2021-11-08 15:10:26 +01:00
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import fs from 'node:fs'
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import path from 'node:path'
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import type { MDXRemoteSerializeResult } from 'next-mdx-remote'
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import { serialize } from 'next-mdx-remote/serialize'
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import remarkGfm from 'remark-gfm'
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import remarkPrism from 'remark-prism'
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2021-11-09 15:14:31 +01:00
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import rehypeSlug from 'rehype-slug'
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2021-11-08 15:10:26 +01:00
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import matter from 'gray-matter'
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export const postsPath = path.join(process.cwd(), 'posts')
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export type MDXSource = MDXRemoteSerializeResult<Record<string, unknown>>
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export interface FrontMatter {
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title: string
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description: string
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isPublished: boolean
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publishedOn: string
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}
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export interface PostMetadata {
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frontmatter: FrontMatter
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slug: string
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content: string
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}
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export interface Post extends PostMetadata {
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source: MDXSource
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}
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export const getPosts = async (): Promise<PostMetadata[]> => {
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const posts = await fs.promises.readdir(postsPath)
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const postsWithTime = await Promise.all(
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posts.map(async (postFilename) => {
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const [slug] = postFilename.split('.')
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const blogPostPath = path.join(postsPath, `${slug}.mdx`)
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const blogPostContent = await fs.promises.readFile(blogPostPath, {
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encoding: 'utf8'
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})
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const { data, content } = matter(blogPostContent) as any
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const date = new Date(data.publishedOn)
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return {
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slug,
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content,
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frontmatter: data,
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time: date.getTime()
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}
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})
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)
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const postsWithTimeSorted = postsWithTime
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.filter((post) => post.frontmatter.isPublished)
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.sort((a, b) => b.time - a.time)
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return postsWithTimeSorted
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}
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export const getPostBySlug = async (
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slug?: string | string[]
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): Promise<Post | undefined> => {
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const posts = await getPosts()
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const post = posts.find((post) => post.slug === slug)
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if (post == null) {
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return undefined
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}
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const source = await serialize(post.content, {
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mdxOptions: {
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2021-11-09 15:14:31 +01:00
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remarkPlugins: [remarkGfm as any, remarkPrism],
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rehypePlugins: [rehypeSlug as any]
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2021-11-08 15:10:26 +01:00
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}
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})
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return { ...post, source }
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}
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