Skip null entries in the Plex library sections list

packages/plex/src/client.sections-rows.test.ts

@@ -0,0 +1,21 @@
+import { afterEach, expect, it, vi } from 'vitest'
+import { PlexClient } from './client.js'
+
+afterEach(() => {
+  vi.unstubAllGlobals()
+})
+
+it('skips a null entry in the library sections list instead of throwing a TypeError', async () => {
+  vi.stubGlobal('fetch', async (url: string) =>
+    new Response(
+      JSON.stringify(
+        String(url).includes('/library/sections')
+          ? { MediaContainer: { Directory: [null, { type: 'artist', key: '1', title: 'Music' }] } }
+          : { MediaContainer: { machineIdentifier: 'm', version: '1' } },
+      ),
+    ),
+  )
+  const client = new PlexClient('http://plex.test:32400', 'tok')
+  const result = await client.testConnection()
+  expect(result.machineIdentifier).toBe('m')
+})

packages/plex/src/client.ts

@@ -330,7 +330,7 @@ export class PlexClient {
 
   private async librarySections(): Promise<PlexLibrarySection[]> {
     const payload = await this.request<PlexSectionsResponse>('/library/sections')
-    return (payload.MediaContainer?.Directory ?? [])
+    return plexRows(payload.MediaContainer?.Directory)
       .filter((section) => section.type === 'artist' && section.key !== undefined && section.title)
       .map((section) => ({
         id: String(section.key),