1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- '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 toLength = require('../internals/to-length');
- var toString = require('../internals/to-string');
- var requireObjectCoercible = require('../internals/require-object-coercible');
- var getMethod = require('../internals/get-method');
- var advanceStringIndex = require('../internals/advance-string-index');
- var regExpExec = require('../internals/regexp-exec-abstract');
- // @@match logic
- fixRegExpWellKnownSymbolLogic('match', function (MATCH, nativeMatch, maybeCallNative) {
- return [
- // `String.prototype.match` method
- // https://tc39.es/ecma262/#sec-string.prototype.match
- function match(regexp) {
- var O = requireObjectCoercible(this);
- var matcher = regexp == undefined ? undefined : getMethod(regexp, MATCH);
- return matcher ? call(matcher, regexp, O) : new RegExp(regexp)[MATCH](toString(O));
- },
- // `RegExp.prototype[@@match]` method
- // https://tc39.es/ecma262/#sec-regexp.prototype-@@match
- function (string) {
- var rx = anObject(this);
- var S = toString(string);
- var res = maybeCallNative(nativeMatch, rx, S);
- if (res.done) return res.value;
- if (!rx.global) return regExpExec(rx, S);
- var fullUnicode = rx.unicode;
- rx.lastIndex = 0;
- var A = [];
- var n = 0;
- var result;
- while ((result = regExpExec(rx, S)) !== null) {
- var matchStr = toString(result[0]);
- A[n] = matchStr;
- if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
- n++;
- }
- return n === 0 ? null : A;
- }
- ];
- });
|