2 /* eslint-disable es/no-string-prototype-matchall -- safe */
3 var $ = require('../internals/export');
4 var global = require('../internals/global');
5 var call = require('../internals/function-call');
6 var uncurryThis = require('../internals/function-uncurry-this');
7 var createIteratorConstructor = require('../internals/create-iterator-constructor');
8 var requireObjectCoercible = require('../internals/require-object-coercible');
9 var toLength = require('../internals/to-length');
10 var toString = require('../internals/to-string');
11 var anObject = require('../internals/an-object');
12 var classof = require('../internals/classof-raw');
13 var isPrototypeOf = require('../internals/object-is-prototype-of');
14 var isRegExp = require('../internals/is-regexp');
15 var regExpFlags = require('../internals/regexp-flags');
16 var getMethod = require('../internals/get-method');
17 var redefine = require('../internals/redefine');
18 var fails = require('../internals/fails');
19 var wellKnownSymbol = require('../internals/well-known-symbol');
20 var speciesConstructor = require('../internals/species-constructor');
21 var advanceStringIndex = require('../internals/advance-string-index');
22 var regExpExec = require('../internals/regexp-exec-abstract');
23 var InternalStateModule = require('../internals/internal-state');
24 var IS_PURE = require('../internals/is-pure');
26 var MATCH_ALL = wellKnownSymbol('matchAll');
27 var REGEXP_STRING = 'RegExp String';
28 var REGEXP_STRING_ITERATOR = REGEXP_STRING + ' Iterator';
29 var setInternalState = InternalStateModule.set;
30 var getInternalState = InternalStateModule.getterFor(REGEXP_STRING_ITERATOR);
31 var RegExpPrototype = RegExp.prototype;
32 var TypeError = global.TypeError;
33 var getFlags = uncurryThis(regExpFlags);
34 var stringIndexOf = uncurryThis(''.indexOf);
35 var un$MatchAll = uncurryThis(''.matchAll);
37 var WORKS_WITH_NON_GLOBAL_REGEX = !!un$MatchAll && !fails(function () {
38 un$MatchAll('a', /./);
41 var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, $global, fullUnicode) {
42 setInternalState(this, {
43 type: REGEXP_STRING_ITERATOR,
50 }, REGEXP_STRING, function next() {
51 var state = getInternalState(this);
52 if (state.done) return { value: undefined, done: true };
55 var match = regExpExec(R, S);
56 if (match === null) return { value: undefined, done: state.done = true };
58 if (toString(match[0]) === '') R.lastIndex = advanceStringIndex(S, toLength(R.lastIndex), state.unicode);
59 return { value: match, done: false };
62 return { value: match, done: false };
65 var $matchAll = function (string) {
66 var R = anObject(this);
67 var S = toString(string);
68 var C, flagsValue, flags, matcher, $global, fullUnicode;
69 C = speciesConstructor(R, RegExp);
71 if (flagsValue === undefined && isPrototypeOf(RegExpPrototype, R) && !('flags' in RegExpPrototype)) {
72 flagsValue = getFlags(R);
74 flags = flagsValue === undefined ? '' : toString(flagsValue);
75 matcher = new C(C === RegExp ? R.source : R, flags);
76 $global = !!~stringIndexOf(flags, 'g');
77 fullUnicode = !!~stringIndexOf(flags, 'u');
78 matcher.lastIndex = toLength(R.lastIndex);
79 return new $RegExpStringIterator(matcher, S, $global, fullUnicode);
82 // `String.prototype.matchAll` method
83 // https://tc39.es/ecma262/#sec-string.prototype.matchall
84 $({ target: 'String', proto: true, forced: WORKS_WITH_NON_GLOBAL_REGEX }, {
85 matchAll: function matchAll(regexp) {
86 var O = requireObjectCoercible(this);
87 var flags, S, matcher, rx;
89 if (isRegExp(regexp)) {
90 flags = toString(requireObjectCoercible('flags' in RegExpPrototype
94 if (!~stringIndexOf(flags, 'g')) throw TypeError('`.matchAll` does not allow non-global regexes');
96 if (WORKS_WITH_NON_GLOBAL_REGEX) return un$MatchAll(O, regexp);
97 matcher = getMethod(regexp, MATCH_ALL);
98 if (matcher === undefined && IS_PURE && classof(regexp) == 'RegExp') matcher = $matchAll;
99 if (matcher) return call(matcher, regexp, O);
100 } else if (WORKS_WITH_NON_GLOBAL_REGEX) return un$MatchAll(O, regexp);
102 rx = new RegExp(regexp, 'g');
103 return IS_PURE ? call($matchAll, rx, S) : rx[MATCH_ALL](S);
107 IS_PURE || MATCH_ALL in RegExpPrototype || redefine(RegExpPrototype, MATCH_ALL, $matchAll);