dyomedea/src/todo-list.tsx

58 lines
1.4 KiB
TypeScript

import { For, createSignal } from 'solid-js';
type Todo = { id: number; text: string; completed: boolean };
export const TodoList = () => {
let input!: HTMLInputElement;
let todoId = 0;
const [todos, setTodos] = createSignal<Todo[]>([]);
const addTodo = (text: string) => {
setTodos([...todos(), { id: ++todoId, text, completed: false }]);
};
const toggleTodo = (id: number) => {
setTodos(
todos().map((todo) =>
todo.id === id ? { ...todo, completed: !todo.completed } : todo,
),
);
};
return (
<>
<div>
<input placeholder="new todo here" ref={input} />
<button
onClick={() => {
if (!input.value.trim()) return;
addTodo(input.value);
input.value = '';
}}
>
Add Todo
</button>
</div>
<For each={todos()}>
{(todo) => {
const { id, text } = todo;
return (
<div>
<input
type="checkbox"
checked={todo.completed}
onchange={[toggleTodo, id]}
/>
<span
style={{
'text-decoration': todo.completed ? 'line-through' : 'none',
}}
>
{text}
</span>
</div>
);
}}
</For>
</>
);
};