1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var createIteratorConstructor = require('../internals/create-iterator-constructor');
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4 | var requireObjectCoercible = require('../internals/require-object-coercible');
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5 | var toLength = require('../internals/to-length');
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6 | var aFunction = require('../internals/a-function');
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7 | var anObject = require('../internals/an-object');
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8 | var classof = require('../internals/classof');
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9 | var isRegExp = require('../internals/is-regexp');
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10 | var getRegExpFlags = require('../internals/regexp-flags');
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11 | var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
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12 | var fails = require('../internals/fails');
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13 | var wellKnownSymbol = require('../internals/well-known-symbol');
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14 | var speciesConstructor = require('../internals/species-constructor');
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15 | var advanceStringIndex = require('../internals/advance-string-index');
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16 | var InternalStateModule = require('../internals/internal-state');
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17 | var IS_PURE = require('../internals/is-pure');
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18 |
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19 | var MATCH_ALL = wellKnownSymbol('matchAll');
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20 | var REGEXP_STRING = 'RegExp String';
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21 | var REGEXP_STRING_ITERATOR = REGEXP_STRING + ' Iterator';
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22 | var setInternalState = InternalStateModule.set;
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23 | var getInternalState = InternalStateModule.getterFor(REGEXP_STRING_ITERATOR);
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24 | var RegExpPrototype = RegExp.prototype;
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25 | var regExpBuiltinExec = RegExpPrototype.exec;
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26 | var nativeMatchAll = ''.matchAll;
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27 |
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28 | var WORKS_WITH_NON_GLOBAL_REGEX = !!nativeMatchAll && !fails(function () {
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29 | 'a'.matchAll(/./);
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30 | });
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31 |
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32 | var regExpExec = function (R, S) {
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33 | var exec = R.exec;
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34 | var result;
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35 | if (typeof exec == 'function') {
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36 | result = exec.call(R, S);
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37 | if (typeof result != 'object') throw TypeError('Incorrect exec result');
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38 | return result;
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39 | } return regExpBuiltinExec.call(R, S);
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40 | };
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41 |
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42 |
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43 | var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, global, fullUnicode) {
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44 | setInternalState(this, {
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45 | type: REGEXP_STRING_ITERATOR,
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46 | regexp: regexp,
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47 | string: string,
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48 | global: global,
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49 | unicode: fullUnicode,
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50 | done: false
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51 | });
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52 | }, REGEXP_STRING, function next() {
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53 | var state = getInternalState(this);
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54 | if (state.done) return { value: undefined, done: true };
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55 | var R = state.regexp;
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56 | var S = state.string;
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57 | var match = regExpExec(R, S);
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58 | if (match === null) return { value: undefined, done: state.done = true };
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59 | if (state.global) {
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60 | if (String(match[0]) == '') R.lastIndex = advanceStringIndex(S, toLength(R.lastIndex), state.unicode);
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61 | return { value: match, done: false };
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62 | }
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63 | state.done = true;
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64 | return { value: match, done: false };
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65 | });
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66 |
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67 | var $matchAll = function (string) {
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68 | var R = anObject(this);
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69 | var S = String(string);
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70 | var C, flagsValue, flags, matcher, global, fullUnicode;
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71 | C = speciesConstructor(R, RegExp);
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72 | flagsValue = R.flags;
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73 | if (flagsValue === undefined && R instanceof RegExp && !('flags' in RegExpPrototype)) {
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74 | flagsValue = getRegExpFlags.call(R);
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75 | }
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76 | flags = flagsValue === undefined ? '' : String(flagsValue);
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77 | matcher = new C(C === RegExp ? R.source : R, flags);
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78 | global = !!~flags.indexOf('g');
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79 | fullUnicode = !!~flags.indexOf('u');
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80 | matcher.lastIndex = toLength(R.lastIndex);
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81 | return new $RegExpStringIterator(matcher, S, global, fullUnicode);
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82 | };
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83 |
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84 |
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85 |
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86 | $({ target: 'String', proto: true, forced: WORKS_WITH_NON_GLOBAL_REGEX }, {
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87 | matchAll: function matchAll(regexp) {
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88 | var O = requireObjectCoercible(this);
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89 | var flags, S, matcher, rx;
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90 | if (regexp != null) {
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91 | if (isRegExp(regexp)) {
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92 | flags = String(requireObjectCoercible('flags' in RegExpPrototype
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93 | ? regexp.flags
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94 | : getRegExpFlags.call(regexp)
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95 | ));
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96 | if (!~flags.indexOf('g')) throw TypeError('`.matchAll` does not allow non-global regexes');
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97 | }
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98 | if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
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99 | matcher = regexp[MATCH_ALL];
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100 | if (matcher === undefined && IS_PURE && classof(regexp) == 'RegExp') matcher = $matchAll;
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101 | if (matcher != null) return aFunction(matcher).call(regexp, O);
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102 | } else if (WORKS_WITH_NON_GLOBAL_REGEX) return nativeMatchAll.apply(O, arguments);
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103 | S = String(O);
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104 | rx = new RegExp(regexp, 'g');
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105 | return IS_PURE ? $matchAll.call(rx, S) : rx[MATCH_ALL](S);
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106 | }
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107 | });
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108 |
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109 | IS_PURE || MATCH_ALL in RegExpPrototype || createNonEnumerableProperty(RegExpPrototype, MATCH_ALL, $matchAll);
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