FR: provide maxAge option in PersistenceSettings of enableIndexedDbPersistence() to invalidate cache after specified time

[oztek22]

Describe your environment

• Operating System version: Ventura 13.0
• Browser version: Chrome 108.0.5359.124
• Firebase SDK version: 9.14.0
• Firebase Product: firestore

Describe the problem

Problem:

• In current project, user data does not change often . If cached data exists, I retrieve it using getDocFromCache(). Else, I retrieve from server using getDoc().

In some cases:

• user can change the data from different device or browser. In such cases, data would not be reflected if force cached is enabled.

Probable Solution:

• introduce maxAge property to enableIndexedDbPersistence to auto delete cached data if it was not updated within defined time (to get the fresh entry from the server)

Relevant Code:

  enableIndexedDbPersistence(db, {maxAge: 86400}) // database will remain in local storage for 86400s (1 day) without any update.
    .catch((err) => {
      console.warn('Failed to persist data: ', err.code, err.message);
    });

[cherylEnkidu]

Hi,

Thanks for filling up this request! The team is going to discuss the feature and will keep you posted.

[cherylEnkidu]

Internal tracking id: b/269460985

[cherylEnkidu]

Hi,

This feature is been tracked internally, I will close this github ticket and reporter will be notified in the future when the feature gets implemented.

[cherylEnkidu]

Hi,

The team decided to keep the ticket open until the feature is implemented or bug is fixed for external visibility.