrary, and perhaps not very meaningful.\nReadable.prototype._read = function(n) {\n  this.emit('error', new Error('not implemented'));\n};\n\nReadable.prototype.pipe = function(dest, pipeOpts) {\n  var src = this;\n  var state = this._readableState;\n\n  switch (state.pipesCount) {\n    case 0:\n      state.pipes = dest;\n      break;\n    case 1:\n      state.pipes = [state.pipes, dest];\n      break;\n    default:\n      state.pipes.push(dest);\n      break;\n  }\n  state.pipesCount += 1;\n\n  var doEnd = (!pipeOpts || pipeOpts.end !== false) &&\n              dest !== process.stdout &&\n              dest !== process.stderr;\n\n  var endFn = doEnd ? onend : cleanup;\n  if (state.endEmitted)\n    setImmediate(endFn);\n  else\n    src.once('end', endFn);\n\n  dest.on('unpipe', onunpipe);\n  function onunpipe(readable) {\n    if (readable !== src) return;\n    cleanup();\n  }\n\n  function onend() {\n    dest.end();\n  }\n\n  // when the dest drains, it reduces the awaitDrain counter\n  // on the source.  This would be more elegant with a .once()\n  // handler in flow(), but adding and removing repeatedly is\n  // too slow.\n  var ondrain = pipeOnDrain(src);\n  dest.on('drain', ondrain);\n\n  function cleanup() {\n    // cleanup event handlers once the pipe is broken\n    dest.removeListener('close', onclose);\n    dest.removeListener('finish', onfinish);\n    dest.removeListener('drain', ondrain);\n    dest.removeListener('error', onerror);\n    dest.removeListener('unpipe', onunpipe);\n    src.removeListener('end', onend);\n    src.removeListener('end', cleanup);\n\n    // if the reader is waiting for a drain event from this\n    // specific writer, then it would cause it to never start\n    // flowing again.\n    // So, if this is awaiting a drain, then we just call it now.\n    // If we don't know, then assume that we are waiting for one.\n    if (!dest._writableState || dest._writableState.needDrain)\n      ondrain();\n  }\n\n  // if the dest has an error, then stop piping into it.\n  // however, don't suppress the throwing behavior for this.\n  // check for listeners before emit removes one-time listeners.\n  var errListeners = EE.listenerCount(dest, 'error');\n  function onerror(er) {\n    unpipe();\n    if (errListeners === 0 && EE.listenerCount(dest, 'error') === 0)\n      dest.emit('error', er);\n  }\n  dest.once('error', onerror);\n\n  // Both close and finish should trigger unpipe, but only once.\n  function onclose() {\n    dest.removeListener('finish', onfinish);\n    unpipe();\n  }\n  dest.once('close', onclose);\n  function onfinish() {\n    dest.removeListener('close', onclose);\n    unpipe();\n  }\n  dest.once('finish', onfinish);\n\n  function unpipe() {\n    src.unpipe(dest);\n  }\n\n  // tell the dest that it's being piped to\n  dest.emit('pipe', src);\n\n  // start the flow if it hasn't been started already.\n  if (!state.flowing) {\n    // the handler that waits for readable events after all\n    // the data gets sucked out in flow.\n    // This would be easier to follow with a .once() handler\n    // in flow(), but that is too slow.\n    this.on('readable', pipeOnReadable);\n\n    state.flowing = true;\n    setImmediate(function() {\n      flow(src);\n    });\n  }\n\n  return dest;\n};\n\nfunction pipeOnDrain(src) {\n  return function() {\n    var dest = this;\n    var state = src._readableState;\n    state.awaitDrain--;\n    if (state.awaitDrain === 0)\n      flow(src);\n  };\n}\n\nfunction flow(src) {\n  var state = src._readableState;\n  var chunk;\n  state.awaitDrain = 0;\n\n  function write(dest, i, list) {\n    var written = dest.write(chunk);\n    if (false === written) {\n      state.awaitDrain++;\n    }\n  }\n\n  while (state.pipesCount && null !== (chunk = src.read())) {\n\n    if (state.pipesCount === 1)\n      write(state.pipes, 0, null);\n    else\n      forEach(state.pipes, write);\n\n    src.emit('data', chunk);\n\n    // if anyone needs a drain, then we have to wait for that.\n    if (state.awaitDrain > 0)\n      return;\n  }\n\n  // if every destination was unpiped, either before entering this\n  // function, or in the while loop, then stop flowing.\n  //\n  // NB: This is a pretty rare edge case.\n  if (state.pipesCount === 0) {\n    state.flowing = false;\n\n    // if there were data event listeners added, then switch to old mode.\n    if (EE.listenerCount(src, 'data') > 0)\n      emitDataEvents(src);\n    return;\n  }\n\n  // at this point, no one needed a drain, so we just ran out of data\n  // on the next readable event, start it over again.\n  state.ranOut = true;\n}\n\nfunction pipeOnReadable() {\n  if (this._readableState.ranOut) {\n    this._readableState.ranOut = false;\n    flow(this);\n  }\n}\n\n\nReadable.prototype.unpipe = function(dest) {\n  var state = this._readableState;\n\n  // if we're not piping anywhere, then do nothing.\n  if (state.pipesCount === 0)\n    return this;\n\n  // just one destination.  most common case.\n  if (state.pipesCount === 1) {\n    // passed in one, but it's not the right one.\n    if (dest && dest !== state.pipes)\n      return this;\n\n    if (!dest)\n      dest = state.pipes;\n\n    // got a match.\n    state.pipes = null;\n    state.pipesCount = 0;\n    this.removeListener('readable', pipeOnReadable);\n    state.flowing = false;\n    if (dest)\n      dest.emit('unpipe', this);\n    return this;\n  }\n\n  // slow case. multiple pipe destinations.\n\n  if (!dest) {\n    // remove all.\n    var dests = state.pipes;\n    var len = state.pipesCount;\n    state.pipes = null;\n    state.pipesCount = 0;\n    this.removeListener('readable', pipeOnReadable);\n    state.flowing = false;\n\n    for (var i = 0; i < len; i++)\n      dests[i].emit('unpipe', this);\n    return this;\n  }\n\n  // try to find the right one.\n  var i = indexOf(state.pipes, dest);\n  if (i === -1)\n    return this;\n\n  state.pipes.splice(i, 1);\n  state.pipesCount -= 1;\n  if (state.pipesCount === 1)\n    state.pipes = state.pipes[0];\n\n  dest.emit('unpipe', this);\n\n  return this;\n};\n\n// set up data events if they are asked for\n// Ensure readable listeners eventually get something\nReadable.prototype.on = function(ev, fn) {\n  var res = Stream.prototype.on.call(this, ev, fn);\n\n  if (ev === 'data' && !this._readableState.flowing)\n    emitDataEvents(this);\n\n  if (ev === 'readable' && this.readable) {\n    var state = this._readableState;\n    if (!state.readableListening) {\n      state.readableListening = true;\n      state.emittedReadable = false;\n      state.needReadable = true;\n      if (!state.reading) {\n        this.read(0);\n      } else if (state.length) {\n        emitReadable(this, state);\n      }\n    }\n  }\n\n  return res;\n};\nReadable.prototype.addListener = Readable.prototype.on;\n\n// pause() and resume() are remnants of the legacy readable stream API\n// If the user uses them, then switch into old mode.\nReadable.prototype.resume = function() {\n  emitDataEvents(this);\n  this.read(0);\n  this.emit('resume');\n};\n\nReadable.prototype.pause = function() {\n  emitDataEvents(this, true);\n  this.emit('pause');\n};\n\nfunction emitDataEvents(stream, startPaused) {\n  var state = stream._readableState;\n\n  if (state.flowing) {\n    // https://github.com/isaacs/readable-stream/issues/16\n    throw new Error('Cannot switch to old mode now.');\n  }\n\n  var paused = startPaused || false;\n  var readable = false;\n\n  // convert to an old-style stream.\n  stream.readable = true;\n  stream.pipe = Stream.prototype.pipe;\n  stream.on = stream.addListener = Stream.prototype.on;\n\n  stream.on('readable', function() {\n    readable = true;\n\n    var c;\n    while (!paused && (null !== (c = stream.read())))\n      stream.emit('data', c);\n\n    if (c === null) {\n      readable = false;\n      stream._readableState.needReadable = true;\n    }\n  });\n\n  stream.pause = function() {\n    paused = true;\n    this.emit('pause');\n  };\n\n  stream.resume = function() {\n    paused = false;\n    if (readable)\n      setImmediate(function() {\n        stream.emit('readable');\n      });\n    else\n      this.read(0);\n    this.emit('resume');\n  };\n\n  // now make it start, just in case it hadn't already.\n  stream.emit('readable');\n}\n\n// wrap an old-style stream as the async data source.\n// This is *not* part of the readable stream interface.\n// It is an ugly unfortunate mess of history.\nReadable.prototype.wrap = function(stream) {\n  var state = this._readableState;\n  var paused = false;\n\n  var self = this;\n  stream.on('end', function() {\n    if (state.decoder && !state.ended) {\n      var chunk = state.decoder.end();\n      if (chunk && chunk.length)\n        self.push(chunk);\n    }\n\n    self.push(null);\n  });\n\n  stream.on('data', function(chunk) {\n    if (state.decoder)\n      chunk = state.decoder.write(chunk);\n    if (!chunk || !state.objectMode && !chunk.length)\n      return;\n\n    var ret = self.push(chunk);\n    if (!ret) {\n      paused = true;\n      stream.pause();\n    }\n  });\n\n  // proxy all the other methods.\n  // important when wrapping filters and duplexes.\n  for (var i in stream) {\n    if (typeof stream[i] === 'function' &&\n        typeof this[i] === 'undefined') {\n      this[i] = function(method) { return function() {\n        return stream[method].apply(stream, arguments);\n      }}(i);\n    }\n  }\n\n  // proxy certain important events.