var $export = require('./$.export') , toIndex = require('./$.to-index') , fromCharCode = String.fromCharCode , $fromCodePoint = String.fromCodePoint; // length should be 1, old FF problem $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', { // 21.1.2.2 String.fromCodePoint(...codePoints) fromCodePoint: function fromCodePoint(x){ // eslint-disable-line no-unused-vars var res = [] , $$ = arguments , $$len = $$.length , i = 0 , code; while($$len > i){ code = +$$[i++]; if(toIndex(code, 0x10ffff) !== code)throw RangeError(code + ' is not a valid code point'); res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00) ); } return res.join(''); } });