JavaScript

Promises

const completionMessage = "All tasks processed";

// Write your code below this


// Write your code above this

// Do not delete the below code
const tasks = [{
    taskName: "Data Backup",
    taskDuration: 3000
  },
  {
    taskName: "Test Task",
    taskDuration: 0
  },
  {
    taskName: "Process Payment",
    taskDuration: 1
  },
  {
    taskName: "System Update",
    taskDuration: 5000
  },
];

runScheduler(tasks);

const completionMessage = "All tasks processed";

// Write your code below this

const executeTask = (taskName, taskDuration) => {
  return new Promise((resolve, reject) => {
    if (taskDuration > 0) {
      setTimeout(() => {
        resolve(`${taskName} completed successfully in ${taskDuration} ms.`);
      }, taskDuration);
    } else {
      reject(`${taskName} failed: Invalid duration.`);
    }
  });
};

const runScheduler = async (tasks) => {
  try {
    const results = await Promise.all(
      tasks.map((task) => executeTask(task.taskName, task.taskDuration))
    );
    results.forEach((result) => console.log(result));
    console.log("All tasks completed successfully!");
  } catch (error) {
    console.error("Error:", error);
  } finally {
    console.log(completionMessage);
  }
};

// Write your code above this

// Do not delete the below code
const tasks = [{
    taskName: "Data Backup",
    taskDuration: 3000
  },
  {
    taskName: "Test Task",
    taskDuration: 0
  },
  {
    taskName: "Process Payment",
    taskDuration: 1
  },
  {
    taskName: "System Update",
    taskDuration: 5000
  },
];

runScheduler(tasks);