[fix] add explicit types to examples (#2657)

Fixes ESLint and TypeScript integration in _api.ts and form.ts example files

Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com>

.changeset/poor-cameras-kick.md

@@ -0,0 +1,5 @@
+---
+'create-svelte': patch
+---
+
+Add explicit types in `_api.ts` and `form.ts` for TypeScript and ESLint integration example

packages/create-svelte/templates/default/src/lib/form.ts

@@ -11,8 +11,8 @@ export function enhance(
 		error?: (res: Response, error: Error, form: HTMLFormElement) => void;
 		result: (res: Response, form: HTMLFormElement) => void;
 	}
-) {
-	let current_token: {};
+): { destroy: () => void } {
+	let current_token: unknown;
 
 	async function handle_submit(e: Event) {
 		const token = (current_token = {});

packages/create-svelte/templates/default/src/routes/todos/_api.ts

@@ -1,4 +1,4 @@
-import type { Request } from '@sveltejs/kit';
+import type { EndpointOutput, Request } from '@sveltejs/kit';
 import type { Locals } from '$lib/types';
 
 /*
@@ -14,7 +14,11 @@ import type { Locals } from '$lib/types';
 
 const base = 'https://api.svelte.dev';
 
-export async function api(request: Request<Locals>, resource: string, data?: {}) {
+export async function api(
+	request: Request<Locals>,
+	resource: string,
+	data?: Record<string, unknown>
+): Promise<EndpointOutput> {
 	// user must have a cookie set
 	if (!request.locals.userid) {
 		return { status: 401 };