\n  var events = ['error', 'close', 'destroy', 'pause', 'resume'];\n  forEach(events, function(ev) {\n    stream.on(ev, function (x) {\n      return self.emit.apply(self, ev, x);\n    });\n  });\n\n  // when we try to consume some more bytes, simply unpause the\n  // underlying stream.\n  self._read = function(n) {\n    if (paused) {\n      paused = false;\n      stream.resume();\n    }\n  };\n\n  return self;\n};\n\n\n\n// exposed for testing purposes only.\nReadable._fromList = fromList;\n\n// Pluck off n bytes from an array of buffers.\n// Length is the combined lengths of all the buffers in the list.\nfunction fromList(n, state) {\n  var list = state.buffer;\n  var length = state.length;\n  var stringMode = !!state.decoder;\n  var objectMode = !!state.objectMode;\n  var ret;\n\n  // nothing in the list, definitely empty.\n  if (list.length === 0)\n    return null;\n\n  if (length === 0)\n    ret = null;\n  else if (objectMode)\n    ret = list.shift();\n  else if (!n || n >= length) {\n    // read it all, truncate the array.\n    if (stringMode)\n      ret = list.join('');\n    else\n      ret = Buffer.concat(list, length);\n    list.length = 0;\n  } else {\n    // read just some of it.\n    if (n < list[0].length) {\n      // just take a part of the first list item.\n      // slice is the same for buffers and strings.\n      var buf = list[0];\n      ret = buf.slice(0, n);\n      list[0] = buf.slice(n);\n    } else if (n === list[0].length) {\n      // first list is a perfect match\n      ret = list.shift();\n    } else {\n      // complex case.\n      // we have enough to cover it, but it spans past the first buffer.\n      if (stringMode)\n        ret = '';\n      else\n        ret = new Buffer(n);\n\n      var c = 0;\n      for (var i = 0, l = list.length; i < l && c < n; i++) {\n        var buf = list[0];\n        var cpy = Math.min(n - c, buf.length);\n\n        if (stringMode)\n          ret += buf.slice(0, cpy);\n        else\n          buf.copy(ret, c, 0, cpy);\n\n        if (cpy < buf.length)\n          list[0] = buf.slice(cpy);\n        else\n          list.shift();\n\n        c += cpy;\n      }\n    }\n  }\n\n  return ret;\n}\n\nfunction endReadable(stream) {\n  var state = stream._readableState;\n\n  // If we get here before consuming all the bytes, then that is a\n  // bug in node.  Should never happen.\n  if (state.length > 0)\n    throw new Error('endReadable called on non-empty stream');\n\n  if (!state.endEmitted && state.calledRead) {\n    state.ended = true;\n    setImmediate(function() {\n      // Check that we didn't get one last unshift.\n      if (!state.endEmitted && state.length === 0) {\n        state.endEmitted = true;\n        stream.readable = false;\n        stream.emit('end');\n      }\n    });\n  }\n}\n\nfunction forEach (xs, f) {\n  for (var i = 0, l = xs.length; i < l; i++) {\n    f(xs[i], i);\n  }\n}\n\nfunction indexOf (xs, x) {\n  for (var i = 0, l = xs.length; i < l; i++) {\n    if (xs[i] === x) return i;\n  }\n  return -1;\n}\n\n}).call(this,require(\"g5I+bs\"))","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// a transform stream is a readable/writable stream where you do\n// something with the data.  Sometimes it's called a \"filter\",\n// but that's not a great name for it, since that implies a thing where\n// some bits pass through, and others are simply ignored.  (That would\n// be a valid example of a transform, of course.)\n//\n// While the output is causally related to the input, it's not a\n// necessarily symmetric or synchronous transformation.  For example,\n// a zlib stream might take multiple plain-text writes(), and then\n// emit a single compressed chunk some time in the future.\n//\n// Here's how this works:\n//\n// The Transform stream has all the aspects of the readable and writable\n// stream classes.  When you write(chunk), that calls _write(chunk,cb)\n// internally, and returns false if there's a lot of pending writes\n// buffered up.  When you call read(), that calls _read(n) until\n// there's enough pending readable data buffered up.\n//\n// In a transform stream, the written data is placed in a buffer.  When\n// _read(n) is called, it transforms the queued up data, calling the\n// buffered _write cb's as it consumes chunks.  If consuming a single\n// written chunk would result in multiple output chunks, then the first\n// outputted bit calls the readcb, and subsequent chunks just go into\n// the read buffer, and will cause it to emit 'readable' if necessary.\n//\n// This way, back-pressure is actually determined by the reading side,\n// since _read has to be called to start processing a new chunk.  However,\n// a pathological inflate type of transform can cause excessive buffering\n// here.  For example, imagine a stream where every byte of input is\n// interpreted as an integer from 0-255, and then results in that many\n// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in\n// 1kb of data being output.  In this case, you could write a very small\n// amount of input, and end up with a very large amount of output.  In\n// such a pathological inflating mechanism, there'd be no way to tell\n// the system to stop doing the transform.  A single 4MB write could\n// cause the system to run out of memory.\n//\n// However, even in such a pathological case, only a single written chunk\n// would be consumed, and then the rest would wait (un-transformed) until\n// the results of the previous transformed chunk were consumed.\n\nmodule.exports = Transform;\n\nvar Duplex = require('./duplex.js');\nvar inherits = require('inherits');\ninherits(Transform, Duplex);\n\n\nfunction TransformState(options, stream) {\n  this.afterTransform = function(er, data) {\n    return afterTransform(stream, er, data);\n  };\n\n  this.needTransform = false;\n  this.transforming = false;\n  this.writecb = null;\n  this.writechunk = null;\n}\n\nfunction afterTransform(stream, er, data) {\n  var ts = stream._transformState;\n  ts.transforming = false;\n\n  var cb = ts.writecb;\n\n  if (!cb)\n    return stream.emit('error', new Error('no writecb in Transform class'));\n\n  ts.writechunk = null;\n  ts.writecb = null;\n\n  if (data !== null && data !== undefined)\n    stream.push(data);\n\n  if (cb)\n    cb(er);\n\n  var rs = stream._readableState;\n  rs.reading = false;\n  if (rs.needReadable || rs.length < rs.highWaterMark) {\n    stream._read(rs.highWaterMark);\n  }\n}\n\n\nfunction Transform(options) {\n  if (!(this instanceof Transform))\n    return new Transform(options);\n\n  Duplex.call(this, options);\n\n  var ts = this._transformState = new TransformState(options, this);\n\n  // when the writable side finishes, then flush out anything remaining.\n  var stream = this;\n\n  // start out asking for a readable event once data is transformed.\n  this._readableState.needReadable = true;\n\n  // we have implemented the _read method, and done the other things\n  // that Readable wants before the first _read call, so unset the\n  // sync guard flag.\n  this._readableState.sync = false;\n\n  this.once('finish', function() {\n    if ('function' === typeof this._flush)\n      this._flush(function(er) {\n        done(stream, er);\n      });\n    else\n      done(stream);\n  });\n}\n\nTransform.prototype.push = function(chunk, encoding) {\n  this._transformState.needTransform = false;\n  return Duplex.prototype.push.call(this, chunk, encoding);\n};\n\n// This is the part where you do stuff!\n// override this function in implementation classes.\n// 'chunk' is an input chunk.\n//\n// Call `push(newChunk)` to pass along transformed output\n// to the readable side.  You may call 'push' zero or more times.\n//\n// Call `cb(err)` when you are done with this chunk.  If you pass\n// an error, then that'll put the hurt on the whole operation.  If you\n// never call cb(), then you'll never get another chunk.\nTransform.prototype._transform = function(chunk, encoding, cb) {\n  throw new Error('not implemented');\n};\n\nTransform.prototype._write = function(chunk, encoding, cb) {\n  var ts = this._transformState;\n  ts.writecb = cb;\n  ts.writechunk = chunk;\n  ts.writeencoding = encoding;\n  if (!ts.transforming) {\n    var rs = this._readableState;\n    if (ts.needTransform ||\n        rs.needReadable ||\n        rs.length < rs.highWaterMark)\n      this._read(rs.highWaterMark);\n  }\n};\n\n// Doesn't matter what the args are here.\n// _transform does all the work.\n// That we got here means that the readable side wants more data.\nTransform.prototype._read = function(n) {\n  var ts = this._transformState;\n\n  if (ts.writechunk && ts.writecb && !ts.transforming) {\n    ts.transforming = true;\n    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);\n  } else {\n    // mark that we need a transform, so that any data that comes in\n    // will get processed, now that we've asked for it.\n    ts.needTransform = true;\n  }\n};\n\n\nfunction done(stream, er) {\n  if (er)\n    return stream.emit('error', er);\n\n  // if there's nothing in the write buffer, then that means\n  // that nothing more will ever be provided\n  var ws = stream._writableState;\n  var rs = stream._readableState;\n  var ts = stream._transformState;\n\n  if (ws.length)\n    throw new Error('calling transform done when ws.length != 0');\n\n  if (ts.transforming)\n    throw new Error('calling transform done when still transforming');\n\n  return stream.push(null);\n}\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// A bit simpler than readable streams.