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40 lines
1.4 KiB
40 lines
1.4 KiB
'use strict'; |
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var anObject = require('./_an-object'); |
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var toLength = require('./_to-length'); |
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var advanceStringIndex = require('./_advance-string-index'); |
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var regExpExec = require('./_regexp-exec-abstract'); |
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// @@match logic |
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require('./_fix-re-wks')('match', 1, function (defined, MATCH, $match, maybeCallNative) { |
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return [ |
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// `String.prototype.match` method |
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// https://tc39.github.io/ecma262/#sec-string.prototype.match |
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function match(regexp) { |
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var O = defined(this); |
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var fn = regexp == undefined ? undefined : regexp[MATCH]; |
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return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O)); |
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}, |
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// `RegExp.prototype[@@match]` method |
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// https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match |
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function (regexp) { |
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var res = maybeCallNative($match, regexp, this); |
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if (res.done) return res.value; |
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var rx = anObject(regexp); |
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var S = String(this); |
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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 = String(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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