docs: support generating sidebar items with tags (#10672)

* docs: support generating sidebar items with tags

* small fix

* fix dependencies

* test

* test fix

* test fix

* test fix

* test fix

* another fix

* revert change

* fix for resources

www/packages/docs-utils/src/get-file-slug-sync.ts

@@ -0,0 +1,11 @@
+import { matter } from "vfile-matter"
+import { readSync } from "to-vfile"
+import { FrontMatter } from "types"
+
+export function getFileSlugSync(filePath: string): string | undefined {
+  const content = readSync(filePath)
+
+  matter(content)
+
+  return ((content.data.matter as FrontMatter).slug as string) || undefined
+}

www/packages/docs-utils/src/get-file-slug.ts

@@ -1,6 +1,3 @@
-import { matter } from "vfile-matter"
-import { readSync } from "to-vfile"
-import { FrontMatter } from "types"
 import { getFrontMatter } from "./get-front-matter.js"
 
 export async function getFileSlug(
@@ -13,11 +10,3 @@ export async function getFileSlug(
     return fileFrontmatter.slug
   }
 }
-
-export function getFileSlugSync(filePath: string): string | undefined {
-  const content = readSync(filePath)
-
-  matter(content)
-
-  return ((content.data.matter as FrontMatter).slug as string) || undefined
-}

www/packages/docs-utils/src/index.ts

@@ -1,3 +1,4 @@
 export * from "./find-title.js"
+export * from "./get-file-slug-sync.js"
 export * from "./get-file-slug.js"
 export * from "./get-front-matter.js"