tilfluktsrom/pwa/node_modules/es-abstract/2022/ValidateAtomicAccess.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
1.1 KiB
JavaScript

'use strict';
var $RangeError = require('es-errors/range');
var $TypeError = require('es-errors/type');
var ToIndex = require('./ToIndex');
var TypedArrayElementSize = require('./TypedArrayElementSize');
var isTypedArray = require('is-typed-array');
var typedArrayByteOffset = require('typed-array-byte-offset');
var typedArrayLength = require('typed-array-length');
// https://262.ecma-international.org/13.0/#sec-validateatomicaccess
module.exports = function ValidateAtomicAccess(typedArray, requestIndex) {
if (!isTypedArray(typedArray)) {
throw new $TypeError('Assertion failed: `typedArray` must be a TypedArray');
}
var length = typedArrayLength(typedArray); // step 1
var accessIndex = ToIndex(requestIndex); // step 2
/*
// this assertion can never be reached
if (!(accessIndex >= 0)) {
throw new $TypeError('Assertion failed: accessIndex >= 0'); // step 4
}
*/
if (accessIndex >= length) {
throw new $RangeError('index out of range'); // step 4
}
var elementSize = TypedArrayElementSize(typedArray); // step 5
var offset = typedArrayByteOffset(typedArray); // step 6
return (accessIndex * elementSize) + offset; // step 7
};