[examples] Update todo functionality in the "sveltekit" example (#7506)

examples/sveltekit/src/routes/todos/index.js

@@ -0,0 +1,66 @@
+import { api } from './_api';
+
+export const get = async ({ locals }) => {
+	// locals.userid comes from src/hooks.js
+	const response = await api('get', `todos/${locals.userid}`);
+
+	if (response.status === 404) {
+		// user hasn't created a todo list.
+		// start with an empty array
+		return {
+			body: {
+				todos: []
+			}
+		};
+	}
+
+	if (response.status === 200) {
+		return {
+			body: {
+				todos: await response.json()
+			}
+		};
+	}
+
+	return {
+		status: response.status
+	};
+};
+
+export const post = async ({ request, locals }) => {
+	const form = await request.formData();
+
+	await api('post', `todos/${locals.userid}`, {
+		text: form.get('text')
+	});
+
+	return {};
+};
+
+// If the user has JavaScript disabled, the URL will change to
+// include the method override unless we redirect back to /todos
+const redirect = {
+	status: 303,
+	headers: {
+		location: '/todos'
+	}
+};
+
+export const patch = async ({ request, locals }) => {
+	const form = await request.formData();
+
+	await api('patch', `todos/${locals.userid}/${form.get('uid')}`, {
+		text: form.has('text') ? form.get('text') : undefined,
+		done: form.has('done') ? !!form.get('done') : undefined
+	});
+
+	return redirect;
+};
+
+export const del = async ({ request, locals }) => {
+	const form = await request.formData();
+
+	await api('delete', `todos/${locals.userid}/${form.get('uid')}`);
+
+	return redirect;
+};