tilfluktsrom/pwa/node_modules/es-abstract/2016/TestIntegrityLevel.js
Ole-Morten Duesund e8428de775 Add progressive web app companion for cross-platform access
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>
2026-03-08 17:41:38 +01:00

40 lines
1.2 KiB
JavaScript

'use strict';
var $gOPD = require('gopd');
var $TypeError = require('es-errors/type');
var every = require('../helpers/every');
var OwnPropertyKeys = require('own-keys');
var isObject = require('es-object-atoms/isObject');
var IsDataDescriptor = require('./IsDataDescriptor');
var IsExtensible = require('./IsExtensible');
var ToPropertyDescriptor = require('./ToPropertyDescriptor');
// https://262.ecma-international.org/6.0/#sec-testintegritylevel
module.exports = function TestIntegrityLevel(O, level) {
if (!isObject(O)) {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
if (level !== 'sealed' && level !== 'frozen') {
throw new $TypeError('Assertion failed: `level` must be `"sealed"` or `"frozen"`');
}
var status = IsExtensible(O);
if (status || !$gOPD) {
return false;
}
var theKeys = OwnPropertyKeys(O);
return theKeys.length === 0 || every(theKeys, function (k) {
var currentDesc = $gOPD(O, k);
if (typeof currentDesc !== 'undefined') {
if (currentDesc.configurable) {
return false;
}
if (level === 'frozen' && IsDataDescriptor(ToPropertyDescriptor(currentDesc)) && currentDesc.writable) {
return false;
}
}
return true;
});
};