Files
overleaf-cep/services/web/frontend/js/features/pdf-preview/util/pdf-caching-flags.js
T
Jakob Ackermann b831a0b3f7 [clsi-cache] frontend (#24389)
* [clsi-lb] forward ?clsiserverid=cache requests to clsi-cache

* [web] use clsi-cache in frontend

* [web] upgrade compile from cache to full compile when triggered inflight

* [web] fix pdf-js-viewer.spec.tsx tests -- add ?clsiserverid=foo to url

* [web] fix renamed reference after merge

* [web] fix download of other output files and use specific build

* [web] consolidate validation of filename into ClsiCacheHandler

* [web] remove unused projectName from getLatestBuildFromCache

* [web] avoid hitting the same clsi-cache instance first all the time

* [web] update documentation

GitOrigin-RevId: d48265a7ba89d6731092640e1492bc9f103f5c33
2025-04-10 08:05:22 +00:00

30 lines
1.1 KiB
JavaScript

import getMeta from '../../../utils/meta'
import { debugConsole } from '@/utils/debugging'
const hasTextEncoder = typeof TextEncoder !== 'undefined'
if (!hasTextEncoder) {
debugConsole.warn('TextEncoder is not available. Disabling pdf-caching.')
}
const isOpera =
Array.isArray(navigator.userAgentData?.brands) &&
navigator.userAgentData.brands.some(b => b.brand === 'Opera')
if (isOpera) {
debugConsole.warn('Browser cache is limited in Opera. Disabling pdf-caching.')
}
function isFlagEnabled(flag) {
if (!hasTextEncoder) return false
if (isOpera) return false
return getMeta('ol-splitTestVariants')?.[flag] === 'enabled'
}
export const cachedUrlLookupEnabled = isFlagEnabled(
'pdf-caching-cached-url-lookup'
)
export const prefetchingEnabled = isFlagEnabled('pdf-caching-prefetching')
export const prefetchLargeEnabled = isFlagEnabled('pdf-caching-prefetch-large')
export const enablePdfCaching = isFlagEnabled('pdf-caching-mode')
export const trackPdfDownloadEnabled = isFlagEnabled('track-pdf-download')
export const useClsiCache = isFlagEnabled('fall-back-to-clsi-cache')