\n// Implement an async ._write(chunk, cb), and it'll handle all\n// the drain event emission and buffering.\n\nmodule.exports = Writable;\nWritable.WritableState = WritableState;\n\nvar isUint8Array = typeof Uint8Array !== 'undefined'\n  ? function (x) { return x instanceof Uint8Array }\n  : function (x) {\n    return x && x.constructor && x.constructor.name === 'Uint8Array'\n  }\n;\nvar isArrayBuffer = typeof ArrayBuffer !== 'undefined'\n  ? function (x) { return x instanceof ArrayBuffer }\n  : function (x) {\n    return x && x.constructor && x.constructor.name === 'ArrayBuffer'\n  }\n;\n\nvar inherits = require('inherits');\nvar Stream = require('./index.js');\nvar setImmediate = require('process/browser.js').nextTick;\nvar Buffer = require('buffer').Buffer;\n\ninherits(Writable, Stream);\n\nfunction WriteReq(chunk, encoding, cb) {\n  this.chunk = chunk;\n  this.encoding = encoding;\n  this.callback = cb;\n}\n\nfunction WritableState(options, stream) {\n  options = options || {};\n\n  // the point at which write() starts returning false\n  // Note: 0 is a valid value, means that we always return false if\n  // the entire buffer is not flushed immediately on write()\n  var hwm = options.highWaterMark;\n  this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024;\n\n  // object stream flag to indicate whether or not this stream\n  // contains buffers or objects.\n  this.objectMode = !!options.objectMode;\n\n  // cast to ints.\n  this.highWaterMark = ~~this.highWaterMark;\n\n  this.needDrain = false;\n  // at the start of calling end()\n  this.ending = false;\n  // when end() has been called, and returned\n  this.ended = false;\n  // when 'finish' is emitted\n  this.finished = false;\n\n  // should we decode strings into buffers before passing to _write?\n  // this is here so that some node-core streams can optimize string\n  // handling at a lower level.\n  var noDecode = options.decodeStrings === false;\n  this.decodeStrings = !noDecode;\n\n  // Crypto is kind of old and crusty.  Historically, its default string\n  // encoding is 'binary' so we have to make this configurable.\n  // Everything else in the universe uses 'utf8', though.\n  this.defaultEncoding = options.defaultEncoding || 'utf8';\n\n  // not an actual buffer we keep track of, but a measurement\n  // of how much we're waiting to get pushed to some underlying\n  // socket or file.\n  this.length = 0;\n\n  // a flag to see when we're in the middle of a write.\n  this.writing = false;\n\n  // a flag to be able to tell if the onwrite cb is called immediately,\n  // or on a later tick.  We set this to true at first, becuase any\n  // actions that shouldn't happen until \"later\" should generally also\n  // not happen before the first write call.\n  this.sync = true;\n\n  // a flag to know if we're processing previously buffered items, which\n  // may call the _write() callback in the same tick, so that we don't\n  // end up in an overlapped onwrite situation.\n  this.bufferProcessing = false;\n\n  // the callback that's passed to _write(chunk,cb)\n  this.onwrite = function(er) {\n    onwrite(stream, er);\n  };\n\n  // the callback that the user supplies to write(chunk,encoding,cb)\n  this.writecb = null;\n\n  // the amount that is being written when _write is called.\n  this.writelen = 0;\n\n  this.buffer = [];\n}\n\nfunction Writable(options) {\n  // Writable ctor is applied to Duplexes, though they're not\n  // instanceof Writable, they're instanceof Readable.\n  if (!(this instanceof Writable) && !(this instanceof Stream.Duplex))\n    return new Writable(options);\n\n  this._writableState = new WritableState(options, this);\n\n  // legacy.\n  this.writable = true;\n\n  Stream.call(this);\n}\n\n// Otherwise people can pipe Writable streams, which is just wrong.\nWritable.prototype.pipe = function() {\n  this.emit('error', new Error('Cannot pipe. Not readable.'));\n};\n\n\nfunction writeAfterEnd(stream, state, cb) {\n  var er = new Error('write after end');\n  // TODO: defer error events consistently everywhere, not just the cb\n  stream.emit('error', er);\n  setImmediate(function() {\n    cb(er);\n  });\n}\n\n// If we get something that is not a buffer, string, null, or undefined,\n// and we're not in objectMode, then that's an error.\n// Otherwise stream chunks are all considered to be of length=1, and the\n// watermarks determine how many objects to keep in the buffer, rather than\n// how many bytes or characters.\nfunction validChunk(stream, state, chunk, cb) {\n  var valid = true;\n  if (!Buffer.isBuffer(chunk) &&\n      'string' !== typeof chunk &&\n      chunk !== null &&\n      chunk !== undefined &&\n      !state.objectMode) {\n    var er = new TypeError('Invalid non-string/buffer chunk');\n    stream.emit('error', er);\n    setImmediate(function() {\n      cb(er);\n    });\n    valid = false;\n  }\n  return valid;\n}\n\nWritable.prototype.write = function(chunk, encoding, cb) {\n  var state = this._writableState;\n  var ret = false;\n\n  if (typeof encoding === 'function') {\n    cb = encoding;\n    encoding = null;\n  }\n\n  if (!Buffer.isBuffer(chunk) && isUint8Array(chunk))\n    chunk = new Buffer(chunk);\n  if (isArrayBuffer(chunk) && typeof Uint8Array !== 'undefined')\n    chunk = new Buffer(new Uint8Array(chunk));\n  \n  if (Buffer.isBuffer(chunk))\n    encoding = 'buffer';\n  else if (!encoding)\n    encoding = state.defaultEncoding;\n\n  if (typeof cb !== 'function')\n    cb = function() {};\n\n  if (state.ended)\n    writeAfterEnd(this, state, cb);\n  else if (validChunk(this, state, chunk, cb))\n    ret = writeOrBuffer(this, state, chunk, encoding, cb);\n\n  return ret;\n};\n\nfunction decodeChunk(state, chunk, encoding) {\n  if (!state.objectMode &&\n      state.decodeStrings !== false &&\n      typeof chunk === 'string') {\n    chunk = new Buffer(chunk, encoding);\n  }\n  return chunk;\n}\n\n// if we're already writing something, then just put this\n// in the queue, and wait our turn.  Otherwise, call _write\n// If we return false, then we need a drain event, so set that flag.\nfunction writeOrBuffer(stream, state, chunk, encoding, cb) {\n  chunk = decodeChunk(state, chunk, encoding);\n  var len = state.objectMode ? 1 : chunk.length;\n\n  state.length += len;\n\n  var ret = state.length < state.highWaterMark;\n  state.needDrain = !ret;\n\n  if (state.writing)\n    state.buffer.push(new WriteReq(chunk, encoding, cb));\n  else\n    doWrite(stream, state, len, chunk, encoding, cb);\n\n  return ret;\n}\n\nfunction doWrite(stream, state, len, chunk, encoding, cb) {\n  state.writelen = len;\n  state.writecb = cb;\n  state.writing = true;\n  state.sync = true;\n  stream._write(chunk, encoding, state.onwrite);\n  state.sync = false;\n}\n\nfunction onwriteError(stream, state, sync, er, cb) {\n  if (sync)\n    setImmediate(function() {\n      cb(er);\n    });\n  else\n    cb(er);\n\n  stream.emit('error', er);\n}\n\nfunction onwriteStateUpdate(state) {\n  state.writing = false;\n  state.writecb = null;\n  state.length -= state.writelen;\n  state.writelen = 0;\n}\n\nfunction onwrite(stream, er) {\n  var state = stream._writableState;\n  var sync = state.sync;\n  var cb = state.writecb;\n\n  onwriteStateUpdate(state);\n\n  if (er)\n    onwriteError(stream, state, sync, er, cb);\n  else {\n    // Check if we're actually ready to finish, but don't emit yet\n    var finished = needFinish(stream, state);\n\n    if (!finished && !state.bufferProcessing && state.buffer.length)\n      clearBuffer(stream, state);\n\n    if (sync) {\n      setImmediate(function() {\n        afterWrite(stream, state, finished, cb);\n      });\n    } else {\n      afterWrite(stream, state, finished, cb);\n    }\n  }\n}\n\nfunction afterWrite(stream, state, finished, cb) {\n  if (!finished)\n    onwriteDrain(stream, state);\n  cb();\n  if (finished)\n    finishMaybe(stream, state);\n}\n\n// Must force callback to be called on nextTick, so that we don't\n// emit 'drain' before the write() consumer gets the 'false' return\n// value, and has a chance to attach a 'drain' listener.\nfunction onwriteDrain(stream, state) {\n  if (state.length === 0 && state.needDrain) {\n    state.needDrain = false;\n    stream.emit('drain');\n  }\n}\n\n\n// if there's something in the buffer waiting, then process it\nfunction clearBuffer(stream, state) {\n  state.bufferProcessing = true;\n\n  for (var c = 0; c < state.buffer.length; c++) {\n    var entry = state.buffer[c];\n    var chunk = entry.chunk;\n    var encoding = entry.encoding;\n    var cb = entry.callback;\n    var len = state.objectMode ? 1 : chunk.length;\n\n    doWrite(stream, state, len, chunk, encoding, cb);\n\n    // if we didn't call the onwrite immediately, then\n    // it means that we need to wait until it does.\n    // also, that means that the chunk and cb are currently\n    // being processed, so move the buffer counter past them.