mirror of
https://github.com/joelwmale/webhook-action.git
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93 lines
3.2 KiB
JavaScript
93 lines
3.2 KiB
JavaScript
var composeArgs = require('./_composeArgs'),
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composeArgsRight = require('./_composeArgsRight'),
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countHolders = require('./_countHolders'),
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createCtor = require('./_createCtor'),
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createRecurry = require('./_createRecurry'),
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getHolder = require('./_getHolder'),
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reorder = require('./_reorder'),
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replaceHolders = require('./_replaceHolders'),
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root = require('./_root');
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/** Used to compose bitmasks for function metadata. */
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var WRAP_BIND_FLAG = 1,
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WRAP_BIND_KEY_FLAG = 2,
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WRAP_CURRY_FLAG = 8,
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WRAP_CURRY_RIGHT_FLAG = 16,
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WRAP_ARY_FLAG = 128,
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WRAP_FLIP_FLAG = 512;
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/**
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* Creates a function that wraps `func` to invoke it with optional `this`
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* binding of `thisArg`, partial application, and currying.
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*
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* @private
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* @param {Function|string} func The function or method name to wrap.
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* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
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* @param {*} [thisArg] The `this` binding of `func`.
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* @param {Array} [partials] The arguments to prepend to those provided to
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* the new function.
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* @param {Array} [holders] The `partials` placeholder indexes.
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* @param {Array} [partialsRight] The arguments to append to those provided
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* to the new function.
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* @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
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* @param {Array} [argPos] The argument positions of the new function.
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* @param {number} [ary] The arity cap of `func`.
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* @param {number} [arity] The arity of `func`.
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* @returns {Function} Returns the new wrapped function.
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*/
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function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
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var isAry = bitmask & WRAP_ARY_FLAG,
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isBind = bitmask & WRAP_BIND_FLAG,
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isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
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isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
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isFlip = bitmask & WRAP_FLIP_FLAG,
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Ctor = isBindKey ? undefined : createCtor(func);
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function wrapper() {
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var length = arguments.length,
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args = Array(length),
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index = length;
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while (index--) {
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args[index] = arguments[index];
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}
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if (isCurried) {
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var placeholder = getHolder(wrapper),
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holdersCount = countHolders(args, placeholder);
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}
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if (partials) {
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args = composeArgs(args, partials, holders, isCurried);
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}
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if (partialsRight) {
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args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
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}
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length -= holdersCount;
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if (isCurried && length < arity) {
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var newHolders = replaceHolders(args, placeholder);
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return createRecurry(
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func, bitmask, createHybrid, wrapper.placeholder, thisArg,
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args, newHolders, argPos, ary, arity - length
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);
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}
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var thisBinding = isBind ? thisArg : this,
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fn = isBindKey ? thisBinding[func] : func;
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length = args.length;
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if (argPos) {
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args = reorder(args, argPos);
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} else if (isFlip && length > 1) {
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args.reverse();
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}
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if (isAry && ary < length) {
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args.length = ary;
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}
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if (this && this !== root && this instanceof wrapper) {
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fn = Ctor || createCtor(fn);
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}
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return fn.apply(thisBinding, args);
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}
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return wrapper;
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}
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module.exports = createHybrid;
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