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>
20 lines
683 B
JavaScript
20 lines
683 B
JavaScript
'use strict';
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var $TypeError = require('es-errors/type');
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var regexTester = require('safe-regex-test');
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// https://tc39.es/ecma262/#sec-istimezoneoffsetstring
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// implementation taken from https://github.com/tc39/proposal-temporal/blob/21ee5b13f0672990c807475ba094092d19dd6dc5/polyfill/lib/ecmascript.mjs#L2140
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var OFFSET = /^([+\u2212-])([01][0-9]|2[0-3])(?::?([0-5][0-9])(?::?([0-5][0-9])(?:[.,](\d{1,9}))?)?)?$/;
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var testOffset = regexTester(OFFSET);
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module.exports = function IsTimeZoneOffsetString(offsetString) {
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if (typeof offsetString !== 'string') {
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throw new $TypeError('Assertion failed: `offsetString` must be a String');
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}
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return testOffset(offsetString);
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};
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