Function popTreeContext

packages/react-reconciler/src/ReactFiberTreeContext.js:228–251

(workInProgress: Fiber)

}

export function popTreeContext(workInProgress: Fiber) {
  // Restore the previous values.

  // This is a bit more complicated than other context-like modules in Fiber
  // because the same Fiber may appear on the stack multiple times and for
  // different reasons. We have to keep popping until the work-in-progress is
  // no longer at the top of the stack.

  while (workInProgress === treeForkProvider) {
    treeForkProvider = forkStack[--forkStackIndex];
    forkStack[forkStackIndex] = null;
    treeForkCount = forkStack[--forkStackIndex];
    forkStack[forkStackIndex] = null;
  }

  while (workInProgress === treeContextProvider) {
    treeContextProvider = idStack[--idStackIndex];
    idStack[idStackIndex] = null;
    treeContextOverflow = idStack[--idStackIndex];
    idStack[idStackIndex] = null;
    treeContextId = idStack[--idStackIndex];
    idStack[idStackIndex] = null;
  }
}

export function getSuspendedTreeContext(): TreeContext | null {
  warnIfNotHydrating();