Ole-Morten Duesund
e8428de775
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>
26 lines
636 B
JavaScript
26 lines
636 B
JavaScript
'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var $isConcatSpreadable = GetIntrinsic('%Symbol.isConcatSpreadable%', true);
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var Get = require('./Get');
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var IsArray = require('./IsArray');
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var ToBoolean = require('./ToBoolean');
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var isObject = require('es-object-atoms/isObject');
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// https://262.ecma-international.org/6.0/#sec-isconcatspreadable
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module.exports = function IsConcatSpreadable(O) {
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if (!isObject(O)) {
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return false;
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}
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if ($isConcatSpreadable) {
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var spreadable = Get(O, $isConcatSpreadable);
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if (typeof spreadable !== 'undefined') {
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return ToBoolean(spreadable);
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}
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}
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return IsArray(O);
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};
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