mirror of
https://github.com/d0zingcat/NotionNext.git
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56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
import { isIterable } from '../utils'
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/**
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* 获取所有文章的标签
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* @param allPosts
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* @param sliceCount 默认截取数量为12，若为0则返回全部
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* @param categoryOptions categories的下拉选项
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* @returns {Promise<{}|*[]>}
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*/
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/**
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* 获取所有文章的分类
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* @param allPosts
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* @returns {Promise<{}|*[]>}
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*/
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export function getAllCategories({
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allPages,
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categoryOptions,
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sliceCount = 0
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}) {
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const allPosts = allPages?.filter(
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page => page.type === 'Post' && page.status === 'Published'
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)
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if (!allPosts || !categoryOptions) {
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return []
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}
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// 计数
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let categories = allPosts?.map(p => p.category)
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categories = [...categories.flat()]
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const categoryObj = {}
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categories.forEach(category => {
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if (category in categoryObj) {
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categoryObj[category]++
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} else {
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categoryObj[category] = 1
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}
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})
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const list = []
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if (isIterable(categoryOptions)) {
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for (const c of categoryOptions) {
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const count = categoryObj[c.value]
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if (count) {
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list.push({ id: c.id, name: c.value, color: c.color, count })
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}
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}
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}
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// 按照数量排序
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// list.sort((a, b) => b.count - a.count)
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if (sliceCount && sliceCount > 0) {
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return list.slice(0, sliceCount)
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} else {
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return list
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}
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}
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