There is no way to customize the service worker #63198

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1. olfek commented on Aug 16, 2025

   

   olfek

   on Aug 16, 2025

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   @alxhub - or maybe I'm missing something?
2. JeanMeche commented on Aug 17, 2025

   

   JeanMeche

   on Aug 17, 2025

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   Hi,
   The feature request is a bit vague.
   With provideServiceWorker you can provide your own impelementation of the service worker.
   Also via the ngsw-config.json you can configure the file that provided automatically with the CLI integration.

   What use case are you looking to address ?
3. JeanMeche

   added

   needs: clarificationThis issue needs additional clarification from the reporter before the team can investigate.This issue needs additional clarification from the reporter before the team can investigate.

   area: service-workerIssues related to the @angular/service-worker packageIssues related to the @angular/service-worker package

   on Aug 17, 2025
4. ngbot

   added this to the needsTriage milestone on Aug 17, 2025
5. olfek commented on Aug 17, 2025

   

   olfek

   on Aug 17, 2025

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   You can provide your own service worker, but it must be a JavaScript file, which means you have to either write the service worker in JavaScript or setup another separate build pipeline to generate it, and there is no way to extend or pick and choose functionality from the Angular service worker.
6. montella1507 commented on Aug 19, 2025

   

   montella1507

   on Aug 19, 2025

   Last edited by montella1507

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   @JeanMeche not sure if it is related but as far as i know...

   Angular NGSW-worker has not been working correctly with angular "native" I18N (one folder per lang) for years... and every solution i have found is to modify NGSW worker?

   There have been some problems with i18N / pwa and redirects.
7. olfek commented on Aug 19, 2025

   

   olfek

   on Aug 19, 2025

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   Quick update, since writing this, I am now:

   • Running a parallel build pipeline to generate the JavaScript service worker, so I can write the service worker in TypeScript.
   • Using the Google Chrome team's modular service worker library workbox.
8. anisabboud commented on Aug 21, 2025

   

   anisabboud

   on Aug 21, 2025

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   https://angular.dev/ecosystem/service-workers/config

   The ngsw-config.json JSON configuration file specifies which files and data URLs the Angular service worker should cache and how it should update the cached files and data.
9. JeanMeche commented on Aug 27, 2025

   

   JeanMeche

   on Aug 27, 2025

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   Per #63364, we won't be addressing this issue.

   The message is also visible here: https://angular.dev/ecosystem/service-workers
10. JeanMeche

    closed this as not plannedon Aug 27, 2025
11. angular-automatic-lock-bot commented on Sep 27, 2025

    

    angular-automatic-lock-botBot

    on Sep 27, 2025

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12. angular-automatic-lock-bot

    locked and limited conversation to collaborators on Sep 27, 2025