Ole-Morten Duesund e8428de775 Add progressive web app companion for cross-platform access

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>

2026-03-08 17:41:38 +01:00

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is-regexp

Check whether a variable is a regular expression

Install

$ npm install --save is-regexp

Usage

var isRegexp = require('is-regexp');

isRegexp('unicorn');
//=> false

isRegexp(/unicorn/);
//=> true

isRegexp(new RegExp('unicorn'));
//=> true

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is-regexp

Install

Usage

License

477 B

Raw Blame History