Function findHostInstance

packages/react-reconciler/src/ReactFiberReconciler.js:161–178

(component: Object)

}

function findHostInstance(component: Object): PublicInstance | null {
  const fiber = getInstance(component);
  if (fiber === undefined) {
    if (typeof component.render === 'function') {
      throw new Error('Unable to find node on an unmounted component.');
    } else {
      const keys = Object.keys(component).join(',');
      throw new Error(
        `Argument appears to not be a ReactComponent. Keys: ${keys}`,
      );
    }
  }
  const hostFiber = findCurrentHostFiber(fiber);
  if (hostFiber === null) {
    return null;
  }
  return getPublicInstance(hostFiber.stateNode);
}

function findHostInstanceWithWarning(
  component: Object,