client: remove updateEmoteset timers and options

lib/client.js

@@ -1,6 +1,5 @@
 const _global = typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : {};
 const _WebSocket = _global.WebSocket || require('ws');
-const _fetch = _global.fetch || require('node-fetch');
 const commands = require('./commands');
 const EventEmitter = require('./events').EventEmitter;
 const logger = require('./logger');
@@ -20,9 +19,6 @@ const client = function client(opts) {
 	this.clientId = _.get(this.opts.options.clientId, null);
 	this._globalDefaultChannel = _.channel(_.get(this.opts.options.globalDefaultChannel, '#tmijs'));
 	this._skipMembership = _.get(this.opts.options.skipMembership, false);
-	this._skipUpdatingEmotesets = _.get(this.opts.options.skipUpdatingEmotesets, false);
-	this._updateEmotesetsTimer = null;
-	this._updateEmotesetsTimerDelay = _.get(this.opts.options.updateEmotesetsTimer, 60000);
 
 	this.maxReconnectAttempts = _.get(this.opts.connection.maxReconnectAttempts, Infinity);
 	this.maxReconnectInterval = _.get(this.opts.connection.maxReconnectInterval, 30000);
@@ -184,7 +180,6 @@ client.prototype.handleMessage = function handleMessage(message) {
 
 							clearInterval(this.pingLoop);
 							clearTimeout(this.pingTimeout);
-							clearTimeout(this._updateEmotesetsTimer);
 						}
 					}, _.get(this.opts.connection.timeout, 9999));
 				}, 60000);
@@ -811,7 +806,7 @@ client.prototype.handleMessage = function handleMessage(message) {
 
 				// Emote-sets has changed, update it..
 				if(message.tags['emote-sets'] !== this.emotes) {
-					this._updateEmoteset(message.tags['emote-sets']);
+					this.emit('emotesets', message.tags['emote-sets'], {});
 				}
 
 				this.userstate[channel] = tags;
@@ -824,7 +819,7 @@ client.prototype.handleMessage = function handleMessage(message) {
 
 				// Received emote-sets..
 				if(typeof message.tags['emote-sets'] !== 'undefined') {
-					this._updateEmoteset(message.tags['emote-sets']);
+					this.emit('emotesets', message.tags['emote-sets'], {});
 				}
 				break;
 
@@ -1155,7 +1150,6 @@ client.prototype._onError = function _onError() {
 	// Stop the internal ping timeout check interval..
 	clearInterval(this.pingLoop);
 	clearTimeout(this.pingTimeout);
-	clearTimeout(this._updateEmotesetsTimer);
 
 	this.reason = this.ws === null ? 'Connection closed.' : 'Unable to connect.';
 
@@ -1188,7 +1182,6 @@ client.prototype._onClose = function _onClose() {
 	// Stop the internal ping timeout check interval..
 	clearInterval(this.pingLoop);
 	clearTimeout(this.pingTimeout);
-	clearTimeout(this._updateEmotesetsTimer);
 
 	// User called .disconnect(), don't try to reconnect.
 	if(this.wasCloseCalled) {
@@ -1331,55 +1324,6 @@ client.prototype._sendMessage = function _sendMessage(delay, channel, message, f
 		}
 	});
 };
-// Grab the emote-sets object from the API..
-client.prototype._updateEmoteset = function _updateEmoteset(sets) {
-	let setsChanges = sets !== undefined;
-	if(setsChanges) {
-		if(sets === this.emotes) {
-			setsChanges = false;
-		}
-		else {
-			this.emotes = sets;
-		}
-	}
-	if(this._skipUpdatingEmotesets) {
-		if(setsChanges) {
-			this.emit('emotesets', sets, {});
-		}
-		return;
-	}
-	const setEmotesetTimer = () => {
-		if(this._updateEmotesetsTimerDelay > 0) {
-			clearTimeout(this._updateEmotesetsTimer);
-			this._updateEmotesetsTimer = setTimeout(() => this._updateEmoteset(sets), this._updateEmotesetsTimerDelay);
-		}
-	};
-	this._getToken()
-	.then(token => {
-		const url = `https://api.twitch.tv/kraken/chat/emoticon_images?emotesets=${sets}`;
-		/** @type {import('node-fetch').RequestInit} */
-		const fetchOptions = {};
-		if('fetchAgent' in this.opts.connection) {
-			fetchOptions.agent = this.opts.connection.fetchAgent;
-		}
-		/** @type {import('node-fetch').Response} */
-		return _fetch(url, {
-			...fetchOptions,
-			headers: {
-				'Accept': 'application/vnd.twitchtv.v5+json',
-				'Authorization': `OAuth ${_.token(token)}`,
-				'Client-ID': this.clientId
-			}
-		});
-	})
-	.then(res => res.json())
-	.then(data => {
-		this.emotesets = data.emoticon_sets || {};
-		this.emit('emotesets', sets, this.emotesets);
-		setEmotesetTimer();
-	})
-	.catch(() => setEmotesetTimer());
-};
 // Get current username..
 client.prototype.getUsername = function getUsername() {
 	return this.username;