import { sleep } from 'promise-assist';

async function myOperation() {
  const startTime = Date.now();
  await sleep(500);
  console.log(`${Date.now() - startTime}ms passed!`);
}

import { timeout } from 'promise-assist';

async function myOperation() {
  try {
    const data = await timeout(
      fetchDataFromServer(), // pass a Promise to the timeout function
      10000, // request will be limited to 10 seconds
      `failed loading required data from backend`
    );
    // do something with the data
  } catch (e) {
    // handle errors
  }
}

import { deferred } from 'promise-assist';

const { promise, resolve, reject } = deferred<string>();

// `resolve` or `reject` calls are reflected on `promise`
promise.then((value) => console.log(value));
resolve('some text');
// 'some text' is printed to console

import { retry } from 'promise-assist';

// with default options
retry(() => fetch('http://some-url/asset.json'))
  .then((value) => value.json())
  .then(console.log)
  .catch((e) => console.error(e));

// with custom options
retry(() => fetch('http://some-url/asset.json'), {
  retries: Infinity, // infinite number of retries
  delay: 10 * 1000, // 10 seconds delay between retries
  timeout: 2 * 60 * 1000, // 2 minutes timeout to stop trying
})
  .then((value) => value.json())
  .then(console.log)
  .catch((e) => console.error(e));

import { waitFor } from 'promise-assist';

describe('suit', () => {
  it('should wait for an assertion to pass', async () => {
    let trueLater = false;
    setTimeout(() => {
      trueLater = true;
    }, 50);

    await waitFor(() => {
      expect(trueLater).to.equal(true);
    });
  });
});