change: command names can only be lowercase

src/types/interactions/commands/application_command.ts

@@ -6,7 +6,7 @@ export interface ApplicationCommand {
   id: string;
   /** Unique id of the parent application */
   applicationId: string;
-  /** 1-32 character name matching `^[\w-]{1,32}$` */
+  /** 1-32 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
   /** 1-100 character description */
   description: string;

src/types/interactions/commands/application_command_option.ts

@@ -5,7 +5,7 @@ import { DiscordApplicationCommandOptionTypes } from "./application_command_opti
 export interface ApplicationCommandOption {
   /** Value of Application Command Option Type */
   type: DiscordApplicationCommandOptionTypes;
-  /** 1-32 character name matching `^[\w-]{1,32}$` */
+  /** 1-32 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
   /** 1-100 character description */
   description: string;

src/types/interactions/commands/create_global_application_command.ts

@@ -2,7 +2,7 @@ import { ApplicationCommandOption } from "./application_command_option.ts";
 
 /** https://discord.com/developers/docs/interactions/slash-commands#create-global-application-command-json-params */
 export interface CreateGlobalApplicationCommand {
-  /** 1-31 character name matching `^[\w-]{1,32}$` */
+  /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
   /** 1-100 character description */
   description: string;

src/types/interactions/commands/create_guild_application_command.ts

@@ -2,7 +2,7 @@ import { ApplicationCommandOption } from "./application_command_option.ts";
 
 /** https://discord.com/developers/docs/interactions/slash-commands#create-guild-application-command-json-params */
 export interface CreateGuildApplicationCommand {
-  /** 1-31 character name matching `^[\w-]{1,32}$` */
+  /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
   /** 1-100 character description */
   description: string;

src/types/interactions/commands/edit_global_application_command.ts

@@ -2,7 +2,7 @@ import { ApplicationCommandOption } from "./application_command_option.ts";
 
 /** https://discord.com/developers/docs/interactions/slash-commands#edit-global-application-command-json-params */
 export interface EditGlobalApplicationCommand {
-  /** 1-31 character name matching `^[\w-]{1,32}$` */
+  /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name?: string;
   /** 1-100 character description */
   description?: string;

src/types/interactions/commands/edit_guild_application_command.ts

@@ -2,7 +2,7 @@ import { ApplicationCommandOption } from "./application_command_option.ts";
 
 /** https://discord.com/developers/docs/interactions/slash-commands#edit-guild-application-command-json-params */
 export interface EditGuildApplicationCommand {
-  /** 1-31 character name matching `^[\w-]{1,32}$` */
+  /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name?: string;
   /** 1-100 character description */
   description?: string;

src/util/utils.ts

@@ -185,7 +185,9 @@ export function validateSlashCommands(
       `Running for of loop in validateSlashCommands function.`,
     );
     if (
-      (command.name && !SLASH_COMMANDS_NAME_REGEX.test(command.name)) ||
+      (command.name &&
+        (!SLASH_COMMANDS_NAME_REGEX.test(command.name) ||
+          command.name.toLowerCase() !== command.name)) ||
       (create && !command.name)
     ) {
       throw new Error(Errors.INVALID_SLASH_NAME);