hmchat

Next-gen hackmud chat library.

Usage example

import HMChat from "@pub-hackmud/hmchat";
// or with require:
// const HMChat = require("@pub-hackmud/hmchat").default;

const hm = new HMChat();

hm.on("started", () => {
    hm.send({
        from: hm.users[0],
        to: hm.users[1],
        msg: "Hello world!",
    })
});

hm.on("chats", chats => {
    for (const chat of chats) {
        console.log(chat.msg);
    }
});

hm.login("YOUR_CHAT_TOKEN_OR_CHAT_PASS");

Reference

new HMChat(options)

Creates a HMChat instance.

Arguments

• options: Behaviour options
  • pollFrequency: Time to wait between polls in milliseconds. (default: 2s, min: 700ms)
  • accountFrequency: Time to wait between accountData polls in milliseconds (default: 10m, min: 5m)

Properties

• config: Behaviour options. Do not edit.
• token: Current Chat API token
• accountData: Cached AccountData. (empty on init: wait for accountData event)
• chats: Map of all received Chats
• status: Current status of the HMChat instance
  • "unauthed": HMChat.login is yet to be (successfully) called
  • "running": The loop is currently running
  • "stopped": The loop was stopped using HMChat.stop
  • "errored": The loop was stopped due to an error
• users: Array of usernames associated with the current account
• channels: Map of channels. Key is channel name, value is a Set of joined users

async login(token, start)

Logs in using a chat pass or a chat token.

Arguments:

• token: Chat pass or chat token
• start: Whether this call should start the loop (default: true)

on(event, handler)

Adds an event handler.

Events:

• started: Emits when loop is started. (args: none)
• stopped: Emits when loop is stopped. (args: none)
• error: Emits if an error occurs. (args: the error)
• chats: Emits when new chats are received. (args: array of Chat)
• accountData: Emits when new accountData is received. (args: AccountData)

removeEventHandler(event, handler)

Removes a previously added event handler.

start()

Starts the loop. You can use this to restart polling after it was stopped or an error occurred.

stop()

Stops the loop. You can use this to pause or end polling.

async send(chat)

Sends a chat message.

Arguments:

• chat: Chat message to send
  • from: User to send message from (string)
  • msg: Message content (string)
  • to: User to send message to (string, present if tell)
  • channel: Channel to send message to (string, present if send)

preaddUsers(...users)

Adds users to poll messages from without fetching accountData. Useful if you've just created a new user and you don't want to wait for your accountData rate-limit to expire.

Chat

A chat message.

Properties:

• id: Internal ObjectID of the message (string)
• t: Timestamp when the message was sent (Date)
• from_user: Message sender (string)
• to_users: Polled users who received the message (string[])
• msg: Message content (string)
• is_join: Is this a join message? (true or undefined)
• is_leave: Is this a leave message? (true or undefined)
• channel: Channel of the message. (string or undefined if it's a tell.)

AccountData

Account data provided by the API.

type Username = string
type Channel = string

type UsersInChannel = Set<Username>
type ChannelsOfUser = Map<Channel, UsersInChannel>

type AccountData = Map<Username, ChannelsOfUser>