1'use strict';
2
3var anObject = require('./_an-object');
4var toLength = require('./_to-length');
5var advanceStringIndex = require('./_advance-string-index');
6var regExpExec = require('./_regexp-exec-abstract');
7
8// @@match logic
9require('./_fix-re-wks')('match', 1, function (defined, MATCH, $match, maybeCallNative) {
10  return [
11    // `String.prototype.match` method
12    // https://tc39.github.io/ecma262/#sec-string.prototype.match
13    function match(regexp) {
14      var O = defined(this);
15      var fn = regexp == undefined ? undefined : regexp[MATCH];
16      return fn !== undefined ? fn.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
17    },
18    // `RegExp.prototype[@@match]` method
19    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
20    function (regexp) {
21      var res = maybeCallNative($match, regexp, this);
22      if (res.done) return res.value;
23      var rx = anObject(regexp);
24      var S = String(this);
25      if (!rx.global) return regExpExec(rx, S);
26      var fullUnicode = rx.unicode;
27      rx.lastIndex = 0;
28      var A = [];
29      var n = 0;
30      var result;
31      while ((result = regExpExec(rx, S)) !== null) {
32        var matchStr = String(result[0]);
33        A[n] = matchStr;
34        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
35        n++;
36      }
37      return n === 0 ? null : A;
38    }
39  ];
40});
41