feat(helpers,types)!: slash command localization (#2129)

* feat(helpers,types): slash command localization
Discord has documented the slash command localization feature now.
This adds the full functionality for those to Discordeno.

Additionally a `Locales` has also been added to allow for better typing.

Reference: https://github.com/discord/discord-api-docs/pull/4653

* suggestion

* better locales type

* f

* fix serializing

* stupid direct pushes

* b

bot.ts

@@ -69,6 +69,7 @@ import { transformStageInstance } from "./transformers/stageInstance.ts";
 import { StickerPack, transformSticker, transformStickerPack } from "./transformers/sticker.ts";
 import { GetGatewayBot, transformGatewayBot } from "./transformers/gatewayBot.ts";
 import {
+  DiscordApplicationCommandOptionChoice,
   DiscordEmoji,
   DiscordGatewayPayload,
   DiscordInteractionDataOption,
@@ -127,6 +128,10 @@ import { VoiceRegions } from "./transformers/voiceRegion.ts";
 import { GuildWidget } from "./transformers/widget.ts";
 import { StageInstance } from "./transformers/stageInstance.ts";
 import { Sticker } from "./transformers/sticker.ts";
+import {
+  ApplicationCommandOptionChoice,
+  transformApplicationCommandOptionChoice,
+} from "./transformers/applicationCommandOptionChoice.ts";
 import { transformEmbedToDiscordEmbed } from "./transformers/reverse/embed.ts";
 import { transformComponentToDiscordComponent } from "./transformers/reverse/component.ts";
 
@@ -421,6 +426,10 @@ export interface Transformers {
   stageInstance: (bot: Bot, payload: DiscordStageInstance) => StageInstance;
   sticker: (bot: Bot, payload: DiscordSticker) => Sticker;
   stickerPack: (bot: Bot, payload: DiscordStickerPack) => StickerPack;
+  applicationCommandOptionChoice: (
+    bot: Bot,
+    payload: DiscordApplicationCommandOptionChoice,
+  ) => ApplicationCommandOptionChoice;
   template: (bot: Bot, payload: DiscordTemplate) => Template;
 }
 
@@ -467,6 +476,7 @@ export function createTransformers(options: Partial<Transformers>) {
     sticker: options.sticker || transformSticker,
     stickerPack: options.stickerPack || transformStickerPack,
     gatewayBot: options.gatewayBot || transformGatewayBot,
+    applicationCommandOptionChoice: options.applicationCommandOptionChoice || transformApplicationCommandOptionChoice,
     template: options.template || transformTemplate,
   };
 }

helpers/interactions/commands/createApplicationCommand.ts

@@ -1,5 +1,5 @@
 import type { Bot } from "../../../bot.ts";
-import { ApplicationCommandOption, ApplicationCommandTypes } from "../../../mod.ts";
+import { ApplicationCommandOption, ApplicationCommandTypes, Localization } from "../../../mod.ts";
 import { DiscordApplicationCommand, DiscordApplicationCommandOption } from "../../../types/discord.ts";
 
 /**
@@ -24,9 +24,13 @@ export async function createApplicationCommand(
     guildId
       ? bot.constants.endpoints.COMMANDS_GUILD(bot.applicationId, guildId)
       : bot.constants.endpoints.COMMANDS(bot.applicationId),
-    isContextApplicationCommand(options) ? { name: options.name, type: options.type } : {
+    isContextApplicationCommand(options)
+      ? { name: options.name, name_localizations: options.nameLocalizations, type: options.type }
+      : {
         name: options.name,
+        name_localizations: options.nameLocalizations,
         description: options.description,
+        description_localizations: options.descriptionLocalizations,
         type: options.type,
         options: options.options ? makeOptionsForCommand(options.options) : undefined,
       },
@@ -39,9 +43,15 @@ export function makeOptionsForCommand(options: ApplicationCommandOption[]): Disc
   return options.map((option) => ({
     type: option.type,
     name: option.name,
+    name_localizations: option.nameLocalizations,
     description: option.description,
+    description_localizations: option.descriptionLocalizations,
     required: option.required,
-    choices: option.choices,
+    choices: option.choices?.map((choice) => ({
+      name: choice.name,
+      name_localizations: choice.nameLocalizations,
+      value: choice.value,
+    })),
     options: option.options ? makeOptionsForCommand(option.options) : undefined,
     channel_types: option.channelTypes,
     autocomplete: option.autocomplete,
@@ -50,12 +60,16 @@ export function makeOptionsForCommand(options: ApplicationCommandOption[]): Disc
   }));
 }
 
-/** https://discord.com/developers/docs/interactions/slash-commands#create-global-application-command-json-params */
+/** https://discord.com/developers/docs/interactions/application-commands#endpoints-json-params */
 export interface CreateApplicationCommand {
   /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  nameLocalizations?: Localization;
   /** 1-100 character description */
   description: string;
+  /** Localization object for the `description` field. Values follow the same restrictions as `description` */
+  descriptionLocalizations?: Localization;
   /** The type of the command */
   type?: ApplicationCommandTypes;
   /** The parameters for the command */
@@ -64,10 +78,12 @@ export interface CreateApplicationCommand {
   defaultPermission?: boolean;
 }
 
