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2 years ago
'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;
}
];
});