chore (backend): add prelude/unsafe-cast for unsafe type casting

packages/backend/src/models/entities/user.ts

@@ -9,6 +9,8 @@ import {
 import { id } from "../id.js";
 import { DriveFile } from "./drive-file.js";
 
+export type EmojiModPerm = "unauthorized" | "add" | "mod" | "full";
+
 @Entity()
 @Index(["usernameLower", "host"], { unique: true })
 export class User {
@@ -188,7 +190,7 @@ export class User {
 		enum: ["unauthorized", "add", "mod", "full"],
 		default: "unauthorized",
 	})
-	public emojiModPerm: "unauthorized" | "add" | "mod" | "full";
+	public emojiModPerm: EmojiModPerm;
 
 	@Index()
 	@Column("boolean", {

packages/backend/src/prelude/await-all.ts

@@ -1,10 +1,12 @@
+import { unsafeCast } from "./unsafe-cast.js";
+
 export type Promiseable<T> = {
 	[K in keyof T]: Promise<T[K]> | T[K];
 };
 
 export async function awaitAll<T>(obj: Promiseable<T>): Promise<T> {
 	const target = {} as T;
-	const keys = Object.keys(obj) as unknown as (keyof T)[];
+	const keys = unsafeCast<(keyof T)[]>(Object.keys(obj));
 	const values = Object.values(obj) as any[];
 
 	const resolvedValues = await Promise.all(

packages/backend/src/prelude/unsafe-cast.ts

@@ -0,0 +1,4 @@
+// unsafe type cast
+export function unsafeCast<T>(val: unknown): T {
+	return val as T;
+}

packages/backend/src/server/api/endpoints/admin/set-emoji-moderator.ts

@@ -1,6 +1,8 @@
 import define from "@/server/api/define.js";
 import { Users } from "@/models/index.js";
 import { publishInternalEvent } from "@/services/stream.js";
+import type { EmojiModPerm } from "@/models/entities/user.js";
+import { unsafeCast } from "@/prelude/unsafe-cast.js";
 
 export const meta = {
 	tags: ["admin"],
@@ -31,12 +33,8 @@ export default define(meta, paramDef, async (ps) => {
 		);
 	}
 
-	const _emojiModPerm =
-		(ps.emojiModPerm as "unauthorized" | "add" | "mod" | "full") ??
-		"unauthorized";
-
 	await Users.update(user.id, {
-		emojiModPerm: _emojiModPerm,
+		emojiModPerm: unsafeCast<EmojiModPerm>(ps.emojiModPerm),
 	});
 
 	publishInternalEvent("userChangeModeratorState", {