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>
38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
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# isarray
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`Array#isArray` for older browsers and deprecated Node.js versions.
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[](http://travis-ci.org/juliangruber/isarray)
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[](https://www.npmjs.org/package/isarray)
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[
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](https://ci.testling.com/juliangruber/isarray)
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__Just use Array.isArray directly__, unless you need to support those older versions.
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## Usage
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```js
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var isArray = require('isarray');
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console.log(isArray([])); // => true
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console.log(isArray({})); // => false
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```
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## Installation
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With [npm](https://npmjs.org) do
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```bash
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$ npm install isarray
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```
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Then bundle for the browser with
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[browserify](https://github.com/substack/node-browserify).
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## Sponsors
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This module is proudly supported by my [Sponsors](https://github.com/juliangruber/sponsors)!
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Do you want to support modules like this to improve their quality, stability and weigh in on new features? Then please consider donating to my [Patreon](https://www.patreon.com/juliangruber). Not sure how much of my modules you're using? Try [feross/thanks](https://github.com/feross/thanks)!
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