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Add progressive web app companion for cross-platform access

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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>
This commit is contained in:
Ole-Morten Duesund 2026-03-08 17:41:38 +01:00
commit e8428de775
12051 changed files with 1799735 additions and 0 deletions
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pwa/node_modules/@surma/rollup-plugin-off-main-thread/tests/fixtures/assets-in-worker/build/assets/my-asset-620b911b.bin generated vendored Normal file
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assetcontent

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pwa/node_modules/@surma/rollup-plugin-off-main-thread/tests/fixtures/assets-in-worker/build/runner.html generated vendored Normal file
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<!--
Copyright 2018 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!doctype html>
<script src="entry.js"></script>

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pwa/node_modules/@surma/rollup-plugin-off-main-thread/tests/fixtures/assets-in-worker/entry.js generated vendored Normal file
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/**
* Copyright 2018 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const w = new Worker("./worker.js");
w.addEventListener("message", ev => {
window.parent.postMessage(ev.data, "*");
});

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pwa/node_modules/@surma/rollup-plugin-off-main-thread/tests/fixtures/assets-in-worker/rollup.config.js generated vendored Normal file
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const MARKER = "my-special-import";
module.exports = (config, outputOptions, omt) => {
config.plugins = [
omt(),
{
resolveId(id) {
if (id !== MARKER) {
return;
}
return id;
},
load(id) {
if (id !== MARKER) {
return;
}
const referenceId = this.emitFile({
type: "asset",
name: "my-asset.bin",
source: "assetcontent"
});
return `export default import.meta.ROLLUP_FILE_URL_${referenceId}`;
}
}
];
};

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pwa/node_modules/@surma/rollup-plugin-off-main-thread/tests/fixtures/assets-in-worker/worker.js generated vendored Normal file
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/**
* Copyright 2018 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import url from "my-special-import";
fetch(url)
.then(resp => resp.text())
.then(text => postMessage(text));