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Build # #5047

Build Type

Pull #3589

circleci

Committed by Eijebong

Commit Message

Don't change render state while filtering releases

Every state changes triggers a state change, which gets react to create N
objects which get increasingly bigger (the spread operator with
...prevState). With 1000 releases, that's 500k copies. With 60k which is
what I'm testing with... `> sum(range(0, 60001)) = 1800030000` (yikes).
And that's not counting the state changes queuing re-renders, one per
release... Even if react batches those, it's again copies, and extra
work.

This commit changes it to create the state in one go, making filtering
60k releases actually something doable rather than something that will
freeze firefox for 30s for every typed character

Pull Request Pull Request #3589: Don't change render state while filtering releases

Run Details

2167 of 2544 branches covered (85.18%)

Branch coverage included in aggregate %.

5722 of 6218 relevant lines covered (92.02%)

0.92 hits per line