add getMessages

src/helpers/messages/get_messages.ts

@@ -1,5 +1,11 @@
 import { rest } from "../../rest/rest.ts";
 import { structures } from "../../structures/mod.ts";
+import {
+  GetMessagesAfter,
+  GetMessagesAround,
+  GetMessagesBefore,
+  GetMessagesLimit,
+} from "../../types/messages/get_messages.ts";
 import { DiscordMessage } from "../../types/messages/message.ts";
 import { endpoints } from "../../util/constants.ts";
 import { requireBotChannelPermissions } from "../../util/permissions.ts";
@@ -11,7 +17,7 @@ export async function getMessages(
     | GetMessagesAfter
     | GetMessagesBefore
     | GetMessagesAround
-    | GetMessages,
+    | GetMessagesLimit,
 ) {
   await requireBotChannelPermissions(channelId, [
     "VIEW_CHANNEL",

src/types/messages/get_messages.ts

@@ -0,0 +1,28 @@
+export interface GetMessagesLimit {
+  /** Max number of messages to return (1-100) default 50 */
+  limit?: number;
+}
+
+export interface GetMessagesAround extends GetMessagesLimit {
+  /** Get messages around this message id */
+  around?: string;
+}
+
+export interface GetMessagesBefore extends GetMessagesLimit {
+  /** Get messages before this message id */
+  before?: string;
+}
+
+export interface GetMessagesAfter extends GetMessagesLimit {
+  /** Get messages after this message id */
+  after?: string;
+}
+
+export type GetMessages =
+  & GetMessagesLimit
+  & GetMessagesAfter
+  & GetMessagesBefore
+  & GetMessagesAround;
+
+/** https://discord.com/developers/docs/resources/channel#get-channel-messages-query-string-params */
+export type DiscordGetMessages = GetMessages;