work.suroh.tk/node_modules/core-js/modules/es6.regexp.search.js

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2019-12-02 12:22:45 +00:00
'use strict';
var anObject = require('./_an-object');
var sameValue = require('./_same-value');
var regExpExec = require('./_regexp-exec-abstract');
// @@search logic
require('./_fix-re-wks')('search', 1, function (defined, SEARCH, $search, maybeCallNative) {
return [
// `String.prototype.search` method
// https://tc39.github.io/ecma262/#sec-string.prototype.search
function search(regexp) {
var O = defined(this);
var fn = regexp == undefined ? undefined : regexp[SEARCH];
return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
},
// `RegExp.prototype[@@search]` method
// https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
function (regexp) {
var res = maybeCallNative($search, regexp, this);
if (res.done) return res.value;
var rx = anObject(regexp);
var S = String(this);
var previousLastIndex = rx.lastIndex;
if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
var result = regExpExec(rx, S);
if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
return result === null ? -1 : result.index;
}
];
});