add new content migration script for early access updates

sarahs · sarahs · commit eb44f9947d87 · 2021-04-15T14:36:36.000-04:00
diff --git a/script/content-migrations/add-early-access-tocs.js b/script/content-migrations/add-early-access-tocs.js
@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const path = require('path')
+const readFrontmatter = require('../../lib/read-frontmatter')
+const earlyAccessDir = path.posix.join(process.cwd(), 'content', 'early-access')
+const { sentenceCase } = require('change-case')
+
+updateOrCreateToc(earlyAccessDir)
+
+console.log('Updated Early Access TOCs!')
+
+function updateOrCreateToc (directory) {
+  const children = fs.readdirSync(directory)
+    .filter(subpath => !subpath.endsWith('index.md'))
+
+  if (!children.length) return
+
+  const tocFile = path.posix.join(directory, 'index.md')
+
+  let content, data
+
+  if (fs.existsSync(tocFile)) {
+    const matter = readFrontmatter(fs.readFileSync(tocFile, 'utf8'))
+    content = matter.content
+    data = matter.data
+  } else {
+    content = ''
+    data = {
+      title: sentenceCase(path.basename(directory)),
+      versions: '*',
+      hidden: true
+    }
+  }
+
+  data.children = children.map(child => `/${child.replace('.md', '')}`)
+  const newContents = readFrontmatter.stringify(content, data, { lineWidth: 10000 })
+  fs.writeFileSync(tocFile, newContents)
+
+  children.forEach(child => {
+    if (child.endsWith('.md')) return
+    updateOrCreateToc(path.posix.join(directory, child))
+  })
+}
diff --git a/script/content-migrations/remove-map-topics.js b/script/content-migrations/remove-map-topics.js
@@ -79,7 +79,9 @@ categoryIndexFiles.forEach(categoryIndexFile => {
 
       // Read the article file so we can add a redirect from its old path
       const articleContents = frontmatter(fs.readFileSync(newArticlePath, 'utf8'))
-      addRedirectToFrontmatter(articleContents.data.redirect_from, `${oldTopicDirectory}/${article}`)
+
+      if (!articleContents.data.redirect_from) articleContents.data.redirect_from = []
+      addRedirectToFrontmatter(articleContents.data.redirect_from, `${oldTopicDirectory.replace(/^.*?\/content\//, '/')}/${article}`)
 
       // Write the article with updated frontmatter
       fs.writeFileSync(newArticlePath, frontmatter.stringify(articleContents.content.trim(), articleContents.data, { lineWidth: 10000 }))
