mirror of
https://github.com/joelwmale/webhook-action.git
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1ada95e04a
- Convert project to Javascript/Typescript - Allow custom headers to be passed in (optional) - Allow body to be optional
489 lines
15 KiB
JavaScript
489 lines
15 KiB
JavaScript
'use strict';
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const XHTMLEntities = require('./xhtml');
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const hexNumber = /^[\da-fA-F]+$/;
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const decimalNumber = /^\d+$/;
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// The map to `acorn-jsx` tokens from `acorn` namespace objects.
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const acornJsxMap = new WeakMap();
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// Get the original tokens for the given `acorn` namespace object.
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function getJsxTokens(acorn) {
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acorn = acorn.Parser.acorn || acorn;
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let acornJsx = acornJsxMap.get(acorn);
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if (!acornJsx) {
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const tt = acorn.tokTypes;
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const TokContext = acorn.TokContext;
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const TokenType = acorn.TokenType;
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const tc_oTag = new TokContext('<tag', false);
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const tc_cTag = new TokContext('</tag', false);
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const tc_expr = new TokContext('<tag>...</tag>', true, true);
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const tokContexts = {
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tc_oTag: tc_oTag,
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tc_cTag: tc_cTag,
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tc_expr: tc_expr
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};
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const tokTypes = {
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jsxName: new TokenType('jsxName'),
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jsxText: new TokenType('jsxText', {beforeExpr: true}),
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jsxTagStart: new TokenType('jsxTagStart'),
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jsxTagEnd: new TokenType('jsxTagEnd')
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};
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tokTypes.jsxTagStart.updateContext = function() {
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this.context.push(tc_expr); // treat as beginning of JSX expression
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this.context.push(tc_oTag); // start opening tag context
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this.exprAllowed = false;
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};
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tokTypes.jsxTagEnd.updateContext = function(prevType) {
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let out = this.context.pop();
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if (out === tc_oTag && prevType === tt.slash || out === tc_cTag) {
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this.context.pop();
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this.exprAllowed = this.curContext() === tc_expr;
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} else {
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this.exprAllowed = true;
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}
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};
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acornJsx = { tokContexts: tokContexts, tokTypes: tokTypes };
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acornJsxMap.set(acorn, acornJsx);
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}
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return acornJsx;
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}
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// Transforms JSX element name to string.
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function getQualifiedJSXName(object) {
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if (!object)
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return object;
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if (object.type === 'JSXIdentifier')
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return object.name;
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if (object.type === 'JSXNamespacedName')
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return object.namespace.name + ':' + object.name.name;
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if (object.type === 'JSXMemberExpression')
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return getQualifiedJSXName(object.object) + '.' +
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getQualifiedJSXName(object.property);
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}
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module.exports = function(options) {
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options = options || {};
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return function(Parser) {
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return plugin({
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allowNamespaces: options.allowNamespaces !== false,
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allowNamespacedObjects: !!options.allowNamespacedObjects
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}, Parser);
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};
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};
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// This is `tokTypes` of the peer dep.
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// This can be different instances from the actual `tokTypes` this plugin uses.
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Object.defineProperty(module.exports, "tokTypes", {
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get: function get_tokTypes() {
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return getJsxTokens(require("acorn")).tokTypes;
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},
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configurable: true,
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enumerable: true
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});
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function plugin(options, Parser) {
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const acorn = Parser.acorn || require("acorn");
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const acornJsx = getJsxTokens(acorn);
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const tt = acorn.tokTypes;
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const tok = acornJsx.tokTypes;
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const tokContexts = acorn.tokContexts;
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const tc_oTag = acornJsx.tokContexts.tc_oTag;
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const tc_cTag = acornJsx.tokContexts.tc_cTag;
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const tc_expr = acornJsx.tokContexts.tc_expr;
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const isNewLine = acorn.isNewLine;
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const isIdentifierStart = acorn.isIdentifierStart;
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const isIdentifierChar = acorn.isIdentifierChar;
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return class extends Parser {
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// Expose actual `tokTypes` and `tokContexts` to other plugins.
