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56 lines
1.8 KiB
Text
56 lines
1.8 KiB
Text
'use strict';
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var Call = require('es-abstract/2021/Call');
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var Get = require('es-abstract/2021/Get');
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var GetMethod = require('es-abstract/2021/GetMethod');
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var IsRegExp = require('es-abstract/2021/IsRegExp');
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var ToString = require('es-abstract/2021/ToString');
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var RequireObjectCoercible = require('es-abstract/2021/RequireObjectCoercible');
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var callBound = require('call-bind/callBound');
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var hasSymbols = require('has-symbols')();
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var flagsGetter = require('regexp.prototype.flags');
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var $indexOf = callBound('String.prototype.indexOf');
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var regexpMatchAllPolyfill = require('./polyfill-regexp-matchall');
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var getMatcher = function getMatcher(regexp) { // eslint-disable-line consistent-return
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var matcherPolyfill = regexpMatchAllPolyfill();
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if (hasSymbols && typeof Symbol.matchAll === 'symbol') {
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var matcher = GetMethod(regexp, Symbol.matchAll);
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if (matcher === RegExp.prototype[Symbol.matchAll] && matcher !== matcherPolyfill) {
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return matcherPolyfill;
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}
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return matcher;
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}
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// fallback for pre-Symbol.matchAll environments
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if (IsRegExp(regexp)) {
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return matcherPolyfill;
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}
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};
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module.exports = function matchAll(regexp) {
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var O = RequireObjectCoercible(this);
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if (typeof regexp !== 'undefined' && regexp !== null) {
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var isRegExp = IsRegExp(regexp);
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if (isRegExp) {
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// workaround for older engines that lack RegExp.prototype.flags
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var flags = 'flags' in regexp ? Get(regexp, 'flags') : flagsGetter(regexp);
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RequireObjectCoercible(flags);
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if ($indexOf(ToString(flags), 'g') < 0) {
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throw new TypeError('matchAll requires a global regular expression');
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}
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}
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var matcher = getMatcher(regexp);
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if (typeof matcher !== 'undefined') {
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return Call(matcher, regexp, [O]);
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}
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}
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var S = ToString(O);
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// var rx = RegExpCreate(regexp, 'g');
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var rx = new RegExp(regexp, 'g');
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return Call(getMatcher(rx), rx, [S]);
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};
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