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47 lines
1.7 KiB
47 lines
1.7 KiB
'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 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 = regexp == undefined ? 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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