blob: 41fa7ba6a79a6c695034a62330a10bbfd510afc8 [file] [log] [blame]
'use strict';
// https://tc39.github.io/String.prototype.matchAll/
var $export = require('./_export')
, defined = require('./_defined')
, toLength = require('./_to-length')
, isRegExp = require('./_is-regexp')
, getFlags = require('./_flags')
, RegExpProto = RegExp.prototype;
var $RegExpStringIterator = function(regexp, string){
this._r = regexp;
this._s = string;
};
require('./_iter-create')($RegExpStringIterator, 'RegExp String', function next(){
var match = this._r.exec(this._s);
return {value: match, done: match === null};
});
$export($export.P, 'String', {
matchAll: function matchAll(regexp){
defined(this);
if(!isRegExp(regexp))throw TypeError(regexp + ' is not a regexp!');
var S = String(this)
, flags = 'flags' in RegExpProto ? String(regexp.flags) : getFlags.call(regexp)
, rx = new RegExp(regexp.source, ~flags.indexOf('g') ? flags : 'g' + flags);
rx.lastIndex = toLength(regexp.lastIndex);
return new $RegExpStringIterator(rx, S);
}
});