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Implemented Profiler onCommit() and onPostCommit() hooks #17910

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Merged
merged 3 commits into from
Mar 5, 2020
Merged

Implemented Profiler onCommit() and onPostCommit() hooks #17910

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27da283
Implemented Profiler onCommit() and onPostCommit() hooks
Jan 25, 2020
810da53
Added enableProfilerCommitHooks feature flag for commit hooks
Feb 24, 2020
858c870
Moved onCommit and onPassiveCommit behind separate feature flag
Feb 24, 2020
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16 changes: 9 additions & 7 deletions packages/react-reconciler/src/ReactFiber.js
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Original file line number Diff line number Diff line change
Expand Up @@ -813,13 +813,8 @@ function createFiberFromProfiler(
key: null | string,
): Fiber {
if (__DEV__) {
if (
typeof pendingProps.id !== 'string' ||
typeof pendingProps.onRender !== 'function'
) {
console.error(
'Profiler must specify an "id" string and "onRender" function as props',
);
if (typeof pendingProps.id !== 'string') {
console.error('Profiler must specify an "id" as a prop');
}
}

Expand All @@ -829,6 +824,13 @@ function createFiberFromProfiler(
fiber.type = REACT_PROFILER_TYPE;
fiber.expirationTime = expirationTime;

if (enableProfilerTimer) {
fiber.stateNode = {
effectDuration: 0,
passiveEffectDuration: 0,
};
}

return fiber;
}

Expand Down
12 changes: 12 additions & 0 deletions packages/react-reconciler/src/ReactFiberBeginWork.js
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Original file line number Diff line number Diff line change
Expand Up @@ -587,6 +587,12 @@ function updateProfiler(
) {
if (enableProfilerTimer) {
workInProgress.effectTag |= Update;

// Reset effect durations for the next eventual effect phase.
// These are reset during render to allow the DevTools commit hook a chance to read them,
const stateNode = workInProgress.stateNode;
stateNode.effectDuration = 0;
stateNode.passiveEffectDuration = 0;
}
const nextProps = workInProgress.pendingProps;
const nextChildren = nextProps.children;
Expand Down Expand Up @@ -2972,6 +2978,12 @@ function beginWork(
if (hasChildWork) {
workInProgress.effectTag |= Update;
}

// Reset effect durations for the next eventual effect phase.
// These are reset during render to allow the DevTools commit hook a chance to read them,
const stateNode = workInProgress.stateNode;
stateNode.effectDuration = 0;
stateNode.passiveEffectDuration = 0;
}
break;
case SuspenseComponent: {
Expand Down
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