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Performance.md

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Debugging/Profiling Tools

Main

  • Chrome dev-tools -> Performance
  • React dev-tools -> Profiler
  • React dev tools -> component state -> @debug

Console

  • RR.GetChangedSubWatchers()
  • RR.LogStoreAccessorRunTimes()
  • RR.pathWatchTree
  • RR.subWatchers
  • RR.MyComp.renderCount (and compInstance.renderCount)
  • RR.MyComp.lastRenderTime (and compInstance.lastRenderTime)

Tests

Tests can be run using: npm run cypress:open

  • The test "Should have all the nodes expanded" logs the loading time for its nodes.