Function destroyWatchNode

packages/core/primitives/signals/src/watch.ts:86–96

(node: WatchNode)

  }

  function destroyWatchNode(node: WatchNode) {
    if (!isWatchNodeDestroyed(node)) {
      consumerDestroy(node); // disconnect watcher from the reactive graph
      node.cleanupFn();

      // nullify references to the integration functions to mark node as destroyed
      node.fn = null;
      node.schedule = null;
      node.cleanupFn = NOOP_CLEANUP_FN;
    }
  }

  const run = () => {
    if (node.fn === null) {