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// 19.1.2.1 Object.assign(target, source, ...)
var $ = require('./$')
, toObject = require('./$.to-object')
, IObject = require('./$.iobject');
// should work with symbols and should have deterministic property order (V8 bug)
module.exports = require('./$.fails')(function(){
var a = Object.assign
, A = {}
, B = {}
, S = Symbol()
, K = 'abcdefghijklmnopqrst';
A[S] = 7;
K.split('').forEach(function(k){ B[k] = k; });
return a({}, A)[S] != 7 || Object.keys(a({}, B)).join('') != K;
}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
var T = toObject(target)
, $$ = arguments
, $$len = $$.length
, index = 1
, getKeys = $.getKeys
, getSymbols = $.getSymbols
, isEnum = $.isEnum;
while($$len > index){
var S = IObject($$[index++])
, keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
, length = keys.length
, j = 0
, key;
while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
}
return T;
} : Object.assign;
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