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32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
6 years ago
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'use strict';
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var anObject = require('./_an-object');
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var sameValue = require('./_same-value');
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var regExpExec = require('./_regexp-exec-abstract');
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// @@search logic
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require('./_fix-re-wks')('search', 1, function (defined, SEARCH, $search, maybeCallNative) {
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return [
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// `String.prototype.search` method
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// https://tc39.github.io/ecma262/#sec-string.prototype.search
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function search(regexp) {
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var O = defined(this);
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var fn = regexp == undefined ? undefined : regexp[SEARCH];
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return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
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},
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// `RegExp.prototype[@@search]` method
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// https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
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function (regexp) {
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var res = maybeCallNative($search, 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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var previousLastIndex = rx.lastIndex;
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if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
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var result = regExpExec(rx, S);
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if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
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return result === null ? -1 : result.index;
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}
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];
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});
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