39 lines
1.6 KiB
JavaScript
39 lines
1.6 KiB
JavaScript
'use strict';
|
|
var call = require('../internals/function-call');
|
|
var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');
|
|
var anObject = require('../internals/an-object');
|
|
var isNullOrUndefined = require('../internals/is-null-or-undefined');
|
|
var requireObjectCoercible = require('../internals/require-object-coercible');
|
|
var sameValue = require('../internals/same-value');
|
|
var toString = require('../internals/to-string');
|
|
var getMethod = require('../internals/get-method');
|
|
var regExpExec = require('../internals/regexp-exec-abstract');
|
|
|
|
// @@search logic
|
|
fixRegExpWellKnownSymbolLogic('search', function (SEARCH, nativeSearch, maybeCallNative) {
|
|
return [
|
|
// `String.prototype.search` method
|
|
// https://tc39.es/ecma262/#sec-string.prototype.search
|
|
function search(regexp) {
|
|
var O = requireObjectCoercible(this);
|
|
var searcher = isNullOrUndefined(regexp) ? undefined : getMethod(regexp, SEARCH);
|
|
return searcher ? call(searcher, regexp, O) : new RegExp(regexp)[SEARCH](toString(O));
|
|
},
|
|
// `RegExp.prototype[@@search]` method
|
|
// https://tc39.es/ecma262/#sec-regexp.prototype-@@search
|
|
function (string) {
|
|
var rx = anObject(this);
|
|
var S = toString(string);
|
|
var res = maybeCallNative(nativeSearch, rx, S);
|
|
|
|
if (res.done) return res.value;
|
|
|
|
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;
|
|
}
|
|
];
|
|
});
|