\n    if (state.writing) {\n      c++;\n      break;\n    }\n  }\n\n  state.bufferProcessing = false;\n  if (c < state.buffer.length)\n    state.buffer = state.buffer.slice(c);\n  else\n    state.buffer.length = 0;\n}\n\nWritable.prototype._write = function(chunk, encoding, cb) {\n  cb(new Error('not implemented'));\n};\n\nWritable.prototype.end = function(chunk, encoding, cb) {\n  var state = this._writableState;\n\n  if (typeof chunk === 'function') {\n    cb = chunk;\n    chunk = null;\n    encoding = null;\n  } else if (typeof encoding === 'function') {\n    cb = encoding;\n    encoding = null;\n  }\n\n  if (typeof chunk !== 'undefined' && chunk !== null)\n    this.write(chunk, encoding);\n\n  // ignore unnecessary end() calls.\n  if (!state.ending && !state.finished)\n    endWritable(this, state, cb);\n};\n\n\nfunction needFinish(stream, state) {\n  return (state.ending &&\n          state.length === 0 &&\n          !state.finished &&\n          !state.writing);\n}\n\nfunction finishMaybe(stream, state) {\n  var need = needFinish(stream, state);\n  if (need) {\n    state.finished = true;\n    stream.emit('finish');\n  }\n  return need;\n}\n\nfunction endWritable(stream, state, cb) {\n  state.ending = true;\n  finishMaybe(stream, state);\n  if (cb) {\n    if (state.finished)\n      setImmediate(cb);\n    else\n      stream.once('finish', cb);\n  }\n  state.ended = true;\n}\n","'use strict';\n\nvar CheckObjectCoercible = require('es-abstract/5/CheckObjectCoercible');\nvar ToString = require('es-abstract/2019/ToString');\nvar callBound = require('es-abstract/helpers/callBound');\nvar $replace = callBound('String.prototype.replace');\n\n/* eslint-disable no-control-regex */\nvar leftWhitespace = /^[\\x09\\x0A\\x0B\\x0C\\x0D\\x20\\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028\\u2029\\uFEFF]+/;\nvar rightWhitespace = /[\\x09\\x0A\\x0B\\x0C\\x0D\\x20\\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028\\u2029\\uFEFF]+$/;\n/* eslint-enable no-control-regex */\n\nmodule.exports = function trim() {\n\tvar S = ToString(CheckObjectCoercible(this));\n\treturn $replace($replace(S, leftWhitespace, ''), rightWhitespace, '');\n};\n","'use strict';\n\nvar callBind = require('es-abstract/helpers/callBind');\nvar define = require('define-properties');\n\nvar implementation = require('./implementation');\nvar getPolyfill = require('./polyfill');\nvar shim = require('./shim');\n\nvar boundTrim = callBind(getPolyfill());\n\ndefine(boundTrim, {\n\tgetPolyfill: getPolyfill,\n\timplementation: implementation,\n\tshim: shim\n});\n\nmodule.exports = boundTrim;\n","'use strict';\n\nvar implementation = require('./implementation');\n\nvar zeroWidthSpace = '\\u200b';\n\nmodule.exports = function getPolyfill() {\n\tif (String.prototype.trim && zeroWidthSpace.trim() === zeroWidthSpace) {\n\t\treturn String.prototype.trim;\n\t}\n\treturn implementation;\n};\n","'use strict';\n\nvar define = require('define-properties');\nvar getPolyfill = require('./polyfill');\n\nmodule.exports = function shimStringTrim() {\n\tvar polyfill = getPolyfill();\n\tdefine(String.prototype, { trim: polyfill }, {\n\t\ttrim: function testTrim() {\n\t\t\treturn String.prototype.trim !== polyfill;\n\t\t}\n\t});\n\treturn polyfill;\n};\n","// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar Buffer = require('buffer').Buffer;\n\nfunction assertEncoding(encoding) {\n  if (encoding && !Buffer.isEncoding(encoding)) {\n    throw new Error('Unknown encoding: ' + encoding);\n  }\n}\n\nvar StringDecoder = exports.StringDecoder = function(encoding) {\n  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');\n  assertEncoding(encoding);\n  switch (this.encoding) {\n    case 'utf8':\n      // CESU-8 represents each of Surrogate Pair by 3-bytes\n      this.surrogateSize = 3;\n      break;\n    case 'ucs2':\n    case 'utf16le':\n      // UTF-16 represents each of Surrogate Pair by 2-bytes\n      this.surrogateSize = 2;\n      this.detectIncompleteChar = utf16DetectIncompleteChar;\n      break;\n    case 'base64':\n      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.\n      this.surrogateSize = 3;\n      this.detectIncompleteChar = base64DetectIncompleteChar;\n      break;\n    default:\n      this.write = passThroughWrite;\n      return;\n  }\n\n  this.charBuffer = new Buffer(6);\n  this.charReceived = 0;\n  this.charLength = 0;\n};\n\n\nStringDecoder.prototype.write = function(buffer) {\n  var charStr = '';\n  var offset = 0;\n\n  // if our last write ended with an incomplete multibyte character\n  while (this.charLength) {\n    // determine how many remaining bytes this buffer has to offer for this char\n    var i = (buffer.length >= this.charLength - this.charReceived) ?\n                this.charLength - this.charReceived :\n                buffer.length;\n\n    // add the new bytes to the char buffer\n    buffer.copy(this.charBuffer, this.charReceived, offset, i);\n    this.charReceived += (i - offset);\n    offset = i;\n\n    if (this.charReceived < this.charLength) {\n      // still not enough chars in this buffer? wait for more ...\n      return '';\n    }\n\n    // get the character that was split\n    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);\n\n    // lead surrogate (D800-DBFF) is also the incomplete character\n    var charCode = charStr.charCodeAt(charStr.length - 1);\n    if (charCode >= 0xD800 && charCode <= 0xDBFF) {\n      this.charLength += this.surrogateSize;\n      charStr = '';\n      continue;\n    }\n    this.charReceived = this.charLength = 0;\n\n    // if there are no more bytes in this buffer, just emit our char\n    if (i == buffer.length) return charStr;\n\n    // otherwise cut off the characters end from the beginning of this buffer\n    buffer = buffer.slice(i, buffer.length);\n    break;\n  }\n\n  var lenIncomplete = this.detectIncompleteChar(buffer);\n\n  var end = buffer.length;\n  if (this.charLength) {\n    // buffer the incomplete character bytes we got\n    buffer.copy(this.charBuffer, 0, buffer.length - lenIncomplete, end);\n    this.charReceived = lenIncomplete;\n    end -= lenIncomplete;\n  }\n\n  charStr += buffer.toString(this.encoding, 0, end);\n\n  var end = charStr.length - 1;\n  var charCode = charStr.charCodeAt(end);\n  // lead surrogate (D800-DBFF) is also the incomplete character\n  if (charCode >= 0xD800 && charCode <= 0xDBFF) {\n    var size = this.surrogateSize;\n    this.charLength += size;\n    this.charReceived += size;\n    this.charBuffer.copy(this.charBuffer, size, 0, size);\n    this.charBuffer.write(charStr.charAt(charStr.length - 1), this.encoding);\n    return charStr.substring(0, end);\n  }\n\n  // or just emit the charStr\n  return charStr;\n};\n\nStringDecoder.prototype.detectIncompleteChar = function(buffer) {\n  // determine how many bytes we have to check at the end of this buffer\n  var i = (buffer.length >= 3) ? 3 : buffer.length;\n\n  // Figure out if one of the last i bytes of our buffer announces an\n  // incomplete char.\n  for (; i > 0; i--) {\n    var c = buffer[buffer.length - i];\n\n    // See http://en.wikipedia.org/wiki/UTF-8#Description\n\n    // 110XXXXX\n    if (i == 1 && c >> 5 == 0x06) {\n      this.charLength = 2;\n      break;\n    }\n\n    // 1110XXXX\n    if (i <= 2 && c >> 4 == 0x0E) {\n      this.charLength = 3;\n      break;\n    }\n\n    // 11110XXX\n    if (i <= 3 && c >> 3 == 0x1E) {\n      this.charLength = 4;\n      break;\n    }\n  }\n\n  return i;\n};\n\nStringDecoder.prototype.end = function(buffer) {\n  var res = '';\n  if (buffer && buffer.length)\n    res = this.write(buffer);\n\n  if (this.charReceived) {\n    var cr = this.charReceived;\n    var buf = this.charBuffer;\n    var enc = this.encoding;\n    res += buf.slice(0, cr).toString(enc);\n  }\n\n  return res;\n};\n\nfunction passThroughWrite(buffer) {\n  return buffer.toString(this.encoding);\n}\n\nfunction utf16DetectIncompleteChar(buffer) {\n  var incomplete = this.charReceived = buffer.length % 2;\n  this.charLength = incomplete ? 2 : 0;\n  return incomplete;\n}\n\nfunction base64DetectIncompleteChar(buffer) {\n  var incomplete = this.charReceived = buffer.length % 3;\n  this.charLength = incomplete ? 3 : 0;\n  return incomplete;\n}\n","(function (process){\nvar defined = require('defined');\nvar createDefaultStream = require('./lib/default_stream');\nvar Test = require('./lib/test');\nvar createResult = require('./lib/results');\nvar through = require('through');\n\nvar canEmitExit = typeof process !== 'undefined' && process\n    && typeof process.on === 'function' && process.browser !== true\n;\nvar canExit = typeof process !== 'undefined' && process\n    && typeof process.exit === 'function'\n;\n\nvar nextTick = typeof setImmediate !