Created
January 13, 2019 05:08
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React code for hooks-todo.
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import React, { useState } from 'react'; | |
import './scss/App.scss' | |
function App() { | |
const [todoValue, setTodoValue] = useState(''); | |
const [todos, setTodo] = useState([]) | |
const handleChange = e => { | |
setTodoValue(e.target.value); | |
} | |
const handleSubmit = e => { | |
e.preventDefault(); | |
const todo = { | |
value: todoValue, | |
done: false | |
} | |
if(!todoValue) return; | |
setTodo([...todos, todo]); | |
document.getElementById('todoValue').value = '' | |
} | |
const handleDelete = e => { | |
const { id } = e.target.parentElement; | |
todos.splice(id, 1) | |
setTodo([...todos]); | |
} | |
const handleDone = e => { | |
const { id } = e.target.parentElement; | |
todos[id].done = !todos[id].done | |
setTodo([...todos]) | |
} | |
return ( | |
<div className="todo-list"> | |
<h1 className="head"> Todo List (React Hooks)</h1> | |
<div className="todos"> | |
{ | |
todos && todos.map((todo, i) => ( | |
<div className="todo-block" key={todo.value} id={i}> | |
<button className={todo.done ? 'done' : 'not-done'} onClick={handleDone}>{todo.value}</button> | |
<button className="delete-todo" onClick={handleDelete} >x</button> | |
</div> | |
)) | |
} | |
</div> | |
<form className="todo-form" onSubmit={handleSubmit}> | |
<input type="text" id="todoValue" onChange={handleChange}/> | |
<button type="submit">Add Todo</button> | |
</form> | |
</div> | |
) | |
} | |
export default App; |
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