Function producerNotifyConsumers

packages/core/primitives/signals/src/graph.ts:339–361

(node: ReactiveNode)

 * Propagate a dirty notification to live consumers of this producer.
 */
export function producerNotifyConsumers(node: ReactiveNode): void {
  if (node.consumers === undefined) {
    return;
  }

  // Prevent signal reads when we're updating the graph
  const prev = inNotificationPhase;
  inNotificationPhase = true;
  try {
    for (
      let link: ReactiveLink | undefined = node.consumers;
      link !== undefined;
      link = link.nextConsumer
    ) {
      const consumer = link.consumer;
      if (!consumer.dirty) {
        consumerMarkDirty(consumer);
      }
    }
  } finally {
    inNotificationPhase = prev;
  }
}

/**
 * Whether this `ReactiveNode` in its producer capacity is currently allowed to initiate updates,