== 'undefined'\n    ? setImmediate\n    : process.nextTick\n;\n\nexports = module.exports = (function () {\n    var harness;\n    var lazyLoad = function () {\n        return getHarness().apply(this, arguments);\n    };\n\n    lazyLoad.only = function () {\n        return getHarness().only.apply(this, arguments);\n    };\n\n    lazyLoad.createStream = function (opts) {\n        if (!opts) opts = {};\n        if (!harness) {\n            var output = through();\n            getHarness({ stream: output, objectMode: opts.objectMode });\n            return output;\n        }\n        return harness.createStream(opts);\n    };\n\n    lazyLoad.onFinish = function () {\n        return getHarness().onFinish.apply(this, arguments);\n    };\n\n    lazyLoad.onFailure = function () {\n        return getHarness().onFailure.apply(this, arguments);\n    };\n\n    lazyLoad.getHarness = getHarness;\n\n    return lazyLoad;\n\n    function getHarness(opts) {\n        if (!opts) opts = {};\n        opts.autoclose = !canEmitExit;\n        if (!harness) harness = createExitHarness(opts);\n        return harness;\n    }\n})();\n\nfunction createExitHarness(conf) {\n    if (!conf) conf = {};\n    var harness = createHarness({\n        autoclose: defined(conf.autoclose, false)\n    });\n\n    var stream = harness.createStream({ objectMode: conf.objectMode });\n    var es = stream.pipe(conf.stream || createDefaultStream());\n    if (canEmitExit) {\n        es.on('error', function (err) { harness._exitCode = 1; });\n    }\n\n    var ended = false;\n    stream.on('end', function () { ended = true; });\n\n    if (conf.exit === false) return harness;\n    if (!canEmitExit || !canExit) return harness;\n\n    process.on('exit', function (code) {\n        // let the process exit cleanly.\n        if (code !== 0) {\n            return;\n        }\n\n        if (!ended) {\n            var only = harness._results._only;\n            for (var i = 0; i < harness._tests.length; i++) {\n                var t = harness._tests[i];\n                if (only && t !== only) continue;\n                t._exit();\n            }\n        }\n        harness.close();\n        process.exit(code || harness._exitCode);\n    });\n\n    return harness;\n}\n\nexports.createHarness = createHarness;\nexports.Test = Test;\nexports.test = exports; // tap compat\nexports.test.skip = Test.skip;\n\nvar exitInterval;\n\nfunction createHarness(conf_) {\n    if (!conf_) conf_ = {};\n    var results = createResult();\n    if (conf_.autoclose !== false) {\n        results.once('done', function () { results.close(); });\n    }\n\n    var test = function (name, conf, cb) {\n        var t = new Test(name, conf, cb);\n        test._tests.push(t);\n\n        (function inspectCode(st) {\n            st.on('test', function sub(st_) {\n                inspectCode(st_);\n            });\n            st.on('result', function (r) {\n                if (!r.todo && !r.ok && typeof r !== 'string') test._exitCode = 1;\n            });\n        })(t);\n\n        results.push(t);\n        return t;\n    };\n    test._results = results;\n\n    test._tests = [];\n\n    test.createStream = function (opts) {\n        return results.createStream(opts);\n    };\n\n    test.onFinish = function (cb) {\n        results.on('done', cb);\n    };\n\n    test.onFailure = function (cb) {\n        results.on('fail', cb);\n    };\n\n    var only = false;\n    test.only = function () {\n        if (only) throw new Error('there can only be one only test');\n        only = true;\n        var t = test.apply(null, arguments);\n        results.only(t);\n        return t;\n    };\n    test._exitCode = 0;\n\n    test.close = function () { results.close(); };\n\n    return test;\n}\n\n}).call(this,require(\"g5I+bs\"))","(function (process){\nvar through = require('through');\nvar fs = require('fs');\n\nmodule.exports = function () {\n    var line = '';\n    var stream = through(write, flush);\n    return stream;\n\n    function write(buf) {\n        for (var i = 0; i < buf.length; i++) {\n            var c = typeof buf === 'string'\n                ? buf.charAt(i)\n                : String.fromCharCode(buf[i])\n            ;\n            if (c === '\\n') flush();\n            else line += c;\n        }\n    }\n\n    function flush() {\n        if (fs.writeSync && /^win/.test(process.platform)) {\n            try { fs.writeSync(1, line + '\\n'); }\n            catch (e) { stream.emit('error', e); }\n        } else {\n            try { console.log(line); }\n            catch (e) { stream.emit('error', e); }\n        }\n        line = '';\n    }\n};\n\n}).call(this,require(\"g5I+bs\"))","(function (process){\nvar defined = require('defined');\nvar EventEmitter = require('events').EventEmitter;\nvar inherits = require('inherits');\nvar through = require('through');\nvar resumer = require('resumer');\nvar inspect = require('object-inspect');\nvar bind = require('function-bind');\nvar has = require('has');\nvar regexpTest = bind.call(Function.call, RegExp.prototype.test);\nvar yamlIndicators = /\\:|\\-|\\?/;\nvar nextTick = typeof setImmediate !== 'undefined'\n    ? setImmediate\n    : process.nextTick\n;\n\nmodule.exports = Results;\ninherits(Results, EventEmitter);\n\nfunction coalesceWhiteSpaces(str) {\n    return String(str).replace(/\\s+/g, ' ');\n}\n\nfunction Results() {\n    if (!(this instanceof Results)) return new Results;\n    this.count = 0;\n    this.fail = 0;\n    this.pass = 0;\n    this.todo = 0;\n    this._stream = through();\n    this.tests = [];\n    this._only = null;\n    this._isRunning = false;\n}\n\nResults.prototype.createStream = function (opts) {\n    if (!opts) opts = {};\n    var self = this;\n    var output, testId = 0;\n    if (opts.objectMode) {\n        output = through();\n        self.on('_push', function ontest(t, extra) {\n            if (!extra) extra = {};\n            var id = testId++;\n            t.once('prerun', function () {\n                var row = {\n                    type: 'test',\n                    name: t.name,\n                    id: id,\n                    skip: t._skip,\n                    todo: t._todo\n                };\n                if (has(extra, 'parent')) {\n                    row.parent = extra.parent;\n                }\n                output.queue(row);\n            });\n            t.on('test', function (st) {\n                ontest(st, { parent: id });\n            });\n            t.on('result', function (res) {\n                res.test = id;\n                res.type = 'assert';\n                output.queue(res);\n            });\n            t.on('end', function () {\n                output.queue({ type: 'end', test: id });\n            });\n        });\n        self.on('done', function () { output.queue(null); });\n    } else {\n        output = resumer();\n        output.queue('TAP version 13\\n');\n        self._stream.pipe(output);\n    }\n\n    if (!this._isRunning) {\n        this._isRunning = true;\n        nextTick(function next() {\n            var t;\n            while (t = getNextTest(self)) {\n                t.run();\n                if (!t.ended) return t.once('end', function () { nextTick(next); });\n            }\n            self.emit('done');\n        });\n    }\n\n    return output;\n};\n\nResults.prototype.push = function (t) {\n    var self = this;\n    self.tests.push(t);\n    self._watch(t);\n    self.emit('_push', t);\n};\n\nResults.prototype.only = function (t) {\n    this._only = t;\n};\n\nResults.prototype._watch = function (t) {\n    var self = this;\n    var write = function (s) { self._stream.queue(s); };\n    t.once('prerun', function () {\n        var premsg = '';\n        if (t._skip) premsg = 'SKIP ';\n        else if (t._todo) premsg = 'TODO ';\n        write('# ' + premsg + coalesceWhiteSpaces(t.name) + '\\n');\n    });\n\n    t.on('result', function (res) {\n        if (typeof res === 'string') {\n            write('# ' + res + '\\n');\n            return;\n        }\n        write(encodeResult(res, self.count + 1));\n        self.count ++;\n\n        if (res.ok || res.todo) self.pass ++;\n        else {\n            self.fail ++;\n            self.emit('fail');\n        }\n    });\n\n    t.on('test', function (st) { self._watch(st); });\n};\n\nResults.prototype.close = function () {\n    var self = this;\n    if (self.closed) self._stream.emit('error', new Error('ALREADY CLOSED'));\n    self.closed = true;\n    var write = function (s) { self._stream.queue(s); };\n\n    write('\\n1..' + self.count + '\\n');\n    write('# tests ' + self.count + '\\n');\n    write('# pass  ' + (self.pass + self.todo) + '\\n');\n    if (self.todo) write('# todo  ' + self.todo + '\\n');\n    if (self.fail) write('# fail  ' + self.fail + '\\n');\n    else write('\\n# ok\\n');\n\n    self._stream.queue(null);\n};\n\nfunction encodeResult(res, count) {\n    var output = '';\n    output += (res.ok ? 'ok ' : 'not ok ') + count;\n    output += res.name ? ' ' + coalesceWhiteSpaces(res.name) : '';\n\n    if (res.skip) {\n        output += ' # SKIP' + ((typeof res.skip === 'string') ? ' ' + coalesceWhiteSpaces(res.skip) : '');\n    } else if (res.todo) {\n        output += ' # TODO' + ((typeof res.todo === 'string') ? ' ' + coalesceWhiteSpaces(res.todo) : '');\n    };\n\n    output += '\\n';\n    if (res.ok) return output;\n\n    var outer = '  ';\n    var inner = outer + '  ';\n    output += outer + '---\\n';\n    output += inner + 'operator: ' + res.operator + '\\n';\n\n    if (has(res, 'expected') || has(res, 'actual')) {\n        var ex = inspect(res.expected, {depth: res.objectPrintDepth});\n        var ac = inspect(res.actual, {depth: res.objectPrintDepth});\n\n        if (Math.max(ex.length, ac.length) > 65 || invalidYaml(ex) || invalidYaml(ac)) {\n            output += inner + 'expected: |-\\n' + inner + '  ' + ex + '\\n';\n            output += inner + 'actual: |-\\n' + inner + '  ' + ac + '\\n';\n        } else {\n            output += inner + 'expected: ' + ex + '\\n';\n            output += inner + 'actual:   ' + ac + '\\n';\n        }\n    }\n    if (res.at) {\n        output += inner + 'at: ' + res.at + '\\n';\n    }\n\n    var actualStack = res.actual && (typeof res.actual === 'object' || typeof res.actual === 'function') ? res.actual.stack : undefined;\n    var errorStack = res.error && res.error.stack;\n    var stack = defined(actualStack, errorStack);\n    if (stack) {\n        var lines = String(stack).split('\\n');\n        output += inner + 'stack: |-\\n';\n        for (var i = 0; i < lines.length; i++) {\n            output += inner + '  ' + lines[i] + '\\n';\n        }\n    }\n\n    output += outer + '...