discordeno/helpers/interactions/commands/upsertApplicationCommands.ts

import type { Bot } from "../../../bot.ts";
import { Collection } from "../../../util/collection.ts";
import {
  CreateApplicationCommand,
  CreateContextApplicationCommand,
  isContextApplicationCommand,
  makeOptionsForCommand,
} from "./createApplicationCommand.ts";
import { DiscordApplicationCommand } from "../../../types/discord.ts";
import { MakeRequired } from "../../../types/shared.ts";

/**
 * Bulk edit existing application commands. If a command does not exist, it will create it.
 *
 * **NOTE:** Any application commands that are not specified in this function will be **deleted**. If you don't provide the commandId and rename your command, the command gets a new Id.
 */
export async function upsertApplicationCommands(
  bot: Bot,
  options: (CreateApplicationCommand | CreateContextApplicationCommand)[],
  guildId?: bigint,
) {
  const result = await bot.rest.runMethod<DiscordApplicationCommand[]>(
    bot.rest,
    "put",
    guildId
      ? bot.constants.endpoints.COMMANDS_GUILD(bot.applicationId, guildId)
      : bot.constants.endpoints.COMMANDS(bot.applicationId),
    options.map((option) => (isContextApplicationCommand(option)
      ? {
        name: option.name,
        type: option.type,
      }
      : {
        name: option.name,
        description: option.description,
        type: option.type,
        options: option.options ? makeOptionsForCommand(option.options) : undefined,
        default_permission: option.defaultPermission,
      })
    ),
  );

  return new Collection(
    result.map((res) => {
      const command = bot.transformers.applicationCommand(bot, res);
      return [command.id, command];
    }),
  );
}