Sha256: f7ed6a4d58632c93ebe51c472a40cdf9122e3c7b02fc37b202df5a51d6caefc9
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Size: 1.25 KB
Versions: 58
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Contents
'use strict';
// 19.1.2.1 Object.assign(target, source, ...)
var DESCRIPTORS = require('./_descriptors');
var getKeys = require('./_object-keys');
var gOPS = require('./_object-gops');
var pIE = require('./_object-pie');
var toObject = require('./_to-object');
var IObject = require('./_iobject');
var $assign = Object.assign;
// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || require('./_fails')(function () {
var A = {};
var B = {};
// eslint-disable-next-line no-undef
var S = Symbol();
var K = 'abcdefghijklmnopqrst';
A[S] = 7;
K.split('').forEach(function (k) { B[k] = k; });
return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
var T = toObject(target);
var aLen = arguments.length;
var index = 1;
var getSymbols = gOPS.f;
var isEnum = pIE.f;
while (aLen > index) {
var S = IObject(arguments[index++]);
var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
var length = keys.length;
var j = 0;
var key;
while (length > j) {
key = keys[j++];
if (!DESCRIPTORS || isEnum.call(S, key)) T[key] = S[key];
}
} return T;
} : $assign;
Version data entries
58 entries across 26 versions & 4 rubygems