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index.js
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index.js
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const http = require("http"),
electron = require("electron"),
Tmi = require("tmi.js"),
TwitchApi = require("twitch-api"),
Chat = require("../../../js/base/chat"),
rangeRegex = /^([0-9]+)-([0-9]+)$/,
defaultColors = ["Blue", "Coral", "DodgerBlue", "SpringGreen", "YellowGreen", "Green", "OrangeRed", "Red", "GoldenRod", "HotPink", "CadetBlue", "SeaGreen", "Chocolate", "BlueViolet", "Firebrick"];
require("../../../js/extensions");
// ### # # # ## # # #### # # ###
// # # # # # # # # #
// # # # ## ### ## ### # # ### ## ### ## ### ### # # ## ### ## ## ## ### # # # ### ### ## ###
// # # # # # # # # #### # # # # # # ## # # #### # # # # # # # # # # #### # # # # # ## ##
// # #### # # # # # # # # # # ## ## ## # # # # # # # # # # # # # # # # # ## ## ## ##
// # #### ### ## ## # # # # ### ### ## # ## ## #### # # ## ## ### ## ## # # ### # # # # # ## ###
// # ### ###
TwitchApi.prototype.getEmoticonImages = function(callback) {
this._executeRequest(
{
method: 'GET',
path: '/chat/emoticon_images',
},
callback
);
}
// ##### # # #
// # # #
// # # # ## #### ### # ##
// # # # # # # # ## #
// # # # # # # # # #
// # # # # # # # # # # #
// # # # ### ## ### # #
/**
* A class to connect to Twitch chat.
*/
class Twitch extends Chat {
// # #
// # #
// ## ## ### ### ### ### # # ## ### ## ###
// # # # # # ## # # # # # # # # # # #
// # # # # # ## # # # # # # # # #
// ## ## # # ### ## # ### ## ## ## #
/**
* Creates an instance of Twitch chat.
* @param {object} settings The settings used to connect to Twitch.
*/
constructor (settings) {
super();
this.settings = settings;
this.api = new TwitchApi(settings.twitch);
}
// # #
// # #
// ## ## ### ### ## ## ### ## ###
// # # # # # # # # ## # # # ## # #
// # # # # # # # ## # # ## # #
// ## ## # # # # ## ## ## ## ###
/**
* Determines whether you are connected to Twitch.
* @return {bool} Whether you are connected.
*/
get connected() {
return this.tmi.readyState() === "OPEN";
}
// #
// #
// ## ## ### ### ## ## ###
// # # # # # # # # ## # #
// # # # # # # # ## # #
// ## ## # # # # ## ## ##
/**
* Connects to Twitch chat.
*/
connect() {
var twitch = this;
return new Promise((resolve, reject) => {
var settings;
if (twitch.tmi) {
// TODO: Refine this.
reject("You are already connected.");
return;
}
if (!twitch.authorized) {
reject("You must authorize your Twitch account before connecting.");
return;
}
settings = twitch.settings.tmi;
settings.identity = {
username: twitch.username,
password: `oauth:${twitch.accessToken}`
};
twitch.tmi = new Tmi.client(settings);
// TODO: See what events we want to forward. https://docs.tmijs.org/v1.1.2/Events.html#join
twitch.tmi.on("connected", (address, port) => {
twitch.emit("connected", address, port);
//twitch.api.getEmoticonImages((err, emotes) => console.log(err, emotes));
});
twitch.tmi.on("disconnected", (message) => {
twitch.emit("disconnected", message);
console.log("DISCONNECTED", message);
// TODO: Something when chat disconnects.
// tmi.disconnect().then(function() {
// tmiConnect();
// }).catch(function() {
// tmiConnect();
// });
});
twitch.tmi.on("message", (channel, userstate, text, self) => {
var span = $("<span></span>");
if (userstate.emotes) {
let emotes = {},
lastEnd = 0;
Object.keys(userstate.emotes).forEach((id) => {
var ranges = userstate.emotes[id];
ranges.forEach((range) => {
var matches = rangeRegex.exec(range);
emotes[+matches[1]] = {start: +matches[1], end: +matches[2], id: id};
});
});
Object.keys(emotes).sort((a, b) => a.start - b.start).forEach((start) => {
var emote = emotes[start];
if (start > lastEnd) {
span.append($("<span></span>").text(text.substring(lastEnd, start)).html());
}
span.append($("<img></img>").attr({
src: `https://static-cdn.jtvnw.net/emoticons/v1/${emote.id}/1.0`,
title: text.substring(start, emote.end + 1)
}));
lastEnd = emote.end + 1;
});
if (lastEnd < text.length) {
span.append($("<span></span>").text(text.substring(lastEnd)).html());
}
} else {
span.text(text);
}
if (!userstate.color) {
userstate.color = defaultColors[(userstate.username.charCodeAt(0) + userstate.username.charCodeAt(userstate.username.length - 1)) % defaultColors.length];
}
twitch.emit("message", channel, userstate.username, userstate.color, userstate["display-name"], span.html(), text);
});
twitch.tmi.on("join", (channel, username, self) => {
twitch.emit("join", channel, username, self);
});
twitch.tmi.on("part", (channel, username, self) => {
twitch.emit("part", channel, username, self);
});
twitch.tmi.on("mod", (channel, username) => {
twitch.emit("mod", channel, username);
});
twitch.tmi.on("unmod", (channel, username) => {
twitch.emit("unmod", channel, username);
});
twitch.tmi.connect().then(() => {
twitch.tmi.raw("CAP REQ :twitch.tv/membership twitch.tv/commands twitch.tv/tags");
resolve();
}).catch((err) => {
// TODO: Handle the error more gracefully.
reject(err);
});
});
}
// # # # #
// # # #
// ### # # ### ### ## ### ## #### ## ###
// # # # # # # # # # # # # # # ## # #
// # ## # # # # # # # # # # ## # #
// # # ### ## # # ## # ### #### ## ###
/**
* Determines whether you are authorized to connect to Twitch chat.
