js 函数运行超时

function runWithTimeout(func, timeout) {
  return new Promise((resolve, reject) => {
    const timer = setTimeout(() => {
      reject(new Error('Function timed out'));
    }, timeout);

    func()
      .then(result => {
        clearTimeout(timer);
        resolve(result);
      })
      .catch(error => {
        clearTimeout(timer);
        reject(error);
      });
  });
}

// 示例函数
function longRunningFunction() {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve('Function completed');
    }, 5000); // 模拟长时间运行的函数
  });
}

// 使用示例
runWithTimeout(longRunningFunction(), 3000)
  .then(result => console.log(result))
  .catch(error => console.error(error.message)); // 输出: Function timed out

function runWithTimeout(func, timeout) {
  const timeoutPromise = new Promise((_, reject) => {
    setTimeout(() => {
      reject(new Error('Function timed out'));
    }, timeout);
  });

  return Promise.race([func(), timeoutPromise]);
}

// 示例函数同上

// 使用示例同上