awesome-plugins/TypeScript/nsfwOnly.ts

/**
 * @author: @NeoYaBoi
 * @version: 1.0.0
 * @description: This plugin checks if the channel is nsfw and responds to user with a specified response if not nsfw
 * @license: Null
 * @example:
 * ```ts
 * import { nsfwOnly } from "../plugins/nsfwOnly"; //(change if need be)
 * import { sernModule, CommandType } from "@sern/handler";
 * export default commandModule({
 *    plugins: [ nsfwOnly('response', true/false) ],
 *    execute: (ctx) => {
 *       //your code here
 *    }
 * })
 * ```
 */
import {
  ChannelType,
  GuildTextBasedChannel,
  TextBasedChannel,
  TextChannel,
} from "discord.js";
import { CommandType, EventPlugin, Nullish, PluginType } from "@sern/handler";
function isGuildText(
  channel: Nullish<TextBasedChannel>
): channel is GuildTextBasedChannel {
  return (
    channel?.type == ChannelType.GuildPublicThread ||
    channel?.type == ChannelType.GuildPrivateThread
  );
}
export function nsfwOnly(
  onFail: string,
  ephemeral: boolean
): EventPlugin<CommandType.Both> {
  return {
    type: PluginType.Event,
    description: "Checks if the channel is nsfw or not.",
    async execute(event, controller) {
      const [ctx] = event;
      //checking if command was executed in dms
      if (ctx.guild === null) {
        await ctx.reply({ content: onFail, ephemeral });
        return controller.stop();
      }
      //channel is thread (not supported by nsfw)
      if (isGuildText(ctx.channel) == true) {
        await ctx.reply({ content: onFail, ephemeral });
        return controller.stop();
      }
      if (!(ctx.channel! as TextChannel).nsfw) {
        //channel is not nsfw
        await ctx.reply({ content: onFail, ephemeral });
        return controller.stop();
      }
      //continues to command if nsfw
      return controller.next();
    },
  };
}