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static get acornJsx() {
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return acornJsx;
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}
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// Reads inline JSX contents token.
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jsx_readToken() {
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let out = '', chunkStart = this.pos;
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for (;;) {
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if (this.pos >= this.input.length)
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this.raise(this.start, 'Unterminated JSX contents');
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let ch = this.input.charCodeAt(this.pos);
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switch (ch) {
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case 60: // '<'
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case 123: // '{'
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if (this.pos === this.start) {
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if (ch === 60 && this.exprAllowed) {
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++this.pos;
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return this.finishToken(tok.jsxTagStart);
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}
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return this.getTokenFromCode(ch);
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}
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out += this.input.slice(chunkStart, this.pos);
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return this.finishToken(tok.jsxText, out);
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case 38: // '&'
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out += this.input.slice(chunkStart, this.pos);
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out += this.jsx_readEntity();
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chunkStart = this.pos;
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break;
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case 62: // '>'
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case 125: // '}'
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this.raise(
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this.pos,
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"Unexpected token `" + this.input[this.pos] + "`. Did you mean `" +
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(ch === 62 ? ">" : "}") + "` or " + "`{\"" + this.input[this.pos] + "\"}" + "`?"
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);
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default:
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if (isNewLine(ch)) {
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out += this.input.slice(chunkStart, this.pos);
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out += this.jsx_readNewLine(true);
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chunkStart = this.pos;
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} else {
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++this.pos;
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}
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}
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}
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}
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jsx_readNewLine(normalizeCRLF) {
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let ch = this.input.charCodeAt(this.pos);
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let out;
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++this.pos;
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if (ch === 13 && this.input.charCodeAt(this.pos) === 10) {
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++this.pos;
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out = normalizeCRLF ? '\n' : '\r\n';
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} else {
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out = String.fromCharCode(ch);
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}
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if (this.options.locations) {
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++this.curLine;
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this.lineStart = this.pos;
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}
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return out;
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}
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jsx_readString(quote) {
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let out = '', chunkStart = ++this.pos;
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for (;;) {
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if (this.pos >= this.input.length)
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this.raise(this.start, 'Unterminated string constant');
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let ch = this.input.charCodeAt(this.pos);
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if (ch === quote) break;
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if (ch === 38) { // '&'
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out += this.input.slice(chunkStart, this.pos);
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out += this.jsx_readEntity();
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chunkStart = this.pos;
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} else if (isNewLine(ch)) {
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out += this.input.slice(chunkStart, this.pos);
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out += this.jsx_readNewLine(false);
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chunkStart = this.pos;
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} else {
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++this.pos;
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}
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}
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out += this.input.slice(chunkStart, this.pos++);
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return this.finishToken(tt.string, out);
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}
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jsx_readEntity() {
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let str = '', count = 0, entity;
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let ch = this.input[this.pos];
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if (ch !== '&')
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this.raise(this.pos, 'Entity must start with an ampersand');
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let startPos = ++this.pos;
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while (this.pos < this.input.length && count++ < 10) {
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ch = this.input[this.pos++];
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if (ch === ';') {
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if (str[0] === '#') {
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if (str[1] === 'x') {
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str = str.substr(2);
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if (hexNumber.test(str))
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entity = String.fromCharCode(parseInt(str, 16));
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} else {
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str = str.substr(1);
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if (decimalNumber.test(str))
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entity = String.fromCharCode(parseInt(str, 10));
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}
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} else {
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entity = XHTMLEntities[str];
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}
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break;
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}
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str += ch;
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}
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if (!entity) {
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this.pos = startPos;
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return '&';
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}
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return entity;
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}
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// Read a JSX identifier (valid tag or attribute name).
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//
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// Optimized version since JSX identifiers can't contain
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// escape characters and so can be read as single slice.
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// Also assumes that first character was already checked
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// by isIdentifierStart in readToken.
