50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
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'use strict';
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var define = require('define-properties');
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var hasSymbols = require('has-symbols')();
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var getPolyfill = require('./polyfill');
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var regexpMatchAllPolyfill = require('./polyfill-regexp-matchall');
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var defineP = Object.defineProperty;
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var gOPD = Object.getOwnPropertyDescriptor;
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module.exports = function shimMatchAll() {
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var polyfill = getPolyfill();
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define(
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String.prototype,
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{ matchAll: polyfill },
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{ matchAll: function () { return String.prototype.matchAll !== polyfill; } }
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);
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if (hasSymbols) {
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// eslint-disable-next-line no-restricted-properties
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var symbol = Symbol.matchAll || (Symbol['for'] ? Symbol['for']('Symbol.matchAll') : Symbol('Symbol.matchAll'));
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define(
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Symbol,
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{ matchAll: symbol },
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{ matchAll: function () { return Symbol.matchAll !== symbol; } }
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);
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if (defineP && gOPD) {
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var desc = gOPD(Symbol, symbol);
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if (!desc || desc.configurable) {
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defineP(Symbol, symbol, {
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configurable: false,
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enumerable: false,
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value: symbol,
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writable: false
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});
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}
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}
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var regexpMatchAll = regexpMatchAllPolyfill();
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var func = {};
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func[symbol] = regexpMatchAll;
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var predicate = {};
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predicate[symbol] = function () {
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return RegExp.prototype[symbol] !== regexpMatchAll;
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};
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define(RegExp.prototype, func, predicate);
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}
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return polyfill;
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};
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