是否有更好的方法可以通过其属性对对象进行分类？

发布于 2025-02-11 15:42:28 字数 1374 浏览 2 评论 0原文

tl; dr

我如何（更好）分类对象的属性？

问题

我有一个对象（如下面的对象），我需要将属性（键/值对）移至所述对象的开始开始。

// Pre-sorted! But can be in any arrangement due to a hidden `channel.live` property
// name: date
{
    // beginning
    "channel-1": "2022-06-29T11:20:14.000Z",
    "channel-2": "2022-06-29T05:58:18.000Z",
    "channel-3": "2022-06-29T05:18:49.000Z",
    "channel-4": "2022-06-29T04:08:35.000Z",
    "channel-5": "2022-06-29T01:52:31.000Z",
    "channel-6": "2022-06-29T01:00:40.000Z",
    "channel-7": "2022-06-29T00:59:47.000Z",
    "channel-8": "2022-06-29T00:07:28.000Z",
    "channel-9": "2022-06-28T23:55:27.000Z",
    // end
}

尝试的解决方案

当前的解决方案是删除所有其他属性并重新添加它们（将它们放在 end End 上）。

eg 如果我删除channel-5并重新添加它，则该对象将被串制（通过json.stringify）为{ “ channel-1”：“ ...” em> end 。

// Prioritize live channels!
// This will move a channel that isn't live to the end of the `Channels` object
if(!channel.live) {
    delete Channels[name];

    Channels[name] = date.toJSON();
}

原文

TL;DR

How can I (better) sort an object's properties?

I am not trying to [sort an] object property by values nor its keys.

Issue

I have an object (like the one below) where I need to move properties (key/value pairs) to the beginning of said object.

// Pre-sorted! But can be in any arrangement due to a hidden `channel.live` property
// name: date
{
    // beginning
    "channel-1": "2022-06-29T11:20:14.000Z",
    "channel-2": "2022-06-29T05:58:18.000Z",
    "channel-3": "2022-06-29T05:18:49.000Z",
    "channel-4": "2022-06-29T04:08:35.000Z",
    "channel-5": "2022-06-29T01:52:31.000Z",
    "channel-6": "2022-06-29T01:00:40.000Z",
    "channel-7": "2022-06-29T00:59:47.000Z",
    "channel-8": "2022-06-29T00:07:28.000Z",
    "channel-9": "2022-06-28T23:55:27.000Z",
    // end
}

Tried Solution(s)

The current solution is to delete every other property and re-add them (putting them at the end).

E.g. If I delete channel-5 and re-add it, the object will be stringified (via JSON.stringify) as {"channel-1":"..." ··· "channel-9":"...","channel-5":"..."}, effectively moving the property to the end.

// Prioritize live channels!
// This will move a channel that isn't live to the end of the `Channels` object
if(!channel.live) {
    delete Channels[name];

    Channels[name] = date.toJSON();
}

分享到QQ

分享到微博

如果你对这篇内容有疑问，欢迎到本站社区发帖提问参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。

发布评论

需要登录才能够评论，你可以免费注册一个本站的账号。

城歌 2025-02-18 15:42:28

由于您需要根据您的条件删除和添加频道，因此我提到了一种方法来达到您的要求，它适用于您。

let Channels = {
    "channel-1": "2022-06-29T11:20:14.000Z",
    "channel-2": "2022-06-29T05:58:18.000Z",
    "channel-3": "2022-06-29T05:18:49.000Z",
    "channel-4": "2022-06-29T04:08:35.000Z",
    "channel-5": "2022-06-29T01:52:31.000Z",
    "channel-6": "2022-06-29T01:00:40.000Z",
    "channel-7": "2022-06-29T00:59:47.000Z",
    "channel-8": "2022-06-29T00:07:28.000Z",
    "channel-9": "2022-06-28T23:55:27.000Z",
}

if(!channel.live) {
  delete Channels[name];
  Channels[name] = date.toJSON();
}

if(channel.live)
  Channels = { [name]: time.toJSON(), ...Channels };
}

const updatedChannels = {};
Object.keys(Channels).sort().forEach(item => (updatedChannels[item] = Channels[item]));

Channels = updatedChannels;

As you have requirement to delete and add channels as per your conditions i have mention one method to achieve your requirement it should works for you.

let Channels = {
    "channel-1": "2022-06-29T11:20:14.000Z",
    "channel-2": "2022-06-29T05:58:18.000Z",
    "channel-3": "2022-06-29T05:18:49.000Z",
    "channel-4": "2022-06-29T04:08:35.000Z",
    "channel-5": "2022-06-29T01:52:31.000Z",
    "channel-6": "2022-06-29T01:00:40.000Z",
    "channel-7": "2022-06-29T00:59:47.000Z",
    "channel-8": "2022-06-29T00:07:28.000Z",
    "channel-9": "2022-06-28T23:55:27.000Z",
}

if(!channel.live) {
  delete Channels[name];
  Channels[name] = date.toJSON();
}

if(channel.live)
  Channels = { [name]: time.toJSON(), ...Channels };
}

const updatedChannels = {};
Object.keys(Channels).sort().forEach(item => (updatedChannels[item] = Channels[item]));

Channels = updatedChannels;

回复收藏 0 原文

世态炎凉 2025-02-18 15:42:28

复制该死的对象...

// Prioritize live channels!
// This will move a channel that is live to the beginning of the `Channels` object
if(channel.live) {
    // Ensures `...Channels` doees NOT overwrite the new property
    delete Channels[name];

    Channels = { [name]: time.toJSON(), ...Channels };
}

Copy the darn object...

// Prioritize live channels!
// This will move a channel that is live to the beginning of the `Channels` object
if(channel.live) {
    // Ensures `...Channels` doees NOT overwrite the new property
    delete Channels[name];

    Channels = { [name]: time.toJSON(), ...Channels };
}

回复收藏 0 原文

~没有更多了~