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jsx_readWord() {
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let ch, start = this.pos;
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do {
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ch = this.input.charCodeAt(++this.pos);
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} while (isIdentifierChar(ch) || ch === 45); // '-'
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return this.finishToken(tok.jsxName, this.input.slice(start, this.pos));
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}
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// Parse next token as JSX identifier
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jsx_parseIdentifier() {
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let node = this.startNode();
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if (this.type === tok.jsxName)
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node.name = this.value;
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else if (this.type.keyword)
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node.name = this.type.keyword;
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else
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this.unexpected();
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this.next();
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return this.finishNode(node, 'JSXIdentifier');
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}
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// Parse namespaced identifier.
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jsx_parseNamespacedName() {
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let startPos = this.start, startLoc = this.startLoc;
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let name = this.jsx_parseIdentifier();
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if (!options.allowNamespaces || !this.eat(tt.colon)) return name;
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var node = this.startNodeAt(startPos, startLoc);
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node.namespace = name;
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node.name = this.jsx_parseIdentifier();
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return this.finishNode(node, 'JSXNamespacedName');
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}
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// Parses element name in any form - namespaced, member
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// or single identifier.
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jsx_parseElementName() {
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if (this.type === tok.jsxTagEnd) return '';
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let startPos = this.start, startLoc = this.startLoc;
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let node = this.jsx_parseNamespacedName();
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if (this.type === tt.dot && node.type === 'JSXNamespacedName' && !options.allowNamespacedObjects) {
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this.unexpected();
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}
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while (this.eat(tt.dot)) {
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let newNode = this.startNodeAt(startPos, startLoc);
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newNode.object = node;
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newNode.property = this.jsx_parseIdentifier();
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node = this.finishNode(newNode, 'JSXMemberExpression');
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}
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return node;
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}
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// Parses any type of JSX attribute value.
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jsx_parseAttributeValue() {
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switch (this.type) {
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case tt.braceL:
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let node = this.jsx_parseExpressionContainer();
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if (node.expression.type === 'JSXEmptyExpression')
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this.raise(node.start, 'JSX attributes must only be assigned a non-empty expression');
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return node;
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case tok.jsxTagStart:
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case tt.string:
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return this.parseExprAtom();
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default:
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this.raise(this.start, 'JSX value should be either an expression or a quoted JSX text');
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}
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}
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// JSXEmptyExpression is unique type since it doesn't actually parse anything,
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// and so it should start at the end of last read token (left brace) and finish
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// at the beginning of the next one (right brace).
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jsx_parseEmptyExpression() {
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let node = this.startNodeAt(this.lastTokEnd, this.lastTokEndLoc);
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return this.finishNodeAt(node, 'JSXEmptyExpression', this.start, this.startLoc);
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}
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// Parses JSX expression enclosed into curly brackets.
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jsx_parseExpressionContainer() {
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let node = this.startNode();
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this.next();
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node.expression = this.type === tt.braceR
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? this.jsx_parseEmptyExpression()
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: this.parseExpression();
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this.expect(tt.braceR);
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return this.finishNode(node, 'JSXExpressionContainer');
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}
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// Parses following JSX attribute name-value pair.
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jsx_parseAttribute() {
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let node = this.startNode();
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if (this.eat(tt.braceL)) {
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this.expect(tt.ellipsis);
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node.argument = this.parseMaybeAssign();
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this.expect(tt.braceR);
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return this.finishNode(node, 'JSXSpreadAttribute');
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}
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node.name = this.jsx_parseNamespacedName();
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node.value = this.eat(tt.eq) ? this.jsx_parseAttributeValue() : null;
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return this.finishNode(node, 'JSXAttribute');
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}
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// Parses JSX opening tag starting after '<'.
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jsx_parseOpeningElementAt(startPos, startLoc) {
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let node = this.startNodeAt(startPos, startLoc);
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node.attributes = [];
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let nodeName = this.jsx_parseElementName();
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if (nodeName) node.name = nodeName;
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while (this.type !== tt.slash && this.type !== tok.jsxTagEnd)
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node.attributes.push(this.jsx_parseAttribute());
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node.selfClosing = this.eat(tt.slash);
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this.expect(tok.jsxTagEnd);
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return this.finishNode(node, nodeName ? 'JSXOpeningElement' : 'JSXOpeningFragment');
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}
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// Parses JSX closing tag starting after '</'.
