simplify exports

src/lib/progress/_private.ts

@@ -0,0 +1 @@
+export const _episode_progress_map = new Map<string, number>();

src/lib/progress/index.ts

@@ -0,0 +1,81 @@
+import { browser } from '$app/environment';
+import { _current_time, _src } from '$lib/audio/_private';
+import { _episode_progress_map } from '$lib/progress/_private';
+import type { AudioLoadOptions } from '$lib/types';
+import { error, info, warn } from '$lib/utility/package/log';
+import { get } from 'svelte/store';
+
+type SavedEpisodeProgress = { src: string; current_time: number };
+const EPISODE_PROGRESS_KEY = 'EPISODE_PROGRESS' as const;
+
+function save_all() {
+	if (!browser || !localStorage) {
+		warn('localStorage not available, skipping save');
+		return;
+	}
+	const items = [..._episode_progress_map];
+
+	const episodes = items.reduce((prev, [src, current_time]) => {
+		return [...prev, { src, current_time }];
+	}, [] as SavedEpisodeProgress[]);
+
+	info(`Saving progress for ${episodes.length} episodes to localStorage`, episodes);
+	localStorage.setItem(EPISODE_PROGRESS_KEY, JSON.stringify(episodes));
+}
+
+export const podcast_progress = {
+	episodes: {
+		set: (src: string, current_time: number) => _episode_progress_map.set(src, current_time),
+		get: _episode_progress_map.get,
+		includes: _episode_progress_map.has,
+		forEach: _episode_progress_map.forEach,
+		count: _episode_progress_map.size,
+		data: [..._episode_progress_map],
+	},
+	stash() {
+		const src = get(_src);
+		if (!src) return;
+		info('saving progress: ', src);
+		podcast_progress.episodes.set(src, get(_current_time));
+		save_all();
+	},
+	use(src: string): Pick<AudioLoadOptions, 'start_at'> | null {
+		const start_at = _episode_progress_map.get(src);
+
+		if (!start_at) return null;
+
+		info('found saved progress: ', src, start_at);
+
+		return { start_at: start_at };
+	},
+	save_all,
+
+	load_all() {
+		if (!browser || !localStorage) {
+			warn('localStorage not available, skipping load');
+			return;
+		}
+		const data = localStorage.getItem(EPISODE_PROGRESS_KEY);
+
+		if (!data) {
+			info('No saved episode progress found');
+			return;
+		}
+
+		const episodes = JSON.parse(data) as SavedEpisodeProgress[];
+
+		try {
+			episodes.forEach(({ src, current_time }) => {
+				podcast_progress.episodes.set(src, current_time);
+			});
+			info(`Loaded ${_episode_progress_map.size} episodes progress from localStorage`);
+		} catch (e) {
+			error('Error loading episode progress', e);
+			return;
+		}
+	},
+	clear_all() {
+		_episode_progress_map.clear();
+		save_all();
+	},
+};