Switch login endpoints to +page.server, fix logout refresh

Author: WarningImHack3r

src/routes/+layout.svelte

@@ -250,7 +250,7 @@
 										toast.success("Logged out", {
 											description: "You have been logged out. Refreshing in 3 seconds...",
 											duration: 3000,
-											onAutoClose: location.reload
+											onAutoClose: () => location.reload()
 										});
 									}}
 									class="cursor-pointer text-red-500"

src/routes/login/+server.ts renamed to src/routes/login/+page.server.ts

@@ -2,7 +2,7 @@ import { redirect } from "@sveltejs/kit";
 import { generateState } from "arctic";
 import { github } from "$lib/server/auth";
 
-export async function GET({ cookies }) {
+export async function load({ cookies }) {
 	const state = generateState();
 	const url = await github.createAuthorizationURL(state);
 

src/routes/login/callback/+server.ts renamed to src/routes/login/callback/+page.server.ts

@@ -1,26 +1,20 @@
+import { error, redirect } from "@sveltejs/kit";
 import { github } from "$lib/server/auth";
 import { tokenKey } from "$lib/types";
 
-export async function GET({ cookies, url }) {
+export async function load({ cookies, url }) {
 	const code = url.searchParams.get("code");
 	const state = url.searchParams.get("state");
 	const storedState = cookies.get("github_oauth_state") ?? null;
 
 	if (!code || !state || !storedState || state !== storedState) {
-		return new Response(null, {
-			status: 400
-		});
+		error(400);
 	}
 	cookies.delete("github_oauth_state", {
 		path: "/"
 	});
 
 	const tokens = await github.validateAuthorizationCode(code);
 
-	return new Response(null, {
-		status: 302,
-		headers: {
-			Location: `/?${tokenKey}=${tokens.accessToken}`
-		}
-	});
+	return redirect(302, `/?${tokenKey}=${tokens.accessToken}`);
 }