zeppelin/src/customArgumentTypes.ts

import {
  convertDelayStringToMS,
  deactivateMentions,
  disableCodeBlocks,
  resolveMember,
  resolveUser,
  UnknownUser,
} from "./utils";
import { CommandArgumentTypeError } from "knub";
import { Client, GuildChannel, Message } from "eris";

export const customArgumentTypes = {
  delay(value) {
    const result = convertDelayStringToMS(value);
    if (result == null) {
      throw new CommandArgumentTypeError(`Could not convert ${value} to a delay`);
    }

    return result;
  },

  async resolvedUser(value, msg, bot: Client) {
    const result = await resolveUser(bot, value);
    if (result == null || result instanceof UnknownUser) {
      throw new CommandArgumentTypeError(`User \`${disableCodeBlocks(value)}\` was not found`);
    }
    return result;
  },

  async resolvedUserLoose(value, msg, bot: Client) {
    const result = await resolveUser(bot, value);
    if (result == null) {
      throw new CommandArgumentTypeError(`Invalid user: \`${disableCodeBlocks(value)}\``);
    }
    return result;
  },

  async resolvedMember(value, msg: Message, bot: Client) {
    if (!(msg.channel instanceof GuildChannel)) return null;

    const result = await resolveMember(bot, msg.channel.guild, value);
    if (result == null) {
      throw new CommandArgumentTypeError(
        `Member \`${disableCodeBlocks(value)}\` was not found or they have left the server`,
      );
    }
    return result;
  },
};