-/** https://discord.com/developers/docs/interactions/slash-commands#create-global-application-command-json-params */
+/** https://discord.com/developers/docs/interactions/application-commands#endpoints-json-params */
 export interface CreateContextApplicationCommand {
   /** 1-31 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  nameLocalizations?: Localization;
   /** The type of the command */
   type: ApplicationCommandTypes.Message | ApplicationCommandTypes.User;
 }

helpers/interactions/commands/getApplicationCommand.ts

@@ -2,14 +2,30 @@ import type { Bot } from "../../../bot.ts";
 import { DiscordApplicationCommand } from "../../../types/discord.ts";
 
 /** Fetches the global command for the given Id. If a guildId is provided, the guild command will be fetched. */
-export async function getApplicationCommand(bot: Bot, commandId: bigint, guildId?: bigint) {
+export async function getApplicationCommand(bot: Bot, commandId: bigint, options?: GetApplicationCommand) {
+  let url = `${
+    options?.guildId
+      ? bot.constants.endpoints.COMMANDS_GUILD_ID(bot.applicationId, options.guildId, commandId)
+      : bot.constants.endpoints.COMMANDS_ID(bot.applicationId, commandId)
+  }?`;
+
+  if (options?.withLocalizations !== undefined) {
+    url += `with_localizations=${options.withLocalizations}`;
+  }
+
   const result = await bot.rest.runMethod<DiscordApplicationCommand>(
     bot.rest,
     "get",
-    guildId
+    url,
-      ? bot.constants.endpoints.COMMANDS_GUILD_ID(bot.applicationId, guildId, commandId)
-      : bot.constants.endpoints.COMMANDS_ID(bot.applicationId, commandId),
   );
 
   return bot.transformers.applicationCommand(bot, result);
 }
+
+/** https://discord.com/developers/docs/interactions/application-commands#endpoints-query-string-params */
+export interface GetApplicationCommand {
+  /** Guild ID of the guild in which the command is available if it is a guild-specific command */
+  guildId?: bigint;
+  /** Whether to include full localization object (`name_localizations` and `description_localizations`) in the returned objects, instead of the `name_localized` and `description_localized` fields. Default false */
+  withLocalizations?: boolean;
+}

transformers/applicationCommand.ts

@@ -8,7 +8,9 @@ export function transformApplicationCommand(bot: Bot, payload: DiscordApplicatio
     applicationId: bot.transformers.snowflake(payload.application_id),
     guildId: payload.guild_id ? bot.transformers.snowflake(payload.guild_id) : undefined,
     name: payload.name,
+    nameLocalizations: payload.name_localizations,
     description: payload.description,
+    descriptionLocalizations: payload.description_localizations,
     defaultPermission: payload.default_permission ?? false,
     type: payload.type,
     version: payload.version,

transformers/applicationCommandOption.ts

@@ -1,7 +1,8 @@
 import { Bot } from "../bot.ts";
 import { DiscordApplicationCommandOption, DiscordApplicationCommandOptionChoice } from "../types/discord.ts";
-import { ApplicationCommandOptionTypes, ChannelTypes } from "../types/shared.ts";
+import { ApplicationCommandOptionTypes, ChannelTypes, Localization } from "../types/shared.ts";
 import { Optionalize } from "../types/shared.ts";
+import { ApplicationCommandOptionChoice } from "./applicationCommandOptionChoice.ts";
 
 export function transformApplicationCommandOption(
   bot: Bot,
@@ -10,9 +11,11 @@ export function transformApplicationCommandOption(
   return {
     type: payload.type,
     name: payload.name,
+    nameLocalizations: payload.name_localizations,
     description: payload.description,
+    descriptionLocalizations: payload.description_localizations,
     required: payload.required ?? false,
-    choices: payload.choices,
+    choices: payload.choices?.map((choice) => bot.transformers.applicationCommandOptionChoice(bot, choice)),
     autocomplete: payload.autocomplete,
     channelTypes: payload.channel_types,
     minValue: payload.min_value,
@@ -29,12 +32,16 @@ export interface ApplicationCommandOption {
   type: ApplicationCommandOptionTypes;
   /** 1-32 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  nameLocalizations?: Localization;
   /** 1-100 character description */
   description: string;
+  /** Localization object for the `description` field. Values follow the same restrictions as `description` */
+  descriptionLocalizations?: Localization;
   /** If the parameter is required or optional--default `false` */
   required: boolean;
   /** Choices for `string` and `int` types for the user to pick from */
-  choices?: DiscordApplicationCommandOptionChoice[];
+  choices?: ApplicationCommandOptionChoice[];
   /** If the option is a subcommand or subcommand group type, this nested options will be the parameters */
   options?: ApplicationCommandOption[];
   /** if autocomplete interactions are enabled for this `String`, `Integer`, or `Number` type option */

