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>
25 lines
509 B
JavaScript
25 lines
509 B
JavaScript
'use strict';
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var isMap = require('is-map');
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var isSet = require('is-set');
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var isWeakMap = require('is-weakmap');
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var isWeakSet = require('is-weakset');
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/** @type {import('.')} */
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module.exports = function whichCollection(/** @type {unknown} */ value) {
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if (value && typeof value === 'object') {
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if (isMap(value)) {
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return 'Map';
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}
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if (isSet(value)) {
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return 'Set';
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}
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if (isWeakMap(value)) {
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return 'WeakMap';
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}
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if (isWeakSet(value)) {
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return 'WeakSet';
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}
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}
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return false;
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};
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