回答編集履歴
1
Object\.assign\.apply 版コードを追加し、可変長引数にしました
answer
CHANGED
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@@ -11,22 +11,52 @@
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return this[key];
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}));
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-
var
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var mergeObjects1 = (function (assign, getObjectValues) {
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-
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function reducefn (previous, current) {
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return
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return assign(previous, current);
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}
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}(function reducefn (previous, current) {
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return Object.assign(previous, current);
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}));
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return function mergeObjects1 (target) {
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var array = [],
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i = 0,
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l = arguments.length;
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while (i < l) {
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array = array.concat(getObjectValues(arguments[i++]));
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}
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return array.reduce(reducefn);
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}
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}(Object.assign, getObjectValues));
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var mergeObjects2 = (function (assign, getObjectValues) {
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return function mergeObjects2 (target) {
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var array = [],
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i = 0,
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l = arguments.length;
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while (i < l) {
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array = array.concat(getObjectValues(arguments[i++]));
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}
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return assign.apply(null, array);
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};
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}(Object.assign, getObjectValues));
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var a = {model_name: {id : 1 , name : 'なまえ'}, model_name2: {address: 'tokyo'}};
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var b = {model_name: {id : 2 , tel : 11111}, model_name2: {zip: 5555}};
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console.log(JSON.stringify(
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console.log(JSON.stringify(mergeObjects1(a, b))); // {"id":2,"name":"なまえ","address":"tokyo","tel":11111,"zip":5555}
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console.log(JSON.stringify(mergeObjects2(a, b))); // {"id":2,"name":"なまえ","address":"tokyo","tel":11111,"zip":5555}
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```
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- [Object.values() - JavaScript | MDN](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Object/values)
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- [Object.assign() - JavaScript | MDN](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
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- [Array.prototype.reduce() - JavaScript | MDN](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce)
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---
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58
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**(2015/12/05 23:48追記)**
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Object.assign.apply 版コードを追加し、可変長引数にしました。
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Re: Natade_Gorilla さん
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