我有一个类别列表，父类别的父值为0.
我正在尝试过滤我的数据并创建一个名为options的新数组，其中包含父类子类的名称/。
这是我的代码：
export function getCategories(state = [], action) {
switch (action.type) {
case "FETCH_DATA_SUCCESS":
const categorys = {};
// get sub and parent cats in their own array
const subCategories = action.data.categories.filter(
category => category.parent > 0
);
const parentCategories = action.data.categories.filter(
category => category.parent == 0
);
person => {
if (person.age > 18) return person;
};
parentCategories.map(parentCategory => {
//map parent and create options containing name and id
let options = subCategories.filter(subCategory => {
if (subCategory.parent == parentCategory.id)
return subCategory;
});
categorys[i] = {
id: parentCategory.id,
label: parentCategory.name,
options: options
};
});
return categorys;
default:
return state;
}
}
我的数据如下：
{
"rest_url": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/",
"total": 6,
"total_pages": 1,
"categories": [
{
"id": 59,
"count": 2,
"description": "",
"name": "firm1",
"slug": "firm1",
"taxonomy": "tribe_events_cat",
"parent": 60,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year1/firm1/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/59",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories",
"up": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/60"
}
},
{
"id": 65,
"count": 1,
"description": "",
"name": "firm1",
"slug": "firm1-year2",
"taxonomy": "tribe_events_cat",
"parent": 63,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year2/firm1-year2/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/65",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories",
"up": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/63"
}
},
{
"id": 68,
"count": 1,
"description": "",
"name": "firm3",
"slug": "firm3",
"taxonomy": "tribe_events_cat",
"parent": 64,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year3/firm3/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/68",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories",
"up": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/64"
}
},
{
"id": 60,
"count": 1,
"description": "",
"name": "year1",
"slug": "year1",
"taxonomy": "tribe_events_cat",
"parent": 0,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year1/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/60",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories"
}
},
{
"id": 63,
"count": 1,
"description": "",
"name": "year2",
"slug": "year2",
"taxonomy": "tribe_events_cat",
"parent": 0,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year2/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/63",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories"
}
},
{
"id": 64,
"count": 1,
"description": "",
"name": "year3",
"slug": "year3",
"taxonomy": "tribe_events_cat",
"parent": 0,
"meta": [],
"url": "http://wordpress.rguc.co.uk/events/category/year3/",
"urls": {
"self": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/64",
"collection": "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories"
}
}
]
}
我希望我的新数据看起来像这样：
[
{
id: 0,
label: "Year 1",
value: 1,
options: [
{ name: "Firm 1", id: 1 },
{ name: "Firm 2", id: 2 },
{ name: "Firm 3", id: 3 }
]
},
{
id: 1,
label: "Year 2",
value: 2,
options: [
{ name: "Firm 4", id: 4 },
{ name: "Firm 5", id: 5 },
{ name: "Firm 6", id: 6 }
]
},
{
id: 2,
label: "Year 3",
value: 3,
options: [
{ name: "Firm 7", id: 7 },
{ name: "Firm 8", id: 8 },
{ name: "Firm 9", id: 9 }
]
}
];
答案 0 :(得分：0)
您可以映射结果以获取数组而不是索引为键的对象。
const action = { data: { rest_url: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/", total: 6, total_pages: 1, categories: [{ id: 59, count: 2, description: "", name: "firm1", slug: "firm1", taxonomy: "tribe_events_cat", parent: 60, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year1/firm1/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/59", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories", up: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/60" } }, { id: 65, count: 1, description: "", name: "firm1", slug: "firm1-year2", taxonomy: "tribe_events_cat", parent: 63, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year2/firm1-year2/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/65", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories", up: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/63" } }, { id: 68, count: 1, description: "", name: "firm3", slug: "firm3", taxonomy: "tribe_events_cat", parent: 64, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year3/firm3/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/68", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories", up: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/64" } }, { id: 60, count: 1, description: "", name: "year1", slug: "year1", taxonomy: "tribe_events_cat", parent: 0, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year1/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/60", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories" } }, { id: 63, count: 1, description: "", name: "year2", slug: "year2", taxonomy: "tribe_events_cat", parent: 0, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year2/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/63", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories" } }, { id: 64, count: 1, description: "", name: "year3", slug: "year3", taxonomy: "tribe_events_cat", parent: 0, meta: [], url: "http://wordpress.rguc.co.uk/events/category/year3/", urls: { self: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories/64", collection: "http://wordpress.rguc.co.uk/wp-json/tribe/events/v1/categories" } }] } };
// get sub and parent cats in their own array
const subCategories = action.data.categories.filter(
category => category.parent > 0
);
const parentCategories = action.data.categories.filter(
category => category.parent == 0
);
const categorys = parentCategories.map(({ id, name: label }) => ({
id,
label,
options: subCategories
.filter(({ parent }) => parent === id)
.map(({ id, name }) => ({ id, name }))
}));
console.log(categorys);.as-console-wrapper { max-height: 100% !important; top: 0; }