chore: move collection definitions out of .eleventy.js

config/collections/index.js

@@ -0,0 +1,42 @@
+const tagAliases = require('../data/tag-aliases.json')
+
+const tagList = (collection) => {
+  const tagsSet = new Set()
+  collection.getAll().forEach((item) => {
+    if (!item.data.tags) return
+    item.data.tags
+      .filter((tag) => !['posts', 'all'].includes(tag))
+      .forEach((tag) => tagsSet.add(tag))
+  })
+  return Array.from(tagsSet).sort()
+}
+
+const tagMap = (collection) => {
+  const tags = {}
+  collection.getAll().forEach((item) => {
+    if (item.data.collections.posts) {
+      item.data.collections.posts.forEach((post) => {
+        const url = post.url.includes('http') ? post.url : `https://coryd.dev${post.url}`
+        const tagString = [...new Set(post.data.tags.map((tag) => tagAliases[tag.toLowerCase()]))]
+          .join(' ')
+          .trim()
+        if (tagString) tags[url] = tagString
+      })
+    }
+    if (item.data.links) {
+      item.data.links.forEach((link) => {
+        const tagString = link['tags']
+          .map((tag) => tagAliases[tag.toLowerCase()])
+          .join(' ')
+          .trim()
+        if (tagString) tags[link.url] = tagString
+      })
+    }
+  })
+  return tags
+}
+
+module.exports = {
+  tagList,
+  tagMap,
+}