61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
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import fs from 'fs'
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import path from 'path'
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type Metadata = {
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title: string
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publishedAt: string
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summary: string
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image?: string
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}
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function parseFrontmatter(fileContent: string) {
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const frontmatterRegex = /---\s*([\s\S]*?)\s*---/
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const match = frontmatterRegex.exec(fileContent)
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const frontMatterBlock = match![1]
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const content = fileContent.replace(frontmatterRegex, '').trim()
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const frontMatterLines = frontMatterBlock.trim().split('\n')
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const metadata: Partial<Metadata> = {}
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frontMatterLines.forEach((line) => {
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const [key, ...valueArr] = line.split(': ')
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let value = valueArr.join(': ').trim()
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value = value.replace(/^['"](.*)['"]$/, '$1') // Remove quotes
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metadata[key.trim() as keyof Metadata] = value
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})
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return { metadata: metadata as Metadata, content }
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}
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function getMDXFiles(dir: fs.PathLike) {
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return fs.readdirSync(dir).filter((file) => path.extname(file) === '.mdx')
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}
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function readMDXFile(filePath: fs.PathOrFileDescriptor) {
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const rawContent = fs.readFileSync(filePath, 'utf-8')
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return parseFrontmatter(rawContent)
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}
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function extractTweetIds(content: string) {
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const tweetMatches = content.match(/<StaticTweet\sid="[0-9]+"\s\/>/g)
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return tweetMatches?.map((tweet) => tweet.match(/[0-9]+/g)?.[0]) || []
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}
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function getMDXData(dir: string) {
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const mdxFiles = getMDXFiles(dir)
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return mdxFiles.map((file) => {
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const { metadata, content } = readMDXFile(path.join(dir, file))
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const slug = path.basename(file, path.extname(file))
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const tweetIds = extractTweetIds(content)
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return {
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metadata,
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slug,
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tweetIds,
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content,
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}
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})
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}
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export function getBlogPosts() {
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return getMDXData(path.join(process.cwd(), 'content'))
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}
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