[英]Sort array from object based on a property and return the sorted initial object
我有以下 object
{
"object": "list",
"url": "/v1/prices",
"has_more": false,
"data": [
{
"id": "price_1KHlU72eZvKYlo2CblI51Z8e",
"object": "price",
"active": true,
"billing_scheme": "per_unit",
"created": 1642150211,
"currency": "usd",
"livemode": false,
"lookup_key": null,
"metadata": {},
"nickname": null,
"product": "prod_Kxgr3hZDfHnqu1",
"recurring": {
"aggregate_usage": null,
"interval": "month",
"interval_count": 1,
"usage_type": "licensed"
},
"tax_behavior": "unspecified",
"tiers_mode": null,
"transform_quantity": null,
"type": "recurring",
"unit_amount": 2,
"unit_amount_decimal": "2"
},
{...},
{...}
]
}
如何根据unit_amount属性对object.data进行排序,并保留 object 的初始值(url,has_more,...)?
我试过使用 Ramda,但它给了我一个新的 object 只是排序数据。
所以我需要对来自初始 object 的 object.data 进行排序,并在排序后返回整个 object。
只是简单的排序,例如
const obj = { "object": "list", "url": "/v1/prices", "has_more": false, "data": [ {"unit_amount": 2,}, {"unit_amount": 1,}, {"unit_amount": 3,}, {"unit_amount": 9,}, {"unit_amount": 5,}, ] }; const newObj = {...obj, data: obj.data.sort((o1, o2) => o1.unit_amount - o2.unit_amount) }; console.log(newObj)
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Javascript 中的对象对其属性没有固有的顺序,而 arrays 有,所以我建议您提取数据数组,对其进行排序,然后替换 object 中的未排序版本。 像这样的东西(为了便于阅读而简化的对象):
o = {
"object": "list",
"url": "/v1/prices",
"has_more": false,
"data": [
{
"id": "price_1KH",
"unit_amount": 12,
},
{
"id": "price_7QW",
"unit_amount": 3,
},
{
"id": "price_4DD",
"unit_amount": 7,
},
]
}
let data = o.data;
data.sort((x, y) => x.unit_amount - y.unit_amount);
o.data = data;
console.dir(o);
VM694:23
Object
data: Array(3)
0: {id: 'price_7QW', unit_amount: 3}
1: {id: 'price_4DD', unit_amount: 7}
2: {id: 'price_1KH', unit_amount: 12}
length: 3
[[Prototype]]: Array(0)
has_more: false
object: "list"
url: "/v1/prices"
[[Prototype]]: Object
Ramda 不会让您轻松修改数据,但如果您想使用数组的排序副本创建输入的副本,使用镜头函数lensProp
和over
非常简单:
const sortData = over (lensProp ('data'), sortBy (prop ('unit_amount'))) const obj = {object: "list", url: "/v1/prices", has_more: false, data: [{unit_amount: 2,}, {unit_amount: 1,}, {unit_amount: 3,}, {unit_amount: 9,}, {unit_amount: 5,} ]}; console.log (sortData (obj))
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<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.27.2/ramda.min.js"></script> <script>const {over, lensProp, sortBy, prop} = R </script>
在这里,我们从 Alexandr Belan 那里窃取了简单的输入格式。 该答案已经有一些简单的代码。 我认为这更简单——而且它肯定更具声明性——但除非我已经在我的应用程序中使用 Ramda,否则我不会打扰它。
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