feat: allow defining entries with absolute urls

src/collection/main.ts

@@ -101,7 +101,9 @@ export class Collection {
     dbEntries.forEach((entry) => {
       const collectionEntry = new CollectionEntry({
         ...entry,
-        permalink: this.#applyPrefix(this.#normalizeUri(entry.permalink)),
+        permalink: entry.absolute
+          ? this.#normalizeUri(entry.permalink)
+          : this.#applyPrefix(this.#normalizeUri(entry.permalink)),
       })
 
       /**

src/types.ts

@@ -18,6 +18,7 @@ import type { IncomingMessage, ServerResponse } from 'node:http'
  * file.
  */
 export type DatabaseEntry = {
+  absolute?: boolean
   permalink: string
   contentPath: string
   title: string

tests/collection.spec.ts

@@ -501,4 +501,32 @@ test.group('Collection', (group) => {
       },
     ])
   })
+
+  test('do not prefix absolute URLs', async ({ assert, fs }) => {
+    await fs.create(
+      'db.json',
+      JSON.stringify([
+        {
+          absolute: true,
+          permalink: '/hello',
+          contentPath: 'home.md',
+          title: 'Hello world',
+        },
+        {
+          permalink: '/hi',
+          contentPath: 'hi.md',
+          title: 'Hi world',
+        },
+      ])
+    )
+
+    const collection = Collection.create()
+    collection.db(new URL('db.json', fs.baseUrl)).urlPrefix('/docs')
+    await collection.boot()
+
+    assert.deepEqual(
+      collection.all().map((entry) => entry.permalink),
+      ['/hello', '/docs/hi']
+    )
+  })
 })