Function invalidateContextProvider

docs/external/js/react-dom.development.js:10980–11008

(workInProgress, type, didChange)

  }

  function invalidateContextProvider(workInProgress, type, didChange) {
    {
      var instance = workInProgress.stateNode;

      if (!instance) {
        {
          throw Error( "Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue." );
        }
      }

      if (didChange) {
        // Merge parent and own context.
        // Skip this if we're not updating due to sCU.
        // This avoids unnecessarily recomputing memoized values.
        var mergedContext = processChildContext(workInProgress, type, previousContext);
        instance.__reactInternalMemoizedMergedChildContext = mergedContext; // Replace the old (or empty) context with the new one.
        // It is important to unwind the context in the reverse order.

        pop(didPerformWorkStackCursor, workInProgress);
        pop(contextStackCursor, workInProgress); // Now push the new context and mark that it has changed.

        push(contextStackCursor, mergedContext, workInProgress);
        push(didPerformWorkStackCursor, didChange, workInProgress);
      } else {
        pop(didPerformWorkStackCursor, workInProgress);
        push(didPerformWorkStackCursor, didChange, workInProgress);
      }
    }
  }

  function findCurrentUnmaskedContext(fiber) {
    {