Function pushHostContext

code/new-context-api/public/app.js:11294–11308

(fiber)

  }

  function pushHostContext(fiber) {
    var rootInstance = requiredContext(rootInstanceStackCursor.current);
    var context = requiredContext(contextStackCursor.current);
    var nextContext = getChildHostContext(context, fiber.type, rootInstance);

    // Don't push this Fiber's context unless it's unique.
    if (context === nextContext) {
      return;
    }

    // Track the context and the Fiber that provided it.
    // This enables us to pop only Fibers that provide unique contexts.
    push(contextFiberStackCursor, fiber, fiber);
    push(contextStackCursor, nextContext, fiber);
  }

  function popHostContext(fiber) {
    // Do not pop unless this Fiber provided the current context.