Function pushHostContainer

docs/index.js:3953–3989

(fiber, nextRootInstance)

  rootInstanceStackCursor = createCursor(null),
  hostTransitionProviderCursor = createCursor(null);
function pushHostContainer(fiber, nextRootInstance) {
  push(rootInstanceStackCursor, nextRootInstance);
  push(contextFiberStackCursor, fiber);
  push(contextStackCursor, null);
  fiber = nextRootInstance.nodeType;
  switch (fiber) {
    case 9:
    case 11:
      nextRootInstance = (nextRootInstance = nextRootInstance.documentElement)
        ? (nextRootInstance = nextRootInstance.namespaceURI)
          ? getOwnHostContext(nextRootInstance)
          : 0
        : 0;
      break;
    default:
      if (
        ((fiber = 8 === fiber ? nextRootInstance.parentNode : nextRootInstance),
        (nextRootInstance = fiber.tagName),
        (fiber = fiber.namespaceURI))
      )
        (fiber = getOwnHostContext(fiber)),
          (nextRootInstance = getChildHostContextProd(fiber, nextRootInstance));
      else
        switch (nextRootInstance) {
          case "svg":
            nextRootInstance = 1;
            break;
          case "math":
            nextRootInstance = 2;
            break;
          default:
            nextRootInstance = 0;
        }
  }
  pop(contextStackCursor);
  push(contextStackCursor, nextRootInstance);
}
function popHostContainer() {
  pop(contextStackCursor);
  pop(contextFiberStackCursor);