function flattenTasks(tasks, flattenContacts = false){

    let flattened = [];

​

    tasks.forEach(task => {

      if (flattenContacts) {

        flattened.push(

          {

            ...task,

            'contacts': task?.contacts?.length ? task.contacts.map(c => c.id) : [],

            'subtasks': task?.subtasks?.length ? task.subtasks.map(s => s.id_uuid) : [],

          }

        )

      } else {

        flattened.push(

          {

            ...task,

            'subtasks': task?.subtasks?.length ? task.subtasks.map(s => s.id_uuid) : [],

          }

        )

      }

​

​

      if (task?.subtasks?.length) {

        flattened = [...flattened, ...flattenTasks(task.subtasks, flattenContacts)];

      }

    })

​

    return flattened;

  }

​

myCopy = flattenTasks(myTasks);

function flattenTasks(tasks) {

    const result = [];

    const stack = [...tasks];

    while (stack.length) {

        const task = stack.pop();

        result.push({ ...task });

        if (task.subtasks) {

          stack.push(...task.subtasks);

        }

    }

    return result;

}

​

myCopy = flattenTasks(myTasks);