tasks.ts

export interface Task {
  id: string;
  task: string;
}

export function getTasks(): Task[] {
  try {
    let lsTasks = localStorage.getItem("tasks");
    if (lsTasks) return JSON.parse(lsTasks);
  } catch (e) {}
  let tasks = new Array(20).fill(0).map((_, idx) => ({
    id: String(idx + 1),
    task: `Task #${idx + 1}`,
  }));
  localStorage.setItem("tasks", JSON.stringify(tasks));
  return tasks;
}

export function addTask(taskMsg: string): Task {
  let task = {
    id: Math.random().toString(32).substring(2),
    task: taskMsg,
  };
  let tasks = getTasks();
  tasks.push(task);
  localStorage.setItem("tasks", JSON.stringify(tasks));
  return task;
}

export function deleteTask(id: string): void {
  let tasks = getTasks();
  let idx = tasks.findIndex((t) => t.id === id);
  tasks.splice(idx, 1);
  localStorage.setItem("tasks", JSON.stringify(tasks));
}