Issue 2393

[XuechunHou]

a fix for issue #2393 on performance and remote-config module.

Throw runtime error (UNSUPPORTED_BROWSER) on initialization of the instance when IndexedDB is not supported in some browser situations.

The fix is tested on Safari and Firefox private window rendering iframe with https://github.com/tomsun/firebase-js-sdk-securityerror-example provided in the issue conversation.

[google-oss-bot]

Binary Size Report

Affected SDKs

• @firebase/performance

  Type	Base (5c41eab)	Head (309ff37)	Diff
  browser	26.7 kB	27.7 kB	+974 B (+3.7%)
  esm2017	24.7 kB	25.7 kB	+974 B (+3.9%)
  main	26.7 kB	27.7 kB	+974 B (+3.7%)
  module	26.4 kB	27.4 kB	+974 B (+3.7%)

• @firebase/remote-config

  Type	Base (5c41eab)	Head (309ff37)	Diff
  browser	23.1 kB	24.1 kB	+974 B (+4.2%)
  esm2017	17.7 kB	18.7 kB	+974 B (+5.5%)
  main	23.1 kB	24.1 kB	+974 B (+4.2%)
  module	22.7 kB	23.7 kB	+974 B (+4.3%)

• firebase

  Type	Base (5c41eab)	Head (309ff37)	Diff
  firebase-performance-standalone.es2017.js	72.0 kB	72.7 kB	+736 B (+1.0%)
  firebase-performance-standalone.js	47.4 kB	48.2 kB	+745 B (+1.6%)
  firebase-performance.js	37.8 kB	38.6 kB	+745 B (+2.0%)
  firebase-remote-config.js	37.0 kB	37.7 kB	+742 B (+2.0%)
  firebase.js	823 kB	824 kB	+1.49 kB (+0.2%)

Test Logs

• Base (5c41eab6): https://github.com/firebase/firebase-js-sdk/actions/runs/123025743
• Head (309ff371): https://github.com/firebase/firebase-js-sdk/actions/runs/123951271