\\n';\n    return output;\n}\n\nfunction getNextTest(results) {\n    if (!results._only) {\n        return results.tests.shift();\n    }\n\n    do {\n        var t = results.tests.shift();\n        if (!t) continue;\n        if (results._only === t) {\n            return t;\n        }\n    } while (results.tests.length !== 0);\n}\n\nfunction invalidYaml(str) {\n    return regexpTest(yamlIndicators, str);\n}\n\n}).call(this,require(\"g5I+bs\"))","(function (process,__dirname){\nvar deepEqual = require('deep-equal');\nvar defined = require('defined');\nvar path = require('path');\nvar inherits = require('inherits');\nvar EventEmitter = require('events').EventEmitter;\nvar has = require('has');\nvar isRegExp = require('is-regex');\nvar trim = require('string.prototype.trim');\nvar bind = require('function-bind');\nvar forEach = require('for-each');\nvar isEnumerable = bind.call(Function.call, Object.prototype.propertyIsEnumerable);\nvar toLowerCase = bind.call(Function.call, String.prototype.toLowerCase);\n\nmodule.exports = Test;\n\nvar nextTick = typeof setImmediate !== 'undefined'\n    ? setImmediate\n    : process.nextTick;\nvar safeSetTimeout = setTimeout;\nvar safeClearTimeout = clearTimeout;\n\ninherits(Test, EventEmitter);\n\nvar getTestArgs = function (name_, opts_, cb_) {\n    var name = '(anonymous)';\n    var opts = {};\n    var cb;\n\n    for (var i = 0; i < arguments.length; i++) {\n        var arg = arguments[i];\n        var t = typeof arg;\n        if (t === 'string') {\n            name = arg;\n        } else if (t === 'object') {\n            opts = arg || opts;\n        } else if (t === 'function') {\n            cb = arg;\n        }\n    }\n    return { name: name, opts: opts, cb: cb };\n};\n\nfunction Test(name_, opts_, cb_) {\n    if (! (this instanceof Test)) {\n        return new Test(name_, opts_, cb_);\n    }\n\n    var args = getTestArgs(name_, opts_, cb_);\n\n    this.readable = true;\n    this.name = args.name || '(anonymous)';\n    this.assertCount = 0;\n    this.pendingCount = 0;\n    this._skip = args.opts.skip || false;\n    this._todo = args.opts.todo || false;\n    this._timeout = args.opts.timeout;\n    this._plan = undefined;\n    this._cb = args.cb;\n    this._progeny = [];\n    this._ok = true;\n    var depthEnvVar = process.env.NODE_TAPE_OBJECT_PRINT_DEPTH;\n    if (args.opts.objectPrintDepth) {\n        this._objectPrintDepth = args.opts.objectPrintDepth;\n    } else if (depthEnvVar) {\n        if (toLowerCase(depthEnvVar) === 'infinity') {\n            this._objectPrintDepth = Infinity;\n        } else {\n            this._objectPrintDepth = depthEnvVar;\n        }\n    } else {\n        this._objectPrintDepth = 5;\n    }\n\n    for (var prop in this) {\n        this[prop] = (function bind(self, val) {\n            if (typeof val === 'function') {\n                return function bound() {\n                    return val.apply(self, arguments);\n                };\n            }\n            return val;\n        })(this, this[prop]);\n    }\n}\n\nTest.prototype.run = function () {\n    this.emit('prerun');\n    if (!this._cb || this._skip) {\n        return this._end();\n    }\n    if (this._timeout != null) {\n        this.timeoutAfter(this._timeout);\n    }\n    this._cb(this);\n    this.emit('run');\n};\n\nTest.prototype.test = function (name, opts, cb) {\n    var self = this;\n    var t = new Test(name, opts, cb);\n    this._progeny.push(t);\n    this.pendingCount++;\n    this.emit('test', t);\n    t.on('prerun', function () {\n        self.assertCount++;\n    });\n\n    if (!self._pendingAsserts()) {\n        nextTick(function () {\n            self._end();\n        });\n    }\n\n    nextTick(function () {\n        if (!self._plan && self.pendingCount == self._progeny.length) {\n            self._end();\n        }\n    });\n};\n\nTest.prototype.comment = function (msg) {\n    var that = this;\n    forEach(trim(msg).split('\\n'), function (aMsg) {\n        that.emit('result', trim(aMsg).replace(/^#\\s*/, ''));\n    });\n};\n\nTest.prototype.plan = function (n) {\n    this._plan = n;\n    this.emit('plan', n);\n};\n\nTest.prototype.timeoutAfter = function (ms) {\n    if (!ms) throw new Error('timeoutAfter requires a timespan');\n    var self = this;\n    var timeout = safeSetTimeout(function () {\n        self.fail('test timed out after ' + ms + 'ms');\n        self.end();\n    }, ms);\n    this.once('end', function () {\n        safeClearTimeout(timeout);\n    });\n};\n\nTest.prototype.end = function (err) {\n    var self = this;\n    if (arguments.length >= 1 && !!err) {\n        this.ifError(err);\n    }\n\n    if (this.calledEnd) {\n        this.fail('.end() called twice');\n    }\n    this.calledEnd = true;\n    this._end();\n};\n\nTest.prototype._end = function (err) {\n    var self = this;\n    if (this._progeny.length) {\n        var t = this._progeny.shift();\n        t.on('end', function () { self._end(); });\n        t.run();\n        return;\n    }\n\n    if (!this.ended) this.emit('end');\n    var pendingAsserts = this._pendingAsserts();\n    if (!this._planError && this._plan !== undefined && pendingAsserts) {\n        this._planError = true;\n        this.fail('plan != count', {\n            expected : this._plan,\n            actual : this.assertCount\n        });\n    }\n    this.ended = true;\n};\n\nTest.prototype._exit = function () {\n    if (this._plan !== undefined &&\n        !this._planError && this.assertCount !== this._plan) {\n        this._planError = true;\n        this.fail('plan != count', {\n            expected : this._plan,\n            actual : this.assertCount,\n            exiting : true\n        });\n    } else if (!this.ended) {\n        this.fail('test exited without ending', {\n            exiting: true\n        });\n    }\n};\n\nTest.prototype._pendingAsserts = function () {\n    if (this._plan === undefined) {\n        return 1;\n    }\n    return this._plan - (this._progeny.length + this.assertCount);\n};\n\nTest.prototype._assert = function assert(ok, opts) {\n    var self = this;\n    var extra = opts.extra || {};\n\n    ok = !!ok || !!extra.skip;\n\n    var res = {\n        id: self.assertCount++,\n        ok: ok,\n        skip: defined(extra.skip, opts.skip),\n        todo: defined(extra.todo, opts.todo, self._todo),\n        name: defined(extra.message, opts.message, '(unnamed assert)'),\n        operator: defined(extra.operator, opts.operator),\n        objectPrintDepth: self._objectPrintDepth\n    };\n    if (has(opts, 'actual') || has(extra, 'actual')) {\n        res.actual = defined(extra.actual, opts.actual);\n    }\n    if (has(opts, 'expected') || has(extra, 'expected')) {\n        res.expected = defined(extra.expected, opts.expected);\n    }\n    this._ok = !!(this._ok && ok);\n\n    if (!ok && !res.todo) {\n        res.error = defined(extra.error, opts.error, new Error(res.name));\n    }\n\n    if (!ok) {\n        var e = new Error('exception');\n        var err = (e.stack || '').split('\\n');\n        var dir = __dirname + path.sep;\n\n        for (var i = 0; i < err.length; i++) {\n            /*\n                Stack trace lines may resemble one of the following. We need\n                to should correctly extract a function name (if any) and\n                path / line no. for each line.\n\n                    at myFunction (/path/to/file.js:123:45)\n                    at myFunction (/path/to/file.other-ext:123:45)\n                    at myFunction (/path to/file.js:123:45)\n                    at myFunction (C:\\path\\to\\file.js:123:45)\n                    at myFunction (/path/to/file.js:123)\n                    at Test.<anonymous> (/path/to/file.js:123:45)\n                    at Test.bound [as run] (/path/to/file.js:123:45)\n                    at /path/to/file.js:123:45\n\n                Regex has three parts. First is non-capturing group for 'at '\n                (plus anything preceding it).\n\n                    /^(?:[^\\s]*\\s*\\bat\\s+)/\n\n                Second captures function call description (optional). This is\n                not necessarily a valid JS function name, but just what the\n                stack trace is using to represent a function call. It may look\n                like `<anonymous>` or 'Test.bound [as run]'.\n\n                For our purposes, we assume that, if there is a function\n                name, it's everything leading up to the first open\n                parentheses (trimmed) before our pathname.\n\n                    /(?:(.*)\\s+\\()?/\n\n                Last part captures file path plus line no (and optional\n                column no).\n\n                    /((?:\\/|[a-zA-Z]:\\\\)[^:\\)]+:(\\d+)(?::(\\d+))?)/\n            */\n            var re = /^(?:[^\\s]*\\s*\\bat\\s+)(?:(.*)\\s+\\()?((?:\\/|[a-zA-Z]:\\\\)[^:\\)]+:(\\d+)(?::(\\d+))?)