Function animate

packages/dev/s2-docs/pages/react-aria/home/utils.ts:35–59

(steps: {time: number; perform: () => void}[])

animationQueue.next(); // advance to first yield

export function animate(steps: {time: number; perform: () => void}[]): () => void {
  let cancelCurrentStep;
  async function run() {
    for (let step of steps) {
      try {
        step.perform();
        let {promise, cancel} = sleep(step.time);
        cancelCurrentStep = cancel;
        await promise;
      } catch {
        break;
      }
    }
  }

  let job = {isCanceled: false, run};
  animationQueue.next(job);

  return () => {
    job.isCanceled = true;
    if (cancelCurrentStep) {
      cancelCurrentStep();
    }
  };
}

function sleep(ms: number) {
  let timeout;