* @return {bool} Whether you are authorized.
*/
get authorized() {
return !!(this.accessToken);
}
// # # #
// # #
// ### # # ### ### ## ### ## #### ##
// # # # # # # # # # # # # # # ##
// # ## # # # # # # # # # # ##
// # # ### ## # # ## # ### #### ##
/**
* Authorizes you to use Twitch chat.
* @param {string} username The username to authorize with.
* @param {string} accessToken The access token to authorize with.
*/
authorize(username, accessToken) {
var twitch = this;
return new Promise((resolve, reject) => {
var api = twitch.api;
new Promise((innerResolve, innerReject) => {
if (username && accessToken) {
api.getAuthenticatedUser(accessToken, (err, body) => {
if (err) {
innerReject();
// TODO: Handle the error more gracefully.
}
twitch.accessToken = accessToken;
twitch.username = body.name;
twitch.displayName = body.display_name;
twitch.emit("credentials", twitch.username, twitch.accessToken);
innerResolve();
});
} else {
innerReject();
}
}).then(resolve).catch(() => {
var win = new electron.remote.BrowserWindow({width: 800, height: 600, parent: electron.remote.BrowserWindow.getAllWindows().find((w) => w.getTitle() === "Hyperdrive Toolkit"), modal: true, title: "Hyperdrive Toolkit - Waiting for Twitch OAuth"});
win.loadURL(`file://${__dirname}/twitch.htm`);
win.setMenu(null);
win.once("ready-to-show", () => {
win.show();
});
win.on("access-token", (accessToken) => {
twitch.accessToken = accessToken;
api.getAuthenticatedUser(twitch.accessToken, (err, body) => {
if (err) {
// TODO: Handle the error more gracefully.
}
twitch.username = body.name;
twitch.displayName = body.display_name;
twitch.emit("credentials", twitch.username, twitch.accessToken);
});
});
win.on("closed", () => {
win = null;
if (twitch.accessToken) {
resolve();
} else {
reject();
}
});
electron.shell.openExternal(api.getAuthorizationUrl().replace("response_type=code", "response_type=token") + "&force_verify=true");
});
});
}
// # #
// # ## ## ###
// # # # # # #
// # # # # # #
// # # ## ### # #
// #
/**
* Joins you to a channel.
* @param {string} channel The channel to join.
* @return {Promise} A promise that resolves when joining is successful.
*/
join(channel) {
return this.tmi.join(channel);
}
// #
// #
// ### ### ### ###
// # # # # # # #
// # # # ## # #
// ### # # # ##
// #
/**
* Parts you from a channel.
* @param {string} channel The channel to part.
* @return {Promise} A promise that resolves when parting is successful.
*/
part(channel) {
return this.tmi.part(channel);
}
// #
// #
// ### ## ### ###
// ## # ## # # # #
// ## ## # # # #
// ### ## # # ###
/**
* Sends a command to a channel.
* @param {string} channel The channel to send the command to.
* @param {string} command The command to send.
* @return {Promise} A promise that resolves when sending is successful.
*/
send(channel, command) {
return this.tmi.say(channel, command);
}
// # ## #
// # # # #
// ### ## ### # ### ### ## ### # #
// # # # ## # # # # # # ## # # ####
// ## ## # # # # # ## # ## # #
// # ## ## ## ## # ## # # # #
// ###
/**
* Gets data for a stream.
* @param {string} channel The channel to get stream data for.
* @return {Promise} A promise that resolves when the stream data is sent.
*/
getStream(channel) {
var api = this.api;
return new Promise((resolve, reject) => {
api.getChannelStream(channel, (err, stream) => {
if (err) {
reject(err);
return;
}
resolve(stream.stream);
});
});
}
// # ## # ##
// # # # # #
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// ###
/**
* Gets data for a channel.
* @param {string} channel The channel to get data for.
* @return {Promise} A promise that resolves when the channel data is sent.
*/
getChannel(channel) {
var api = this.api;
return new Promise((resolve, reject) => {
api.getChannel(channel, (err, channelData) => {
if (err) {
reject(err);
return;
}
resolve(channelData);
});
});
}
// # ## # # #
// # # # # # #
// ### ## ### # ### ### ### ### ## ### ###
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// ## ## # # # # # # ## # # ## # ##
// # ## ## ## # # # # ## ## ## # ###
// ###
/**
* Gets the list of chatters for a channel.
* @param {string} channel The chatter to get the list of chatters for.
* @return {Promise} A promise that resolves when the chatters are sent.
*/
getChatters(channel) {
return new Promise((resolve, reject) => {
http.get("http://tmi.twitch.tv/group/user/" + channel + "/chatters", (res) => {
var body = "";
res.on("data", (chunk) => {
body += chunk;
});
res.on("end", () => {
JSON.tryParse(body).then(resolve).catch(reject);
});
// TODO: Handle errors on res
});
});
}
}
module.exports = Twitch;