/;\n            var m = re.exec(err[i]);\n\n            if (!m) {\n                continue;\n            }\n\n            var callDescription = m[1] || '<anonymous>';\n            var filePath = m[2];\n\n            if (filePath.slice(0, dir.length) === dir) {\n                continue;\n            }\n\n            // Function call description may not (just) be a function name.\n            // Try to extract function name by looking at first \"word\" only.\n            res.functionName = callDescription.split(/\\s+/)[0];\n            res.file = filePath;\n            res.line = Number(m[3]);\n            if (m[4]) res.column = Number(m[4]);\n\n            res.at = callDescription + ' (' + filePath + ')';\n            break;\n        }\n    }\n\n    self.emit('result', res);\n\n    var pendingAsserts = self._pendingAsserts();\n    if (!pendingAsserts) {\n        if (extra.exiting) {\n            self._end();\n        } else {\n            nextTick(function () {\n                self._end();\n            });\n        }\n    }\n\n    if (!self._planError && pendingAsserts < 0) {\n        self._planError = true;\n        self.fail('plan != count', {\n            expected : self._plan,\n            actual : self._plan - pendingAsserts\n        });\n    }\n};\n\nTest.prototype.fail = function (msg, extra) {\n    this._assert(false, {\n        message : msg,\n        operator : 'fail',\n        extra : extra\n    });\n};\n\nTest.prototype.pass = function (msg, extra) {\n    this._assert(true, {\n        message : msg,\n        operator : 'pass',\n        extra : extra\n    });\n};\n\nTest.prototype.skip = function (msg, extra) {\n    this._assert(true, {\n        message : msg,\n        operator : 'skip',\n        skip : true,\n        extra : extra\n    });\n};\n\nfunction assert(value, msg, extra) {\n    this._assert(value, {\n        message : defined(msg, 'should be truthy'),\n        operator : 'ok',\n        expected : true,\n        actual : value,\n        extra : extra\n    });\n}\nTest.prototype.ok\n= Test.prototype['true']\n= Test.prototype.assert\n= assert;\n\nfunction notOK(value, msg, extra) {\n    this._assert(!value, {\n        message : defined(msg, 'should be falsy'),\n        operator : 'notOk',\n        expected : false,\n        actual : value,\n        extra : extra\n    });\n}\nTest.prototype.notOk\n= Test.prototype['false']\n= Test.prototype.notok\n= notOK;\n\nfunction error(err, msg, extra) {\n    this._assert(!err, {\n        message : defined(msg, String(err)),\n        operator : 'error',\n        actual : err,\n        extra : extra\n    });\n}\nTest.prototype.error\n= Test.prototype.ifError\n= Test.prototype.ifErr\n= Test.prototype.iferror\n= error;\n\nfunction equal(a, b, msg, extra) {\n    this._assert(a === b, {\n        message : defined(msg, 'should be equal'),\n        operator : 'equal',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.equal\n= Test.prototype.equals\n= Test.prototype.isEqual\n= Test.prototype.is\n= Test.prototype.strictEqual\n= Test.prototype.strictEquals\n= equal;\n\nfunction notEqual(a, b, msg, extra) {\n    this._assert(a !== b, {\n        message : defined(msg, 'should not be equal'),\n        operator : 'notEqual',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.notEqual\n= Test.prototype.notEquals\n= Test.prototype.notStrictEqual\n= Test.prototype.notStrictEquals\n= Test.prototype.isNotEqual\n= Test.prototype.isNot\n= Test.prototype.not\n= Test.prototype.doesNotEqual\n= Test.prototype.isInequal\n= notEqual;\n\nfunction tapeDeepEqual(a, b, msg, extra) {\n    this._assert(deepEqual(a, b, { strict: true }), {\n        message : defined(msg, 'should be equivalent'),\n        operator : 'deepEqual',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.deepEqual\n= Test.prototype.deepEquals\n= Test.prototype.isEquivalent\n= Test.prototype.same\n= tapeDeepEqual;\n\nfunction deepLooseEqual(a, b, msg, extra) {\n    this._assert(deepEqual(a, b), {\n        message : defined(msg, 'should be equivalent'),\n        operator : 'deepLooseEqual',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.deepLooseEqual\n= Test.prototype.looseEqual\n= Test.prototype.looseEquals\n= deepLooseEqual;\n\nfunction notDeepEqual(a, b, msg, extra) {\n    this._assert(!deepEqual(a, b, { strict: true }), {\n        message : defined(msg, 'should not be equivalent'),\n        operator : 'notDeepEqual',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.notDeepEqual\n= Test.prototype.notDeepEquals\n= Test.prototype.notEquivalent\n= Test.prototype.notDeeply\n= Test.prototype.notSame\n= Test.prototype.isNotDeepEqual\n= Test.prototype.isNotDeeply\n= Test.prototype.isNotEquivalent\n= Test.prototype.isInequivalent\n= notDeepEqual;\n\nfunction notDeepLooseEqual(a, b, msg, extra) {\n    this._assert(!deepEqual(a, b), {\n        message : defined(msg, 'should be equivalent'),\n        operator : 'notDeepLooseEqual',\n        actual : a,\n        expected : b,\n        extra : extra\n    });\n}\nTest.prototype.notDeepLooseEqual\n= Test.prototype.notLooseEqual\n= Test.prototype.notLooseEquals\n= notDeepLooseEqual;\n\nTest.prototype['throws'] = function (fn, expected, msg, extra) {\n    if (typeof expected === 'string') {\n        msg = expected;\n        expected = undefined;\n    }\n\n    var caught = undefined;\n\n    try {\n        fn();\n    } catch (err) {\n        caught = { error : err };\n        if ((err != null) && (!isEnumerable(err, 'message') || !has(err, 'message'))) {\n            var message = err.message;\n            delete err.message;\n            err.message = message;\n        }\n    }\n\n    var passed = caught;\n\n    if (isRegExp(expected)) {\n        passed = expected.test(caught && caught.error);\n        expected = String(expected);\n    }\n\n    if (typeof expected === 'function' && caught) {\n        passed = caught.error instanceof expected;\n    }\n\n    this._assert(typeof fn === 'function' && passed, {\n        message : defined(msg, 'should throw'),\n        operator : 'throws',\n        actual : caught && caught.error,\n        expected : expected,\n        error: !passed && caught && caught.error,\n        extra : extra\n    });\n};\n\nTest.prototype.doesNotThrow = function (fn, expected, msg, extra) {\n    if (typeof expected === 'string') {\n        msg = expected;\n        expected = undefined;\n    }\n    var caught = undefined;\n    try {\n        fn();\n    }\n    catch (err) {\n        caught = { error : err };\n    }\n    this._assert(!caught, {\n        message : defined(msg, 'should not throw'),\n        operator : 'throws',\n        actual : caught && caught.error,\n        expected : expected,\n        error : caught && caught.error,\n        extra : extra\n    });\n};\n\nTest.skip = function (name_, _opts, _cb) {\n    var args = getTestArgs.apply(null, arguments);\n    args.opts.skip = true;\n    return Test(args.name, args.opts, args.cb);\n};\n\n// vim: set softtabstop=4 shiftwidth=4:\n\n}).call(this,require(\"g5I+bs\"),\"/../node_modules/tape/lib\")","'use strict';\n\nvar has = require('has');\nvar regexExec = RegExp.prototype.exec;\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nvar tryRegexExecCall = function tryRegexExec(value) {\n\ttry {\n\t\tvar lastIndex = value.lastIndex;\n\t\tvalue.lastIndex = 0; // eslint-disable-line no-param-reassign\n\n\t\tregexExec.call(value);\n\t\treturn true;\n\t} catch (e) {\n\t\treturn false;\n\t} finally {\n\t\tvalue.lastIndex = lastIndex; // eslint-disable-line no-param-reassign\n\t}\n};\nvar toStr = Object.prototype.toString;\nvar regexClass = '[object RegExp]';\nvar hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';\n\nmodule.exports = function isRegex(value) {\n\tif (!value || typeof value !== 'object') {\n\t\treturn false;\n\t}\n\tif (!hasToStringTag) {\n\t\treturn toStr.call(value) === regexClass;\n\t}\n\n\tvar descriptor = gOPD(value, 'lastIndex');\n\tvar hasLastIndexDataProperty = descriptor && has(descriptor, 'value');\n\tif (!hasLastIndexDataProperty) {\n\t\treturn false;\n\t}\n\n\treturn tryRegexExecCall(value);\n};\n","(function (process){\nvar Stream = require('stream')\n\n// through\n//\n// a stream that does nothing but re-emit the input.\n// useful for aggregating a series of changing but not ending streams into one stream)\n\nexports = module.exports = through\nthrough.through = through\n\n//create a readable writable stream.\n\nfunction through (write, end, opts) {\n  write = write || function (data) { this.queue(data) }\n  end = end || function () { this.queue(null) }\n\n  var ended = false, destroyed = false, buffer = [], _ended = false\n  var stream = new Stream()\n  stream.readable = stream.writable = true\n  stream.paused = false\n\n//  stream.autoPause   = !(opts && opts.autoPause   === false)\n  stream.autoDestroy = !(opts && opts.autoDestroy === false)\n\n  stream.write = function (data) {\n    write.call(this, data)\n    return !stream.paused\n  }\n\n  function drain() {\n    while(buffer.length && !stream.paused) {\n      var data = buffer.shift()\n      if(null === data)\n        return stream.emit('end')\n      else\n        stream.emit('data', data)\n    }\n  }\n\n  stream.queue = stream.push = function (data) {\n//    console.error(ended)\n    if(_ended) return stream\n    if(data === null) _ended = true\n    buffer.push(data)\n    drain()\n    return stream\n  }\n\n  //this will be registered as the first 'end' listener\n  //must call destroy next tick, to make sure we're after any\n  //stream piped from here.