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contentlayer.config.ts
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contentlayer.config.ts
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import { defineDocumentType, makeSource } from 'contentlayer/source-files'
import remarkGfm from 'remark-gfm'
import rehypeSlug from 'rehype-slug'
import rehypeAutolinkHeadings from 'rehype-autolink-headings'
import { marked } from 'marked'
import Slugger from 'github-slugger'
import * as fs from 'fs'
import * as path from 'path'
import * as examples from './src/examples'
function readDocgenFiles() {
const nodeModulesDir = path.resolve(
new URL(import.meta.url).pathname,
'../../../../node_modules/@spark-ui',
)
const packagesDir = fs.readdirSync(nodeModulesDir)
const docgenContents: Record<string, string | null> = ({} = packagesDir.reduce(
(contents, packageName) => {
const docgenFilePath = path.join(nodeModulesDir, packageName, 'dist/public/docgen.json')
try {
const currentContent = fs.readFileSync(docgenFilePath, 'utf-8')
contents[packageName] = JSON.parse(currentContent)
} catch (err) {
// Handle cases where the file doesn't exist
contents[packageName] = null
}
return contents
},
{},
))
return docgenContents
}
const docgenData = readDocgenFiles()
export const Doc = defineDocumentType(() => ({
name: 'Doc',
filePathPattern: `content/**/*.mdx`,
contentType: 'mdx',
fields: {
title: {
type: 'string',
description: 'The title of the doc',
required: true,
},
category: {
type: 'string',
description: 'The category of the doc',
required: true,
},
package: {
type: 'string',
description: 'The package name documented',
required: false,
},
},
computedFields: {
url: {
type: 'string',
resolve: doc => {
const [root,...rest] = doc._raw.flattenedPath.split('/')
return `/${rest.join('/')}`
},
},
slugAsParams: {
type: 'string',
resolve: doc => {
const [,, ...slugs] = doc._raw.flattenedPath.split('/')
const slugAsParams = slugs.filter(slug => slug !== 'index.mdx').join('/')
return slugAsParams
},
},
headings: {
type: 'json',
resolve: doc => {
const slugger = new Slugger()
const markdownText = doc.body.raw
let headings: Array<{
level: number
text: string
id: string
}> = []
if (!markdownText) {
return headings
}
slugger.reset()
const tokens = marked.lexer(markdownText)
tokens.forEach(token => {
if (token.type === 'heading') {
headings.push({
level: token.depth,
text: token.text,
id: slugger.slug(token.text),
})
}
})
return headings
},
},
docgen: {
type: 'json',
resolve: (doc) => {
const [root,, , name] = doc._raw.sourceFileDir.split('/')
return docgenData[name] || {}
},
},
examples: {
type: 'json',
resolve: doc => {
const [root,, categories, name, slug] = doc._raw.flattenedPath.split('/')
return examples[categories]?.[name]
},
},
},
}))
export default makeSource({
contentDirPath: 'src',
documentTypes: [Doc],
mdx: {
remarkPlugins: [remarkGfm],
rehypePlugins: [
rehypeSlug,
[
rehypeAutolinkHeadings,
{
behavior: 'before',
test: ['h2', 'h3', 'h4', 'h5', 'h6'],
},
],
],
},
})