Add ESLint (#941)

* Add eslint, switch to lint-staged for precommit

* Fix all ESLint errors

* Update GH workflow to check prettier and eslint

1 files changed, 2 insertions, 2 deletions

diff --git a/src/util/util/cdn.ts b/src/util/util/cdn.ts

index 6d2fd0f1..7f447c53 100644
--- a/src/util/util/cdn.ts
+++ b/src/util/util/cdn.ts
@@ -24,7 +24,8 @@ import { Config } from "./Config";
 
 export async function uploadFile(
 	path: string,
-	file?: Express.Multer.File,
+	// These are the only props we use, don't need to enforce the full type.
+	file?: Pick<Express.Multer.File, "mimetype" | "originalname" | "buffer">,
 ): Promise<Attachment> {
 	if (!file?.buffer) throw new HTTPError("Missing file in body");
 
@@ -60,7 +61,6 @@ export async function handleFile(
 		const mimetype = body.split(":")[1].split(";")[0];
 		const buffer = Buffer.from(body.split(",")[1], "base64");
 
-		// @ts-ignore
 		const { id } = await uploadFile(path, {
 			buffer,
 			mimetype,