将数组析构到对象属性键 [英] Destructure array to object property keys

问题描述

我有一系列值，如：

const arr = [1,2,3];

有什么方法可以使用解构来创建以下输出？如果没有，我在ES6（或更高版本）中最简单的方法是什么？

Is there any way I can use destructuring to create the following output? If not, what is the easiest way I can do this in ES6 (or later)?

const obj = {
    one: 1,
    two: 2,
    three: 3
};

我试过这个，但我猜它不起作用，因为这是计算键的语法：

I tried this, but I guess it doesn't work as this is the syntax for computed keys:

const arr = [1,2,3];
const obj = {
  [one, two, three] = arr
};

推荐答案

我不相信有任何结构/解构解决方案一步到位，没有。我想在这个问题中找到类似的 。旧的 ：= strawman提案似乎没有新的提案清单，所以我不知道我认为现在有很多活动。

I don't believe there's any structuring/destructuring solution to doing that in a single step, no. I wanted something similar in this question. The old := strawman proposal doesn't seem to have legs in the new proposal list, so I don't think there's much activity around this right now.

这个答案显示了一个非常简洁的两步版本。

This answer shows a very neat two-step version.

但如果它是两个步骤，你也可以使用一个简单的对象初始值设定项：

But if it's two steps, you may as well use a simple object initializer:

const arr = [1,2,3];
const obj = {
  one: arr[0],
  two: arr[1],
  three: arr[2]
};
console.log(obj);

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