Add author and mentions relation to fetching messages

src/api/routes/channels/#channel_id/messages/index.ts

@@ -129,6 +129,8 @@ router.get(
 				"sticker_items",
 				"attachments",
 				"referenced_message",
+				"referenced_message.author",
+				"referenced_message.mentions",
 			],
 		};
 

src/util/util/extensions/Array.ts

@@ -21,6 +21,7 @@ declare global {
 		containsAll(target: T[]): boolean;
 		partition(filter: (elem: T) => boolean): [T[], T[]];
 		single(filter: (elem: T) => boolean): T | null;
+		forEachAsync(callback: (elem: T, index: number, array: T[]) => Promise<void>): Promise<void>;
 	}
 }
 
@@ -43,6 +44,10 @@ export function single<T>(array: T[], filter: (elem: T) => boolean): T | null {
 	return results[0];
 }
 
+export async function forEachAsync<T>(array: T[], callback: (elem: T, index: number, array: T[]) => Promise<void>): Promise<void> {
+	await Promise.all(array.map(callback));
+}
+
 // register extensions
 if (!Array.prototype.containsAll)
 	Array.prototype.containsAll = function <T>(this: T[], target: T[]) {