op 1

src/types/media.ts

@@ -0,0 +1,24 @@
+export interface VideoMetadata {
+  id: string
+  title: string
+  thumbnail: string
+  duration?: number | null
+  uploader?: string | null
+  url?: string | null
+}
+
+export interface SelectableVideoMetadata extends VideoMetadata {
+  selected: boolean
+}
+
+export interface PlaylistMetadata {
+  id: string
+  title: string
+  entries: SelectableVideoMetadata[]
+}
+
+export type AnalysisMetadata = VideoMetadata | PlaylistMetadata
+
+export function isPlaylistMetadata(metadata: AnalysisMetadata | null): metadata is PlaylistMetadata {
+  return !!metadata && Array.isArray((metadata as PlaylistMetadata).entries)
+}