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App.jsx
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App.jsx
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import { useReducer, useState } from 'react';
import './App.css';
const initialState = [];
function reducer(state, action) {
switch (action.type) {
case 'Clear':
return [];
case 'Completed':
return state.map((todo) => ({...todo, completed: true }));
case 'Create':
return [...state, { title: action.title, description: action.description, completed: false }];
case 'Edit':
return state.map((todo) => (todo.title === action.title? {...todo, description: action.description } : todo));
case 'Delete':
return state.filter((todo) => todo.title!== action.title);
default:
return state;
}
}
export const App = () => {
const [state, dispatch] = useReducer(reducer, initialState);
const [title, setTitle] = useState('');
const [description, setDescription] = useState('');
const handleCreate = () => {
dispatch({ type: 'Create', title, description });
setTitle('');
setDescription('');
};
const handleClear = () => {
dispatch({ type: 'Clear' });
};
const handleCompleted = () => {
dispatch({ type: 'Completed' });
};
const handleEdit = (title, description) => {
dispatch({ type: 'Edit', title, description });
};
const handleDelete = (title) => {
dispatch({ type: 'Delete', title });
};
return (
<>
<h2>Todo Application</h2>
<div className="class1">
<input type="text" value={title} onChange={(e) => setTitle(e.target.value)} placeholder="Todo title" />
<input type="text" value={description} onChange={(e) => setDescription(e.target.value)} placeholder="Description" />
<button onClick={handleCreate} >Create Todo</button>
</div>
<div className="btn">
<button onClick={handleClear}>Clear Todos</button>
<button onClick={handleCompleted}>Marks As Completed</button>
</div><hr />
<table>
<tr>
<td> <input type="checkbox" /> </td>
<td>Name</td>
<td>Description</td>
<td>Status</td>
<td>Action</td>
</tr>
{state.map((todo) => (
<tr key={todo.title}>
<td> <input type="checkbox" checked={todo.completed} /> </td>
<td>{todo.title}</td>
<td>{todo.description}</td>
<td>
{todo.completed? (
<span style={{ color: 'green' }}>Completed</span>
) : (
<span style={{ color: 'red' }}>Pending</span>
)}
</td>
<td>
<div className="action">
<button onClick={() => handleEdit(todo.title, prompt('Enter new description'))}>Edit</button>
<button onClick={() => handleDelete(todo.title)}>Delete</button>
</div>
</td>
</tr>
))}
</table>
</>
);
};
export default App;