Save OMDb details and posters locally

src/lib/media/stored.ts

@@ -0,0 +1,28 @@
+import mediaDetailsData from '#data/mediaDetails.json';
+import type { MediaDetails } from './types';
+
+interface StoredMediaDetails extends MediaDetails {
+	title?: string | null;
+	posterSource?: string | null;
+}
+
+const imdbIdPattern = /tt\d+/;
+const storedDetails = mediaDetailsData as Record<string, StoredMediaDetails>;
+
+function toMediaDetails(stored: StoredMediaDetails): MediaDetails {
+	return {
+		poster: stored.poster ?? null,
+		year: stored.year ?? null,
+		genre: stored.genre ?? null,
+		runtime: stored.runtime ?? null,
+		plot: stored.plot ?? null
+	};
+}
+
+export function storedDetailsFor(urls: string[]): Record<string, MediaDetails> {
+	const entries = urls.flatMap((url) => {
+		const stored = storedDetails[url.match(imdbIdPattern)?.[0] ?? ''];
+		return stored ? [[url, toMediaDetails(stored)] as const] : [];
+	});
+	return Object.fromEntries(entries);
+}