31 lines
784 B
TypeScript
31 lines
784 B
TypeScript
import { readFile } from 'node:fs/promises'
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import { join } from 'node:path'
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export default defineEventHandler(async (event) => {
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const slug = getRouterParam(event, 'slug')
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if (!slug || !/^[a-z0-9-]+$/.test(slug)) {
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throw createError({ statusCode: 400, statusMessage: 'Invalid slug' })
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}
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const filePath = join(process.cwd(), 'content', 'book', `${slug}.md`)
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try {
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const raw = await readFile(filePath, 'utf-8')
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const fmMatch = raw.match(/^---\n([\s\S]*?)\n---\n?/)
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let frontmatter = ''
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let body = raw
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if (fmMatch) {
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frontmatter = fmMatch[1]
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body = raw.slice(fmMatch[0].length)
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}
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return { slug, frontmatter, body }
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}
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catch {
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throw createError({ statusCode: 404, statusMessage: `Chapter "${slug}" not found` })
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}
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})
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