transformers/applicationCommandOptionChoice.ts

@@ -0,0 +1,15 @@
+import { Bot } from "../bot.ts";
+import { DiscordApplicationCommandOptionChoice } from "../types/discord.ts";
+import { Camelize, Localization, Optionalize } from "../types/shared.ts";
+
+export function transformApplicationCommandOptionChoice(bot: Bot, payload: DiscordApplicationCommandOptionChoice) {
+  const applicationCommandChoice = {
+    name: payload.name,
+    nameLocalizations: payload.name_localizations,
+    value: payload.value,
+  };
+
+  return applicationCommandChoice as Optionalize<typeof applicationCommandChoice>;
+}
+
+export interface ApplicationCommandOptionChoice extends ReturnType<typeof transformApplicationCommandOptionChoice> {}

types/discord.ts

@@ -16,6 +16,8 @@ import {
   GuildNsfwLevel,
   IntegrationExpireBehaviors,
   InteractionTypes,
+  Locales,
+  Localization,
   MessageActivityTypes,
   MessageComponentTypes,
   MessageTypes,
@@ -1633,7 +1635,7 @@ export interface DiscordInviteStageInstance {
   topic: string;
 }
 
-/** https://discord.com/developers/docs/interactions/slash-commands#applicationcommand */
+/** https://discord.com/developers/docs/interactions/application-commands#application-command-object-application-command-structure */
 export interface DiscordApplicationCommand {
   /** Unique id of the command */
   id: string;
@@ -1643,8 +1645,12 @@ export interface DiscordApplicationCommand {
   guild_id?: string;
   /** 1-32 character name matching */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  name_localizations?: Localization;
   /** 1-100 character description */
-  description?: string;
+  description: string;
+  /** Localization object for the `description` field. Values follow the same restrictions as `description` */
+  description_localizations?: Localization;
   /** The parameters for the command */
   options?: DiscordApplicationCommandOption[];
   /** Whether the command is enbaled by default when the app is added to a guild */
@@ -1655,14 +1661,18 @@ export interface DiscordApplicationCommand {
   version: string;
 }
 
-/** https://discord.com/developers/docs/interactions/slash-commands#applicationcommandoption */
+/** https://discord.com/developers/docs/interactions/application-commands#application-command-object-application-command-option-structure */
 export interface DiscordApplicationCommandOption {
   /** Value of Application Command Option Type */
   type: ApplicationCommandOptionTypes;
   /** 1-32 character name matching lowercase `^[\w-]{1,32}$` */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  name_localizations?: Localization;
   /** 1-100 character description */
   description: string;
+  /** Localization object for the `description` field. Values follow the same restrictions as `description` */
+  description_localizations?: Localization;
   /** If the parameter is required or optional--default `false` */
   required?: boolean;
   /** Choices for `string` and `int` types for the user to pick from */
@@ -1679,10 +1689,12 @@ export interface DiscordApplicationCommandOption {
   max_value?: number;
 }
 
-/** https://discord.com/developers/docs/interactions/slash-commands#applicationcommandoptionchoice */
+/** https://discord.com/developers/docs/interactions/application-commands#application-command-object-application-command-option-choice-structure */
 export interface DiscordApplicationCommandOptionChoice {
   /** 1-100 character choice name */
   name: string;
+  /** Localization object for the `name` field. Values follow the same restrictions as `name` */
+  name_localizations?: Localization;
   /** Value of the choice, up to 100 characters if string */
   value: string | number;
 }

types/shared.ts

@@ -1240,6 +1240,41 @@ export enum Errors {
   YOU_CAN_NOT_DM_THE_BOT_ITSELF = "YOU_CAN_NOT_DM_THE_BOT_ITSELF",
 }
 
+export enum Locales {
+  Danish = "da",
+  German = "de",
+  EnglishUk = "en-GB",
+  EnglishUs = "en-US",
+  Spanish = "es-ES",
+  French = "fr",
+  Croatian = "hr",
+  Italian = "it",
+  Lithuanian = "lt",
+  Hungarian = "hu",
+  Dutch = "nl",
+  Norwegian = "no",
+  Polish = "pl",
+  PortugueseBrazilian = "pt-BR",
+  RomanianRomania = "ro",
+  Finnish = "fi",
+  Swedish = "sv-SE",
+  Vietnamese = "vi",
+  Turkish = "tr",
+  Czech = "cs",
+  Greek = "el",
+  Bulgarian = "bg",
+  Russian = "ru",
+  Ukrainian = "uk",
+  Hindi = "hi",
+  Thai = "th",
+  ChineseChina = "zh-CN",
+  Japanese = "ja",
+  ChineseTaiwan = "zh-TW",
+  Korean = "ko",
+}
+
+export type Localization = Partial<Record<Locales, string>>;
+
 // UTILS
 
 export type AtLeastOne<T, U = { [K in keyof T]: Pick<T, K> }> = Partial<T> & U[keyof U];