add: editWelcomeScreen function

src/helpers/guilds/edit_welcome_screen.ts

@@ -0,0 +1,21 @@
+import { rest } from "../../rest/rest.ts";
+import { ModifyGuildWelcomeScreen } from "../../types/guilds/modify_guild_welcome_screen.ts";
+import { WelcomeScreen } from "../../types/mod.ts";
+import { endpoints } from "../../util/constants.ts";
+import {
+  camelKeysToSnakeCase,
+  snakeKeysToCamelCase,
+} from "../../util/utils.ts";
+
+export async function editWelcomeScreen(
+  guildId: string,
+  options: ModifyGuildWelcomeScreen,
+) {
+  const result = await rest.runMethod(
+    "patch",
+    endpoints.GUILD_WELCOME_SCREEN(guildId),
+    camelKeysToSnakeCase(options),
+  );
+
+  return snakeKeysToCamelCase<WelcomeScreen>(result);
+}

src/helpers/mod.ts

@@ -31,6 +31,7 @@ import { getEmojis } from "./emojis/get_emojis.ts";
 import { createGuild } from "./guilds/create_guild.ts";
 import { deleteServer } from "./guilds/delete_server.ts";
 import { editGuild } from "./guilds/edit_guild.ts";
+import { editWelcomeScreen } from "./guilds/edit_welcome_screen.ts";
 import { editWidget } from "./guilds/edit_widget.ts";
 import { getAuditLogs } from "./guilds/get_audit_logs.ts";
 import { getAvailableVoiceRegions } from "./guilds/get_available_voice_regions.ts";
@@ -164,6 +165,7 @@ export {
   editWebhook,
   editWebhookMessage,
   editWebhookWithToken,
+  editWelcomeScreen,
   editWidget,
   emojiURL,
   executeWebhook,
@@ -277,6 +279,7 @@ export let helpers = {
   deleteServer,
   editGuild,
   editWidget,
+  editWelcomeScreen,
   emojiURL,
   getAuditLogs,
   getAvailableVoiceRegions,