tidying up

extension.js

@@ -36,22 +36,24 @@ module.exports = function(extensionApi) {
 		nodecg.sendMessage('update', channel, data);
 	}
 
-	function addChannels() {
-		nodecg.bundleConfig.channels.forEach(channelName => {
-			if (channelCache[channelName] !== undefined) {
-				return;
-			}
+	function addChannel(channelName) {
+		if (channelCache[channelName] !== undefined) {
+			return;
+		}
 
-			const channel = new Channel(channelName, nodecg, live);
-			channel.on(FOLLOW, onEvent.bind(this, channelName, FOLLOW));
-			channel.on(
-				SUBSCRIPTION,
-				onEvent.bind(this, channelName, SUBSCRIPTION)
-			);
-			channel.on('update', onUpdate.bind(this, channelName, 'update'));
-			channel.on(HOST, onEvent.bind(this, channelName, HOST));
-			channelCache[channelName] = channel;
-		});
+		const channel = new Channel(channelName, nodecg, live);
+		channel.on(FOLLOW, onEvent.bind(this, channelName, FOLLOW));
+		channel.on(
+			SUBSCRIPTION,
+			onEvent.bind(this, channelName, SUBSCRIPTION)
+		);
+		channel.on('update', onUpdate.bind(this, channelName, 'update'));
+		channel.on(HOST, onEvent.bind(this, channelName, HOST));
+		channelCache[channelName] = channel;
+	}
+
+	function addChannels() {
+		nodecg.bundleConfig.channels.forEach(channelName => addChannel(channelName));
 	}
 
 	function eachChannel(func) {

lib/Channel.js

@@ -1,6 +1,7 @@
 const EventEmitter = require('events');
 const Store = require('./store');
 const _ = require('lodash');
+const { FOLLOW, HOST, SUBSCRIPTION } = require('./util');
 
 class Channel extends EventEmitter {
 	constructor(channelName, nodecg, live) {
@@ -78,14 +79,14 @@ class Channel extends EventEmitter {
 	}
 
 	handleHost(host) {
-		this.emit('host', host, Date.now());
+		this.emit(HOST, host, Date.now());
 	}
 
 	handleFollow(username) {
 		const ts = Date.now();
 		this.store.hasFollow(username, ts).then(result => {
 			if (!result) {
-				this.emit('follow', username, ts);
+				this.emit(FOLLOW, username, ts);
 				this.store.addFollow(username, ts);
 			}
 		});
@@ -95,17 +96,17 @@ class Channel extends EventEmitter {
 		const ts = Date.now();
 		this.store.hasSubscription(username, ts).then(result => {
 			if (!result) {
-				this.emit('subscription', username, ts);
+				this.emit(SUBSCRIPTION, username, ts);
 				this.store.addSubscription(username, ts);
 			}
 		});
 	}
 
 	dismiss(item) {
-		if (item.type === 'follow') {
+		if (item.type === FOLLOW) {
 			this.store.dismissFollow(item.username);
 		}
-		if (item.type === 'subscription') {
+		if (item.type === SUBSCRIPTION) {
 			this.store.dismissSubscription(item.username);
 		}
 	}

lib/store/index.js

@@ -1,6 +1,7 @@
 const Datastore = require('nedb');
 
 const createUser = require('./createUser');
+const { FOLLOW, HOST, SUBSCRIPTION } = require('../util');
 
 const Store = function(name) {
 	var dbName;
@@ -62,10 +63,10 @@ Store.prototype = {
 		});
 	},
 	findUnDismissedFollows: function() {
-		return this._findUnDismissed('follow');
+		return this._findUnDismissed(FOLLOW);
 	},
 	findUnDismissedSubscriptions: function() {
-		return this._findUnDismissed('subscription');
+		return this._findUnDismissed(SUBSCRIPTION);
 	},
 	getUser: function(username) {
 		var self = this;
@@ -80,10 +81,10 @@ Store.prototype = {
 		});
 	},
 	hasFollow: function(username) {
-		return this._hasEvent(username, 'follow');
+		return this._hasEvent(username, FOLLOW);
 	},
 	hasSubscription: function(username, ts) {
-		return this._hasEvent(username, 'subscription', ts);
+		return this._hasEvent(username, SUBSCRIPTION, ts);
 	},
 	_hasEvent: function(username, type, ts) {
 		var self = this;
@@ -119,10 +120,10 @@ Store.prototype = {
 			});
 	},
 	addFollow: function(username, ts) {
-		return this._addEvent(username, 'follow', ts);
+		return this._addEvent(username, FOLLOW, ts);
 	},
 	addSubscription: function(username, ts) {
-		return this._addEvent(username, 'subscription', ts);
+		return this._addEvent(username, SUBSCRIPTION, ts);
 	},
 	_dismissEvent: function(username, type) {
 		var self = this;
@@ -140,10 +141,10 @@ Store.prototype = {
 			});
 	},
 	dismissFollow: function(username) {
-		return this._dismissEvent(username, 'follow');
+		return this._dismissEvent(username, FOLLOW);
 	},
 	dismissSubscription: function(username) {
-		return this._dismissEvent(username, 'subscription');
+		return this._dismissEvent(username, SUBSCRIPTION);
 	}
 };
 module.exports = Store;

lib/util.js

@@ -1,3 +1,6 @@
-export const SUBSCRIPTION = 'subscription';
-export const FOLLOW = 'follow';
-export const HOST = 'host';
+module.exports = {
+	SUBSCRIPTION: 'subscription',
+	FOLLOW: 'follow',
+	HOST: 'host',
+	UNFOLLOW: 'unfollow',
+};