Supprimer une tâche dans React Native

				
					
 import React, { useState } from "react";
import { Text, View, StyleSheet, TextInput, Button } from "react-native";
import ToDoList from "@/components/toDoList";
export default function Index() {
const [todos, setTodos] = useState([
{ text: "Apprendre le React Native", key: "1" },
{ text: "Construire ma première application  React Native", key: "2" },
]);
const [newToDoText, setNewToDoText] = useState("");
const [nextKey, setNextKey] = useState(3);
const [editingText, setEditingText] = useState("");
const [editingToDo, setEditingToDo] = useState(null);
// Ajouter une tâche
const handleAddTodo = () => {
setTodos((prevTodos) => [
...prevTodos,
{ text: newToDoText, key: String(nextKey) },
]);
setNewToDoText("");
setNextKey(nextKey + 1);
};
// Supprimer une tâche
const handleDeleteTodo = (key) => {
setTodos((prevTodos) => prevTodos.filter((todo) => todo.key !== key));
};
// Commencer l'édition d'une tâche
const handleEditTodo = (key) => {
const todoToEdit = todos.find((todo) => todo.key === key);
if (todoToEdit) {
setEditingText(todoToEdit.text);
setEditingToDo(todoToEdit);
}
};
// Enregistrer les modifications
const handleSaveEdit = () => {
if (editingToDo) {
setTodos((prevTodos) =>
prevTodos.map((todo) =>
todo.key === editingToDo.key
? { ...todo, text: editingText }
: todo
)
);
setEditingToDo(null);
setEditingText("");
}
};
// Annuler l'édition
const handleCancelEdit = () => {
setEditingToDo(null);
setEditingText("");
};
// Affichage
return (
<View style={styles.main}>
<Text>Listes des tâches:</Text>
<ToDoList
todos={todos}
handleEditTodo={handleEditTodo}
handleDeleteTodo={handleDeleteTodo}
/>
{editingToDo ? (
<View>
<TextInput
style={styles.inputMargin}
value={editingText}
onChangeText={setEditingText}
placeholder="Modifier la tâche"
/>
<Button title="Enregistrer" onPress={handleSaveEdit} />
<Button title="Annuler" onPress={handleCancelEdit} />
</View>
) : (
<View>
<TextInput
style={styles.inputMargin}
value={newToDoText}
onChangeText={setNewToDoText}
placeholder="Entrer une nouvelle tâche"
/>
<Button title="Ajouter" onPress={handleAddTodo} />
</View>
)}
</View>
);
}
const styles = StyleSheet.create({
main: {
flex: 1,
justifyContent: "center",
alignItems: "center",
},
inputMargin: {
marginBottom: 4,
},
});