todoStudy

gistfile1.txt

function removeTodo(todoList: Todo[], id: number): Todo[]  {
  throwErrors(todoList, id);
  let newList = todoList.filter((item: Todo) => {
    return item.id !== id
  })

  return newList;
}

function toogleTodo(todoList: Todo[], id: number): Todo[]  {
  throwErrors(todoList, id);

  let toogledList = todoList.map((item: Todo) => {
    if (item.id === id) {
      item.completed = !item.completed
    }

    return item;
  })
  
  return toogledList;
}

function getPendingTodos(todoList: Todo[]): Todo[] {
  let newList = todoList.filter((item) => {
    return item.completed === false;
  })
  return newList;
}

function checkIfTodoExist(todoList: Todo[], id: number): boolean {
  return todoList.some(item => item.id === id)
}

function throwErrors(todoList: Todo[], id: number) {
  if (!checkIfTodoExist(todoList, id)) {
    throw new TypeError('todo id doesnt exist');
  }
}

function returnOnlyTodosAfterOrEqual(todoList: Todo[], date: Date) {
  const dateOnly = new Date(date);
  dateOnly.setHours(0, 0, 0, 0);
  let newList = todoList.filter(item => item.dueDate && item.dueDate >= dateOnly)
  return newList;
}

let newItem = {id: 3, title: "test", completed: false, dueDate: new Date('11/11/2024')}
todos = addTodo(todos, newItem);
todos = removeTodo(todos, 1)
todos = toogleTodo(todos, 3)
let todoAfterToday = returnOnlyTodosAfterOrEqual(todos, new Date());
console.log(todoAfterToday)