126 lines
3.1 KiB
JavaScript
126 lines
3.1 KiB
JavaScript
require('dotenv').config()
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const algoliasearch = require('algoliasearch')
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const glob = require('glob')
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const matter = require('gray-matter')
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const path = require('path')
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const remark = require('remark')
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const visit = require('unist-util-visit')
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// In addition to the content of the page,
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// define additional front matter attributes that will be search-indexable
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const SEARCH_DIMENSIONS = ['page_title', 'description']
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main()
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async function main() {
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const pagesFolder = path.join(__dirname, '../pages')
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// Grab all search-indexable content and format for Algolia
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const searchObjects = await Promise.all(
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glob.sync(path.join(pagesFolder, '**/*.mdx')).map(async (fullPath) => {
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const { content, data } = matter.read(fullPath)
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const searchableDimensions = SEARCH_DIMENSIONS.reduce(
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(acc, dimension) => {
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return { ...acc, [dimension]: data[dimension] }
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},
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{}
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)
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const headings = await collectHeadings(content)
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// Get path relative to `pages`
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const __resourcePath = fullPath.replace(`${pagesFolder}/`, '')
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// Use clean URL for Algolia id
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const objectID = __resourcePath.replace('.mdx', '')
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return {
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...searchableDimensions,
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headings,
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objectID,
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}
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})
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)
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try {
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await indexSearchContent(searchObjects)
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} catch (e) {
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console.error(e)
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process.exit(1)
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}
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}
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async function indexSearchContent(objects) {
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const {
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NEXT_PUBLIC_ALGOLIA_APP_ID: appId,
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NEXT_PUBLIC_ALGOLIA_INDEX: index,
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ALGOLIA_API_KEY: apiKey,
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} = process.env
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if (!apiKey || !appId || !index) {
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throw new Error(
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`[*** Algolia Search Indexing Error ***] Received: ALGOLIA_API_KEY=${apiKey} ALGOLIA_APP_ID=${appId} ALGOLIA_INDEX=${index} \n Please ensure all Algolia Search-related environment vars are set in CI settings.`
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)
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}
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console.log(`updating ${objects.length} indices...`)
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try {
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const searchClient = algoliasearch(appId, apiKey)
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const searchIndex = searchClient.initIndex(index)
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const { objectIDs } = await searchIndex.partialUpdateObjects(objects, {
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createIfNotExists: true,
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})
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let staleIds = []
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await searchIndex.browseObjects({
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query: '',
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batch: (batch) => {
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staleIds = staleIds.concat(
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batch
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.filter(({ objectID }) => !objectIDs.includes(objectID))
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.map(({ objectID }) => objectID)
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)
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},
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})
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if (staleIds.length > 0) {
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console.log(`deleting ${staleIds.length} stale indices:`)
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console.log(staleIds)
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await searchIndex.deleteObjects(staleIds)
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}
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console.log('done')
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process.exit(0)
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} catch (error) {
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throw new Error(error)
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}
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}
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async function collectHeadings(mdxContent) {
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const headings = []
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const headingMapper = () => (tree) => {
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visit(tree, 'heading', (node) => {
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const title = node.children.reduce((m, n) => {
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if (n.value) m += n.value
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return m
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}, '')
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// Only include level 1 or level 2 headings
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if (node.depth < 3) {
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headings.push(title)
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}
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})
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}
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return remark()
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.use(headingMapper)
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.process(mdxContent)
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.then(() => headings)
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}
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