78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
import fs from 'fs/promises'
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import path from 'path'
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import matter from 'gray-matter'
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import { compileMDX } from 'next-mdx-remote/rsc'
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import { cache } from 'react'
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import { useMDXComponents } from '@/mdx-components'
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const postsDirectory = path.join(process.cwd(), 'content/posts')
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export interface PostMeta {
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slug: string
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title: string
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date: string
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excerpt: string
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}
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export interface Post extends PostMeta {
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source: string
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}
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const getMdxFiles = cache(async () => {
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try {
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const files = await fs.readdir(postsDirectory)
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return files.filter((f) => f.endsWith('.mdx') || f.endsWith('.md'))
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} catch {
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return []
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}
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})
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export const getPosts = cache(async (): Promise<PostMeta[]> => {
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const files = await getMdxFiles()
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return Promise.all(
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files.map(async (file) => {
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const filePath = path.join(postsDirectory, file)
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const raw = await fs.readFile(filePath, 'utf8')
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const { data } = matter(raw)
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return {
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slug: file.replace(/\.(mdx|md)$/, ''),
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title: data.title ?? file,
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date: data.date ?? 'Unknown',
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excerpt: data.excerpt ?? '',
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} as PostMeta
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})
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).then((posts) =>
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posts.sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime())
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)
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})
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export const getPost = async (slug: string): Promise<Post | null> => {
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const files = await getMdxFiles()
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const file = files.find((f) => f.replace(/\.(mdx|md)$/, '') === slug)
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if (!file) return null
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const filePath = path.join(postsDirectory, file)
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const raw = await fs.readFile(filePath, 'utf8')
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const { data, content } = matter(raw)
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const components = useMDXComponents({})
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const { content: compiledContent } = await compileMDX({
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source: content,
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components,
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options: { parseFrontmatter: true },
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})
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return {
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slug,
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title: data.title ?? file,
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date: data.date ?? 'Unknown',
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excerpt: data.excerpt ?? '',
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source: compiledContent,
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} as unknown as Post
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}
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export const getReadingTime = (content: string): number => {
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const words = content.replace(/<[^>]*>/g, '').trim().split(/\s+/).filter(Boolean).length
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return Math.max(1, Math.ceil(words / 200))
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}
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