\n  //this is only a problem if end is not emitted synchronously.\n  //a nicer way to do this is to make sure this is the last listener for 'end'\n\n  stream.on('end', function () {\n    stream.readable = false\n    if(!stream.writable && stream.autoDestroy)\n      process.nextTick(function () {\n        stream.destroy()\n      })\n  })\n\n  function _end () {\n    stream.writable = false\n    end.call(stream)\n    if(!stream.readable && stream.autoDestroy)\n      stream.destroy()\n  }\n\n  stream.end = function (data) {\n    if(ended) return\n    ended = true\n    if(arguments.length) stream.write(data)\n    _end() // will emit or queue\n    return stream\n  }\n\n  stream.destroy = function () {\n    if(destroyed) return\n    destroyed = true\n    ended = true\n    buffer.length = 0\n    stream.writable = stream.readable = false\n    stream.emit('close')\n    return stream\n  }\n\n  stream.pause = function () {\n    if(stream.paused) return\n    stream.paused = true\n    return stream\n  }\n\n  stream.resume = function () {\n    if(stream.paused) {\n      stream.paused = false\n      stream.emit('resume')\n    }\n    drain()\n    //may have become paused again,\n    //as drain emits 'data'.\n    if(!stream.paused)\n      stream.emit('drain')\n    return stream\n  }\n  return stream\n}\n\n\n}).call(this,require(\"g5I+bs\"))","if (typeof Object.create === 'function') {\n  // implementation from standard node.js 'util' module\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    ctor.prototype = Object.create(superCtor.prototype, {\n      constructor: {\n        value: ctor,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n  };\n} else {\n  // old school shim for old browsers\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    var TempCtor = function () {}\n    TempCtor.prototype = superCtor.prototype\n    ctor.prototype = new TempCtor()\n    ctor.prototype.constructor = ctor\n  }\n}\n","module.exports = function isBuffer(arg) {\n  return arg && typeof arg === 'object'\n    && typeof arg.copy === 'function'\n    && typeof arg.fill === 'function'\n    && typeof arg.readUInt8 === 'function';\n}","(function (process,global){\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\n}).call(this,require(\"g5I+bs\"),typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})","'use strict';\n\nvar implementation = require('./implementation');\n\nmodule.exports = function getPolyfill() {\n\treturn Array.prototype.includes || implementation;\n};\n","'use strict';\n\nvar define = require('define-properties');\nvar getPolyfill = require('./polyfill');\n\nmodule.exports = function shimArrayPrototypeIncludes() {\n\tvar polyfill = getPolyfill();\n\tdefine(\n\t\tArray.prototype,\n\t\t{ includes: polyfill },\n\t\t{ includes: function () { return Array.prototype.includes !== polyfill; } }\n\t);\n\treturn polyfill;\n};\n","'use strict';\n\nvar includes = require('../');\nvar test = require('tape');\nvar runTests = require('./tests');\n\ntest('as a function', function (t) {\n\tt.test('bad array/this value', function (st) {\n\t\tst['throws'](function () { includes(undefined, 'a'); }, TypeError, 'undefined is not an object');\n\t\tst['throws'](function () { includes(null, 'a'); }, TypeError, 'null is not an object');\n\t\tst.end();\n\t});\n\n\trunTests(includes, t);\n\n\tt.end();\n});\n","'use strict';\n\nrequire('../shim')();\n\nvar test = require('tape');\nvar defineProperties = require('define-properties');\nvar bind = require('function-bind');\nvar isEnumerable = Object.prototype.propertyIsEnumerable;\nvar functionsHaveNames = require('functions-have-names')();\n\nvar runTests = require('./tests');\n\ntest('shimmed', function (t) {\n\tt.equal(Array.prototype.includes.length, 1, 'Array#includes has a length of 1');\n\tt.test('Function name', { skip: !functionsHaveNames }, function (st) {\n\t\tst.equal(Array.prototype.includes.name, 'includes', 'Array#includes has name \"includes\"');\n\t\tst.end();\n\t});\n\n\tt.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {\n\t\tet.equal(false, isEnumerable.call(Array.prototype, 'includes'), 'Array#includes is not enumerable');\n\t\tet.end();\n\t});\n\n\tvar supportsStrictMode = (function () { return typeof this === 'undefined'; }());\n\n\tt.test('bad array/this value', { skip: !supportsStrictMode }, function (st) {\n\t\tst['throws'](function () { return Array.prototype.includes.call(undefined, 'a'); }, TypeError, 'undefined is not an object');\n\t\tst['throws'](function () { return Array.prototype.includes.call(null, 'a'); }, TypeError, 'null is not an object');\n\t\tst.end();\n\t});\n\n\trunTests(bind.call(Function.call, Array.prototype.includes), t);\n\n\tt.end();\n});\n","'use strict';\n\nmodule.exports = function (includes, t) {\n\tvar sparseish = { length: 5, 0: 'a', 1: 'b' };\n\tvar overfullarrayish = { length: 2, 0: 'a', 1: 'b', 2: 'c' };\n\tvar thrower = { valueOf: function () { throw new RangeError('whoa'); } };\n\tvar numberish = { valueOf: function () { return 2; } };\n\n\tt.test('simple examples', function (st) {\n\t\tst.equal(true, includes([1, 2, 3], 1), '[1, 2, 3] includes 1');\n\t\tst.equal(false, includes([1, 2, 3], 4), '[1, 2, 3] does not include 4');\n\t\tst.equal(true, includes([NaN], NaN), '[NaN] includes NaN');\n\t\tst.end();\n\t});\n\n\tt.test('does not skip holes', function (st) {\n\t\tst.equal(true, includes(Array(1)), 'Array(1) includes undefined');\n\t\tst.end();\n\t});\n\n\tt.test('exceptions', function (et) {\n\t\tet.test('fromIndex conversion', function (st) {\n\t\t\tst['throws'](function () { includes([0], 0, thrower); }, RangeError, 'fromIndex conversion throws');\n\t\t\tst.end();\n\t\t});\n\n\t\tet.test('ToLength', function (st) {\n\t\t\tst['throws'](function () { includes({ length: thrower, 0: true }, true); }, RangeError, 'ToLength conversion throws');\n\t\t\tst.end();\n\t\t});\n\n\t\tet.end();\n\t});\n\n\tt.test('arraylike', function (st) {\n\t\tst.equal(true, includes(sparseish, 'a'), 'sparse array-like object includes \"a\"');\n\t\tst.equal(false, includes(sparseish, 'c'), 'sparse array-like object does not include \"c\"');\n\n\t\tst.equal(true, includes(overfullarrayish, 'b'), 'sparse array-like object includes \"b\"');\n\t\tst.equal(false, includes(overfullarrayish, 'c'), 'sparse array-like object does not include \"c\"');\n\t\tst.end();\n\t});\n\n\tt.test('fromIndex', function (ft) {\n\t\tft.equal(true, includes([1], 1, NaN), 'NaN fromIndex -> 0 fromIndex');\n\n\t\tft.equal(true, includes([0, 1, 2], 1, 0), 'starting from 0 finds index 1');\n\t\tft.equal(true, includes([0, 1, 2], 1, 1), 'starting from 1 finds index 1');\n\t\tft.equal(false, includes([0, 1, 2], 1, 2), 'starting from 2 does not find index 1');\n\n\t\tft.test('number coercion', function (st) {\n\t\t\tst.equal(false, includes(['a', 'b', 'c'], 'a', numberish), 'does not find \"a\" with object fromIndex coercing to 2');\n\t\t\tst.equal(false, includes(['a', 'b', 'c'], 'a', '2'), 'does not find \"a\" with string fromIndex coercing to 2');\n\t\t\tst.equal(true, includes(['a', 'b', 'c'], 'c', numberish), 'finds \"c\" with object fromIndex coercing to 2');\n\t\t\tst.equal(true, includes(['a', 'b', 'c'], 'c', '2'), 'finds \"c\" with string fromIndex coercing to 2');\n\t\t\tst.end();\n\t\t});\n\n\t\tft.test('fromIndex greater than length', function (st) {\n\t\t\tst.equal(false, includes([1], 1, 2), 'array of length 1 is not searched if fromIndex is > 1');\n\t\t\tst.equal(false, includes([1], 1, 1), 'array of length 1 is not searched if fromIndex is >= 1');\n\t\t\tst.equal(false, includes([1], 1, 1.1), 'array of length 1 is not searched if fromIndex is 1.1');\n\t\t\tst.equal(false, includes([1], 1, Infinity), 'array of length 1 is not searched if fromIndex is Infinity');\n\t\t\tst.end();\n\t\t});\n\n\t\tft.test('negative fromIndex', function (st) {\n\t\t\tst.equal(true, includes([1, 3], 1, -4), 'computed length would be negative; fromIndex is thus 0');\n\t\t\tst.equal(true, includes([1, 3], 3, -4), 'computed length would be negative; fromIndex is thus 0');\n\t\t\tst.equal(true, includes([1, 3], 1, -Infinity), 'computed length would be negative; fromIndex is thus 0');\n\n\t\t\tst.equal(true, includes([12, 13], 13, -1), 'finds -1st item with -1 fromIndex');\n\t\t\tst.equal(false, includes([12, 13], 12, -1), 'does not find -2nd item with -1 fromIndex');\n\t\t\tst.equal(true, includes([12, 13], 13, -2), 'finds -2nd item with -2 fromIndex');\n\n\t\t\tst.equal(true, includes(sparseish, 'b', -4), 'finds -4th item with -4 fromIndex');\n\t\t\tst.equal(false, includes(sparseish, 'a', -4), 'does not find -5th item with -4 fromIndex');\n\t\t\tst.equal(true, includes(sparseish, 'a', -5), 'finds -5th item with -5 fromIndex');\n\t\t\tst.end();\n\t\t});\n\n\t\tft.end();\n\t});\n\n\tt.test('strings', function (st) {\n\t\tst.equal(true, includes('abc', 'c'), 'string includes one of its chars');\n\t\tst.equal(false, includes('abc', 'd'), 'string does not include a char it should not');\n\n\t\tst.equal(true, includes(Object('abc'), 'c'), 'boxed string includes one of its chars');\n\t\tst.equal(false, includes(Object('abc'), 'd'), 'boxed string does not include a char it should not');\n\n\t\tst.end();\n\t});\n};\n"]} </script></body></html>