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hub / github.com/krasimir/react-in-patterns / updateClassInstance

Function updateClassInstance

code/dependency-injection/public/app.js:8765–8880  ·  view source on GitHub ↗
(current, workInProgress, renderExpirationTime)

Source from the content-addressed store, hash-verified

8763
8764 // Invokes the update life-cycles and returns false if it shouldn't rerender.
8765 function updateClassInstance(current, workInProgress, renderExpirationTime) {
8766 var ctor = workInProgress.type;
8767 var instance = workInProgress.stateNode;
8768 resetInputPointers(workInProgress, instance);
8769
8770 var oldProps = workInProgress.memoizedProps;
8771 var newProps = workInProgress.pendingProps;
8772 var oldContext = instance.context;
8773 var newUnmaskedContext = getUnmaskedContext(workInProgress);
8774 var newContext = getMaskedContext(workInProgress, newUnmaskedContext);
8775
8776 // Note: During these life-cycles, instance.props/instance.state are what
8777 // ever the previously attempted to render - not the "current". However,
8778 // during componentDidUpdate we pass the "current" props.
8779
8780 // In order to support react-lifecycles-compat polyfilled components,
8781 // Unsafe lifecycles should not be invoked for any component with the new gDSFP.
8782 if ((typeof instance.UNSAFE_componentWillReceiveProps === 'function' || typeof instance.componentWillReceiveProps === 'function') && typeof ctor.getDerivedStateFromProps !== 'function') {
8783 if (oldProps !== newProps || oldContext !== newContext) {
8784 callComponentWillReceiveProps(workInProgress, instance, newProps, newContext);
8785 }
8786 }
8787
8788 // Compute the next state using the memoized state and the update queue.
8789 var oldState = workInProgress.memoizedState;
8790 // TODO: Previous state can be null.
8791 var newState = void 0;
8792 var derivedStateFromCatch = void 0;
8793 if (workInProgress.updateQueue !== null) {
8794 newState = processUpdateQueue(current, workInProgress, workInProgress.updateQueue, instance, newProps, renderExpirationTime);
8795
8796 var updateQueue = workInProgress.updateQueue;
8797 if (updateQueue !== null && updateQueue.capturedValues !== null && enableGetDerivedStateFromCatch && typeof ctor.getDerivedStateFromCatch === 'function') {
8798 var capturedValues = updateQueue.capturedValues;
8799 // Don't remove these from the update queue yet. We need them in
8800 // finishClassComponent. Do the reset there.
8801 // TODO: This is awkward. Refactor class components.
8802 // updateQueue.capturedValues = null;
8803 derivedStateFromCatch = callGetDerivedStateFromCatch(ctor, capturedValues);
8804 }
8805 } else {
8806 newState = oldState;
8807 }
8808
8809 var derivedStateFromProps = void 0;
8810 if (oldProps !== newProps) {
8811 // The prevState parameter should be the partially updated state.
8812 // Otherwise, spreading state in return values could override updates.
8813 derivedStateFromProps = callGetDerivedStateFromProps(workInProgress, instance, newProps, newState);
8814 }
8815
8816 if (derivedStateFromProps !== null && derivedStateFromProps !== undefined) {
8817 // Render-phase updates (like this) should not be added to the update queue,
8818 // So that multiple render passes do not enqueue multiple updates.
8819 // Instead, just synchronously merge the returned state into the instance.
8820 newState = newState === null || newState === undefined ? derivedStateFromProps : _assign({}, newState, derivedStateFromProps);
8821 }
8822 if (derivedStateFromCatch !== null && derivedStateFromCatch !== undefined) {

Callers 1

updateClassComponentFunction · 0.70

Calls 13

resetInputPointersFunction · 0.70
getUnmaskedContextFunction · 0.70
getMaskedContextFunction · 0.70
processUpdateQueueFunction · 0.70
hasContextChangedFunction · 0.70
startPhaseTimerFunction · 0.70
stopPhaseTimerFunction · 0.70
memoizePropsFunction · 0.70

Tested by

no test coverage detected