TypeScript code snippets

_snippets.ts

interface StatusRequestBody {
        query: {
                match: { status_id: string };
        };
}

await new Promise(resolve => setTimeout(resolve, 500));

return new Promise<void>((resolve, reject) => {
        this.client.quit();
        resolve();
});

const asyncFunc: () => Promise<void> = async () => {
    await new Promise(resolve => resolve());
};

// https://developer.mozilla.org/ru/docs/Learn/JavaScript/Asynchronous/Async_await

async Connect(): Promise<void> {
    await this.client.connect();
    console.log('==> REDIS!!');
    await this.kk();
}

async Close(): Promise<void> {
    return this.client.quit();
}

async kk(): Promise<void> {
    const value = await this.client.get(`foo`);
    console.log('value = ', value);
}
  

// rejectable promises:

function makeRejectable<Value>(src: Promise<Value>): [Promise<Value>, (err?: unknown) => void] {
  let reject: ((err?: unknown) => void) = () => {};
  const promise = new Promise<Value>((res, rej) => {
      reject = rej;
      src.then(res, rej);
  });

  return [promise, reject];
}


const [promise, reject] = makeRejectable(Promise.all([1, 'q']));

promise.then(console.log, console.error);

reject('reject');
//setTimeout(reject, 1000, 'reject');