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jsx_parseClosingElementAt(startPos, startLoc) {
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let node = this.startNodeAt(startPos, startLoc);
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let nodeName = this.jsx_parseElementName();
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if (nodeName) node.name = nodeName;
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this.expect(tok.jsxTagEnd);
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return this.finishNode(node, nodeName ? 'JSXClosingElement' : 'JSXClosingFragment');
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}
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// Parses entire JSX element, including it's opening tag
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// (starting after '<'), attributes, contents and closing tag.
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jsx_parseElementAt(startPos, startLoc) {
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let node = this.startNodeAt(startPos, startLoc);
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let children = [];
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let openingElement = this.jsx_parseOpeningElementAt(startPos, startLoc);
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let closingElement = null;
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if (!openingElement.selfClosing) {
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contents: for (;;) {
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switch (this.type) {
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case tok.jsxTagStart:
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startPos = this.start; startLoc = this.startLoc;
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this.next();
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if (this.eat(tt.slash)) {
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closingElement = this.jsx_parseClosingElementAt(startPos, startLoc);
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break contents;
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}
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children.push(this.jsx_parseElementAt(startPos, startLoc));
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break;
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case tok.jsxText:
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children.push(this.parseExprAtom());
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break;
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case tt.braceL:
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children.push(this.jsx_parseExpressionContainer());
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break;
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default:
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this.unexpected();
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}
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}
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if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) {
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this.raise(
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closingElement.start,
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'Expected corresponding JSX closing tag for <' + getQualifiedJSXName(openingElement.name) + '>');
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}
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}
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let fragmentOrElement = openingElement.name ? 'Element' : 'Fragment';
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node['opening' + fragmentOrElement] = openingElement;
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node['closing' + fragmentOrElement] = closingElement;
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node.children = children;
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if (this.type === tt.relational && this.value === "<") {
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this.raise(this.start, "Adjacent JSX elements must be wrapped in an enclosing tag");
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}
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return this.finishNode(node, 'JSX' + fragmentOrElement);
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}
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// Parse JSX text
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jsx_parseText() {
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let node = this.parseLiteral(this.value);
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node.type = "JSXText";
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return node;
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}
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// Parses entire JSX element from current position.
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jsx_parseElement() {
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let startPos = this.start, startLoc = this.startLoc;
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this.next();
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return this.jsx_parseElementAt(startPos, startLoc);
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}
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parseExprAtom(refShortHandDefaultPos) {
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if (this.type === tok.jsxText)
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return this.jsx_parseText();
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else if (this.type === tok.jsxTagStart)
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return this.jsx_parseElement();
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else
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return super.parseExprAtom(refShortHandDefaultPos);
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}
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readToken(code) {
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let context = this.curContext();
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if (context === tc_expr) return this.jsx_readToken();
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if (context === tc_oTag || context === tc_cTag) {
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if (isIdentifierStart(code)) return this.jsx_readWord();
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if (code == 62) {
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++this.pos;
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return this.finishToken(tok.jsxTagEnd);
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}
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if ((code === 34 || code === 39) && context == tc_oTag)
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return this.jsx_readString(code);
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}
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if (code === 60 && this.exprAllowed && this.input.charCodeAt(this.pos + 1) !== 33) {
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++this.pos;
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return this.finishToken(tok.jsxTagStart);
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}
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return super.readToken(code);
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}
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updateContext(prevType) {
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if (this.type == tt.braceL) {
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var curContext = this.curContext();
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if (curContext == tc_oTag) this.context.push(tokContexts.b_expr);
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else if (curContext == tc_expr) this.context.push(tokContexts.b_tmpl);
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else super.updateContext(prevType);
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this.exprAllowed = true;
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} else if (this.type === tt.slash && prevType === tok.jsxTagStart) {
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this.context.length -= 2; // do not consider JSX expr -> JSX open tag -> ... anymore
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this.context.push(tc_cTag); // reconsider as closing tag context
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this.exprAllowed = false;
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} else {
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return super.updateContext(prevType);
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}
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}
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};
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}
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