feat(SlashCommands): add attachment option

__tests__/interactions/SlashCommands/SlashCommands.test.ts

@@ -8,6 +8,7 @@ import {
 	SlashCommandMentionableOption,
 	SlashCommandNumberOption,
 	SlashCommandRoleOption,
+	SlashCommandAttachmentOption,
 	SlashCommandStringOption,
 	SlashCommandSubcommandBuilder,
 	SlashCommandSubcommandGroupBuilder,
@@ -25,6 +26,7 @@ const getBooleanOption = () => new SlashCommandBooleanOption().setName('owo').se
 const getUserOption = () => new SlashCommandUserOption().setName('owo').setDescription('Testing 123');
 const getChannelOption = () => new SlashCommandChannelOption().setName('owo').setDescription('Testing 123');
 const getRoleOption = () => new SlashCommandRoleOption().setName('owo').setDescription('Testing 123');
+const getAttachmentOption = () => new SlashCommandAttachmentOption().setName('owo').setDescription('Testing 123');
 const getMentionableOption = () => new SlashCommandMentionableOption().setName('owo').setDescription('Testing 123');
 const getSubcommandGroup = () => new SlashCommandSubcommandGroupBuilder().setName('owo').setDescription('Testing 123');
 const getSubcommand = () => new SlashCommandSubcommandBuilder().setName('owo').setDescription('Testing 123');
@@ -286,6 +288,8 @@ describe('Slash Commands', () => {
 
 				expect(() => getBuilder().addRoleOption(getRoleOption())).not.toThrowError();
 
+				expect(() => getBuilder().addAttachmentOption(getAttachmentOption())).not.toThrowError();
+
 				expect(() => getBuilder().addMentionableOption(getMentionableOption())).not.toThrowError();
 			});
 

src/index.ts

@@ -11,6 +11,7 @@ export * from './interactions/slashCommands/options/integer';
 export * from './interactions/slashCommands/options/mentionable';
 export * from './interactions/slashCommands/options/number';
 export * from './interactions/slashCommands/options/role';
+export * from './interactions/slashCommands/options/attachment';
 export * from './interactions/slashCommands/options/string';
 export * from './interactions/slashCommands/options/user';
 

src/interactions/slashCommands/mixins/SharedSlashCommandOptions.ts

@@ -6,6 +6,7 @@ import { SlashCommandIntegerOption } from '../options/integer';
 import { SlashCommandMentionableOption } from '../options/mentionable';
 import { SlashCommandNumberOption } from '../options/number';
 import { SlashCommandRoleOption } from '../options/role';
+import { SlashCommandAttachmentOption } from '../options/attachment';
 import { SlashCommandStringOption } from '../options/string';
 import { SlashCommandUserOption } from '../options/user';
 import type { ToAPIApplicationCommandOptions } from '../SlashCommandBuilder';
@@ -53,6 +54,17 @@ export class SharedSlashCommandOptions<ShouldOmitSubcommandFunctions = true> {
 		return this._sharedAddOptionMethod(input, SlashCommandRoleOption);
 	}
 
+	/**
+	 * Adds an attachment option
+	 *
+	 * @param input A function that returns an option builder, or an already built builder
+	 */
+	public addAttachmentOption(
+		input: SlashCommandAttachmentOption | ((builder: SlashCommandAttachmentOption) => SlashCommandAttachmentOption),
+	) {
+		return this._sharedAddOptionMethod(input, SlashCommandAttachmentOption);
+	}
+
 	/**
 	 * Adds a mentionable option
 	 *

src/interactions/slashCommands/options/attachment.ts

@@ -0,0 +1,10 @@
+import { ApplicationCommandOptionType } from 'discord-api-types/v9';
+import { SlashCommandOptionBase } from '../mixins/CommandOptionBase';
+
+export class SlashCommandAttachmentOption extends SlashCommandOptionBase {
+	public override readonly type = ApplicationCommandOptionType.Attachment as const;
+
+	public constructor() {
+		super(ApplicationCommandOptionType.Attachment);
+	}
+}