36 lines
904 B
TypeScript
36 lines
904 B
TypeScript
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import type { UserPreferences } from '$lib/types';
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import clamp from 'just-clamp';
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import { writable } from 'svelte/store';
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import { load_preferences, save_preferences } from './db-local-storage';
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const _default_user_preferences = {
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playback_rate: 1,
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volume: 1,
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} satisfies UserPreferences;
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const _user_preferences = writable<UserPreferences>(_default_user_preferences);
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function clamp_preferences(prefs: UserPreferences) {
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return {
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playback_rate: clamp(prefs.playback_rate, 0.5, 5),
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volume: clamp(prefs.volume, 0, 1),
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};
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}
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function edit(prefs: Partial<UserPreferences>) {
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_user_preferences.update((prev) => clamp_preferences({ ...prev, ...prefs }));
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save_preferences();
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}
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const clear = () => {
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_user_preferences.set(_default_user_preferences);
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save_preferences();
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};
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export const user_preferences = {
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subscribe: _user_preferences.subscribe,
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edit,
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clear,
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load: load_preferences,
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};
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