Remove unstable scheduler/tracing API #20037
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Comparing: 84b9162...104fdc5 Critical size changesIncludes critical production bundles, as well as any change greater than 2%:
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Details of bundled changes.Comparing: c57fe4a...9bd8867 react-dom
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ReactDOM: size: 0.0%, gzip: 0.0% React: size: -2.8%, gzip: -1.9% Size changes (experimental) |
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Is it worth implementing a much scaled down version of tracing that is React-specific (doesn’t try to wrap non-React APIs) and never cascades (so the implementation complexity is low and interactions don’t leak into unrelated cascading commits)? |
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I appreciate this PR. I hear you loud and clear. Let's discuss what remaining features are useful and how else we can solve them. |
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Sure. Had this as a topic for the sync today but forgot you wouldn't be at this one. Moved it to next week. Happy to chat out of band too if that' easier. Maybe there's a trimmed down version that would be worth keeping. |
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Rebased this and it's ready to review. |
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I'm not sure how to mock the jest.mock('scheduler', () => jest.requireActual('scheduler-0-13'));
jest.mock('scheduler/tracing', () => jest.requireActual('scheduler-0-13/tracing'));
jest.mock('react', () => jest.requireActual('react-16-8'));
jest.mock('react-dom', () => jest.requireActual('react-dom-16-8'));But Jest throws because there isn't an actual "scheduler/tracing" module installed locally. Edit The answer was to also add a dummy file in |
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D28001916 shows (what I believe to be) a successful merge of this change (with all e2e and unit tests passing) so... let's go! |
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Summary: This sync includes the following changes: - **[9a2591681](facebook/react@9a2591681 )**: Fix export //<Sebastian Markbage>// - **[4a8deb083](facebook/react@4a8deb083 )**: Switch the isPrimaryRender flag based on the stream config ([#21357](facebook/react#21357)) //<Sebastian Markbåge>// - **[bd4f056a3](facebook/react@bd4f056a3 )**: [Fizz] Implement lazy components and nodes ([#21355](facebook/react#21355)) //<Sebastian Markbåge>// - **[fc33f12bd](facebook/react@fc33f12bd )**: Remove unstable scheduler/tracing API ([#20037](facebook/react#20037)) //<Brian Vaughn>// - **[721238394](facebook/react@721238394 )**: Enable strict effects mode for React Native Facebook builds ([#21354](facebook/react#21354)) //<Brian Vaughn>// - **[48740429b](facebook/react@48740429b )**: Expiration: Do nothing except disable time slicing ([#21345](facebook/react#21345)) //<Andrew Clark>// - **[0f5ebf366](facebook/react@0f5ebf366 )**: Delete unreferenced type ([#21343](facebook/react#21343)) //<Andrew Clark>// - **[9cd52b27f](facebook/react@9cd52b27f )**: Restore context after an error happens ([#21341](facebook/react#21341)) //<Sebastian Markbåge>// - **[ad091759a](facebook/react@ad091759a )**: Revert "Emit reactroot attribute on the first element we discover ([#21154](facebook/react#21154))" ([#21340](facebook/react#21340)) //<Sebastian Markbåge>// - **[709f94841](facebook/react@709f94841 )**: [Fizz] Add FB specific streaming API and build ([#21337](facebook/react#21337)) //<Sebastian Markbåge>// - **[e8cdce40d](facebook/react@e8cdce40d )**: Don't flush sync at end of discreteUpdates ([#21327](facebook/react#21327)) //<Andrew Clark>// - **[a15586001](facebook/react@a15586001 )**: Fix: Don't flush discrete at end of batchedUpdates ([#21229](facebook/react#21229)) //<Andrew Clark>// - **[89847bf6e](facebook/react@89847bf6e )**: Continuous updates should interrupt transitions ([#21323](facebook/react#21323)) //<Andrew Clark>// - **[ef37d55b6](facebook/react@ef37d55b6 )**: Use performConcurrentWorkOnRoot for "sync default" ([#21322](facebook/react#21322)) //<Andrew Clark>// Changelog: [General][Changed] - React Native sync for revisions a632f7d...2a7bb41 jest_e2e[run_all_tests] Reviewed By: JoshuaGross Differential Revision: D28063006 fbshipit-source-id: 7e3535f80961706863b6c2188ee44b5796b2f000
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Was removed in React 17 facebook/react#20037
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This was added as part of the "Interaction Tracking" work in facebook#13509 back in 2018. That feature was removed in facebook#20037 in 2020, and this plugin appears to no longer have any effect on the build output.
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This was added as part of the "Interaction Tracking" work in facebook#13509 back in 2018. That feature was removed in facebook#20037 in 2020, and this plugin appears to no longer have any effect on the build output.
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This was added as part of the "Interaction Tracking" work in facebook#13509 back in 2018. That feature was removed in facebook#20037 in 2020, and this plugin appears to no longer have any effect on the build output.
markerikson
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This was added as part of the "Interaction Tracking" work in facebook#13509 back in 2018. That feature was removed in facebook#20037 in 2020, and this plugin appears to no longer have any effect on the build output.
markerikson
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This was added as part of the "Interaction Tracking" work in facebook#13509 back in 2018. That feature was removed in facebook#20037 in 2020, and this plugin appears to no longer have any effect on the build output.
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Resolves #21285
Going to be easier to review this one with whitespace hidden: https://github.com/facebook/react/pull/20037/files?w=1
Mostly just a bunch of deletions. Code to look at a little more closely:
packages/react-reconciler/src/ReactFiberWorkLoop.new.jsTesting this change internally via D28001916. Note that to sync to www after this change, we'll need to delete:
html/shared/node_modules/scheduler/tracing.jshtml/shared/react-fb/SchedulerTracing.jsWe'll want to update our JS1 sync script to remove the following files:
'SchedulerTracing-dev.modern.js''SchedulerTracing-prod.modern.js''SchedulerTracing-profiling.modern.js'We'll also want to update the following file to remove references to Profiler interactions and add a DEV console warning if the
onlyLogInteractionsoption is provided:html/intern/js/coreviz/react_profiler/createCoreVizOnRenderCallback.js