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49 lines
1.8 KiB
49 lines
1.8 KiB
4 weeks ago
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'use strict';
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var call = require('../internals/function-call');
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var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
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var anObject = require('../internals/an-object');
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var isNullOrUndefined = require('../internals/is-null-or-undefined');
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var toLength = require('../internals/to-length');
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var toString = require('../internals/to-string');
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var requireObjectCoercible = require('../internals/require-object-coercible');
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var getMethod = require('../internals/get-method');
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var advanceStringIndex = require('../internals/advance-string-index');
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var regExpExec = require('../internals/regexp-exec-abstract');
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// @@match logic
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fixRegExpWellKnownSymbolLogic('match', function (MATCH, nativeMatch, maybeCallNative) {
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return [
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// `String.prototype.match` method
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// https://tc39.es/ecma262/#sec-string.prototype.match
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function match(regexp) {
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var O = requireObjectCoercible(this);
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var matcher = isNullOrUndefined(regexp) ? undefined : getMethod(regexp, MATCH);
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return matcher ? call(matcher, regexp, O) : new RegExp(regexp)[MATCH](toString(O));
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},
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// `RegExp.prototype[@@match]` method
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// https://tc39.es/ecma262/#sec-regexp.prototype-@@match
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function (string) {
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var rx = anObject(this);
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var S = toString(string);
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var res = maybeCallNative(nativeMatch, rx, S);
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if (res.done) return res.value;
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if (!rx.global) return regExpExec(rx, S);
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var fullUnicode = rx.unicode;
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rx.lastIndex = 0;
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var A = [];
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var n = 0;
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var result;
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while ((result = regExpExec(rx, S)) !== null) {
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var matchStr = toString(result[0]);
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A[n] = matchStr;
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if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
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n++;
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}
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return n === 0 ? null : A;
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}
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];
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});
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