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Add progressive web app companion for cross-platform access

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Vite + TypeScript PWA that mirrors the Android app's core features:
- Pre-processed shelter data (build-time UTM33N→WGS84 conversion)
- Leaflet map with shelter markers, user location, and offline tiles
- Canvas compass arrow (ported from DirectionArrowView.kt)
- IndexedDB shelter cache with 7-day staleness check
- Service worker with CacheFirst tiles and precached app shell
- i18n for en, nb, nn (ported from Android strings.xml)
- iOS/Android compass handling with low-pass filter
- Respects user map interaction (no auto-snap on pan/zoom)
- Build revision cache-breaker for reliable SW updates

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Ole-Morten Duesund 2026-03-08 17:41:38 +01:00
commit e8428de775
12051 changed files with 1799735 additions and 0 deletions
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pwa/node_modules/which-boxed-primitive/index.d.ts generated vendored Normal file
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type primitive = string | number | bigint | boolean | symbol | null | undefined;
declare function whichBoxedPrimitive(value: primitive): null;
declare function whichBoxedPrimitive(value: BigInt): 'BigInt';
declare function whichBoxedPrimitive(value: Boolean): 'Boolean';
declare function whichBoxedPrimitive(value: Number): 'Number';
declare function whichBoxedPrimitive(value: String): 'String';
declare function whichBoxedPrimitive(value: Symbol): 'Symbol';
declare function whichBoxedPrimitive(value: unknown): undefined;
export = whichBoxedPrimitive;