Promise awaited | Typescript

• Promise awaited | Typescript

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// Example 1: Basic Promise and Await

function delay(ms: number): Promise<void> {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

async function example1() {
  console.log("Before delay");
  await delay(2000);
  console.log("After delay");
}

example1();

// Example 2: Handling Promise Rejection

function fetchData(): Promise<string> {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      const success = Math.random() < 0.5;
      if (success) {
        resolve("Data fetched successfully");
      } else {
        reject("Failed to fetch data");
      }
    }, 2000);
  });
}

async function example2() {
  try {
    const data = await fetchData();
    console.log(data);
  } catch (error) {
    console.error(error);
  }
}

example2();

// Awaited - tipo para remover o promise de um tipo
const retorno: Awaited<ReturType<typeof fetchData>> = await fetchData()

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