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[perf] Measure exclusive render time

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Piece of https://github.com/facebook/react/pull/962
This commit is contained in:
Pete Hunt
2014-02-12 12:27:18 -08:00
committed by Paul O’Shannessy
parent da587b15d5
commit 756bd975b1
1 changed files with 22 additions and 18 deletions
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src/core/ReactCompositeComponent.js
+22 -18
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@@ -1267,25 +1267,29 @@ var ReactCompositeComponentMixin = {
/**
* @private
*/
_renderValidatedComponent: function() {
var renderedComponent;
var previousContext = ReactContext.current;
ReactContext.current = this._processChildContext(this._currentContext);
ReactCurrentOwner.current = this;
try {
renderedComponent = this.render();
} finally {
ReactContext.current = previousContext;
ReactCurrentOwner.current = null;
_renderValidatedComponent: ReactPerf.measure(
'ReactCompositeComponent',
'_renderValidatedComponent',
function() {
var renderedComponent;
var previousContext = ReactContext.current;
ReactContext.current = this._processChildContext(this._currentContext);
ReactCurrentOwner.current = this;
try {
renderedComponent = this.render();
} finally {
ReactContext.current = previousContext;
ReactCurrentOwner.current = null;
}
invariant(
ReactComponent.isValidComponent(renderedComponent),
'%s.render(): A valid ReactComponent must be returned. You may have ' +
'returned null, undefined, an array, or some other invalid object.',
this.constructor.displayName || 'ReactCompositeComponent'
);
return renderedComponent;
}
invariant(
ReactComponent.isValidComponent(renderedComponent),
'%s.render(): A valid ReactComponent must be returned. You may have ' +
'returned null, undefined, an array, or some other invalid object.',
this.constructor.displayName || 'ReactCompositeComponent'
);
return renderedComponent;
},
),
/**
* @private