temporal_workflow_condition_pause_with_signal_handler.ts

1import { condition, defineSignal, setHandler } from '@temporalio/workflow';
2
3const proceedSignal = defineSignal('proceed');
4
5export async function myWorkflow(): Promise<void> {
6  let canProceed = false;
7
8  // Set up a signal handler to update the condition variable
9  setHandler(proceedSignal, () => {
10    canProceed = true;
11  });
12
13  // Pause execution until canProceed is true
14  // This is the "condition" mechanism in Temporal TypeScript
15  await condition(() => canProceed);
16
17  // Alternatively, with a timeout:
18  // if (await condition(() => canProceed, '10 minutes')) {
19  //   // Condition was met
20  // } else {
21  //   // Timed out
22  // }
23
24  console.log('Proceeding with workflow execution...');
25}