Senko-san
ceee9b9d12
Three tiers of offline support, all scoped to the active backend's localStorage namespace (mirroring the auth slice): Tier 1 — persist client state. queue + player slices are saved (queue entries/index/source; player track/position/volume/repeat/shuffle) and rehydrated on load, so a reload with no backend restores where the user left off. Playback never auto-resumes (browsers block autoplay). Retires the DEMO_QUEUE and isQueueOpen:true stubs. Tier 2 — persist the RTK Query cache. Last-seen library/albums/artists are snapshotted (fulfilled queries only) and replayed via RTKQ's extractRehydrationInfo at startup, so the library renders read-only when the backend is down. ConnectionStatus tooltip flags cached data offline. No server data is copied into a slice — the cache feeds itself back. Tier 3 — service worker audio + cover cache (PWA). Audio streams are cached keyed by content id (token stripped), range-aware (synthetic 206 slicing), with a 500MB LRU cap, so already-played tracks play fully offline. Cover art uses stale-while-revalidate in its own bounded cache. Module worker (ESM); pure helpers split into sw-core.js and unit-tested. Web app manifest enables "Install app". Player source badge now reflects real cached state. tsc clean, lint clean, 19 new tests pass, production build verified. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
31 lines
998 B
TypeScript
31 lines
998 B
TypeScript
import { createApi } from '@reduxjs/toolkit/query/react';
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import { baseQueryWithReauth } from './baseQuery';
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import { REHYDRATE_API, type RehydrateApiPayload } from './rehydrate';
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export const api = createApi({
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reducerPath: 'api',
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baseQuery: baseQueryWithReauth,
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tagTypes: [
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'Track',
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'Album',
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'Artist',
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'Playlist',
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'Download',
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'Like',
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'User',
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'Storage',
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],
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// Tier 2 offline: seed the cache from the persisted snapshot dispatched at
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// startup (see `store/rtkqPersist.ts`). Returning the saved queries/mutations
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// lets the last-seen library render before — or instead of — any network call.
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extractRehydrationInfo(action) {
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if (action.type === REHYDRATE_API) {
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// The api reducer reads `queries`/`mutations` off this and restores any
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// fulfilled entries; pending/rejected ones are ignored automatically.
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return action.payload as RehydrateApiPayload as never;
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}
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return undefined;
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},
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endpoints: () => ({}),
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});
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