From 6f93574e8a85c28715ed3512c6a1d7185e832628 Mon Sep 17 00:00:00 2001
From: 0d0 <0d0acre@esiliati.org>
Date: Sun, 23 Feb 2025 06:37:13 +0100
Subject: [PATCH] Remove useless helper

---
 src/lib/server/helpers.ts      | 11 +----------
 src/routes/download/+server.ts | 12 ++++++------
 2 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/src/lib/server/helpers.ts b/src/lib/server/helpers.ts
index b334c5b..09cc730 100644
--- a/src/lib/server/helpers.ts
+++ b/src/lib/server/helpers.ts
@@ -10,13 +10,4 @@ export const isURLValid = (url: string) => {
 
     return true;
 }
-export const mimeTypeMap = formatMime;
-export const contentTypeFromFormat = (format: string): string => {
-    const toReturn: string | undefined = formatMime.get(format)
-
-    if (!toReturn) {
-        throw new Error("Unsupported format")
-    }
-
-    return toReturn;
-}
\ No newline at end of file
+export const mimeTypeMap = formatMime;
\ No newline at end of file
diff --git a/src/routes/download/+server.ts b/src/routes/download/+server.ts
index 5d5c6aa..6369cb5 100644
--- a/src/routes/download/+server.ts
+++ b/src/routes/download/+server.ts
@@ -1,9 +1,9 @@
 import { error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types';
 import { getYouTubeMetadata, streamYouTube, ytdl } from '$lib/server/ytdlp';
-import { contentTypeFromFormat, isURLValid, mimeTypeMap } from '$lib/server/helpers';
+import { isURLValid, mimeTypeMap } from '$lib/server/helpers';
 
-const validateRequest = (url) => {
+const validateRequest = (url: URL) => {
 	// Get query params
 	const link = url.searchParams.get('link');
 	const format = url.searchParams.get('format'); // mp3, mp4
@@ -35,11 +35,11 @@ export const GET: RequestHandler = async ({ url }) => {
 	const { format, source, metadata, link } = validateRequest(url)
 	let filename = `you-clicked-no-metadata-so-i-cant-put-a-correct-name.${format}`;
 
-	if (metadata) {
+	if (!!metadata) {
 		try {
 			// Fetch metadata for filename
-			const metadata = await getYouTubeMetadata(link);
-			const { title, uploader } = metadata;
+			const ytMetadata = await getYouTubeMetadata(link);
+			const { title, uploader } = ytMetadata;
 			const safeTitle = `${uploader} - ${title}`;
 			filename = `${safeTitle}.${format}`;
 		} catch (err) {
@@ -54,7 +54,7 @@ export const GET: RequestHandler = async ({ url }) => {
 		// Stream video/audio
 		return new Response(streamYouTube(link, format), {
 			headers: {
-				'Content-Type': contentTypeFromFormat(format),
+				'Content-Type': "text/event-stream",
 				'Content-Disposition': `attachment; filename="${filename}"`,
 				'Set-Cookie': 'downloading=0'
 			}