Enforce object literal shorthand syntax with ESLint

.eslintrc.yml

@@ -47,6 +47,10 @@ rules:
   no-use-before-define: [error, {functions: false}]
   no-var: error
   object-curly-spacing: [error, never]
+  object-shorthand:
+    - error
+    - methods
+    - avoidExplicitReturnArrows: true
   padded-blocks: [error, never]
   padding-line-between-statements:
     - error

client/js/autocompletion.js

@@ -14,7 +14,7 @@ let enabled = false;
 
 module.exports = {
 	enable: enableAutocomplete,
-	disable: () => {
+	disable() {
 		if (enabled) {
 			input.off("input.tabcomplete");
 			Mousetrap(input.get(0)).off("tab", "keydown");

client/js/constants.js

@@ -79,6 +79,7 @@ const condensedTypes = [
 	"kick",
 	"mode",
 ];
+const condensedTypesQuery = "." + condensedTypes.join(", .");
 
 const timeFormats = {
 	msgDefault: "HH:mm",
@@ -86,9 +87,9 @@ const timeFormats = {
 };
 
 module.exports = {
-	colorCodeMap: colorCodeMap,
-	commands: commands,
-	condensedTypes: condensedTypes,
-	condensedTypesQuery: "." + condensedTypes.join(", ."),
-	timeFormats: timeFormats,
+	colorCodeMap,
+	commands,
+	condensedTypes,
+	condensedTypesQuery,
+	timeFormats,
 };

client/js/keybinds.js

@@ -30,9 +30,7 @@ Mousetrap.bind([
 		scrollTop = Math.ceil(scrollTop + offset);
 	}
 
-	container.animate({
-		scrollTop: scrollTop,
-	}, 200);
+	container.animate({scrollTop}, 200);
 
 	return false;
 });

client/js/libs/handlebars/ircmessageparser/merge.js

@@ -8,12 +8,9 @@ function assign(textPart, fragment) {
 	const fragStart = fragment.start;
 	const start = Math.max(fragment.start, textPart.start);
 	const end = Math.min(fragment.end, textPart.end);
+	const text = fragment.text.slice(start - fragStart, end - fragStart);
 
-	return Object.assign({}, fragment, {
-		start: start,
-		end: end,
-		text: fragment.text.slice(start - fragStart, end - fragStart),
-	});
+	return Object.assign({}, fragment, {start, end, text});
 }
 
 // Merge the style fragments withing the text parts, taking into account

client/js/localStorage.js

@@ -1,7 +1,7 @@
 "use strict";
 
 module.exports = {
-	set: function(key, value) {
+	set(key, value) {
 		try {
 			window.localStorage.setItem(key, value);
 		} catch (e) {
@@ -10,10 +10,10 @@ module.exports = {
 			// available. See http://stackoverflow.com/q/14555347/1935861.
 		}
 	},
-	get: function(key) {
+	get(key) {
 		return window.localStorage.getItem(key);
 	},
-	remove: function(key, value) {
+	remove(key, value) {
 		window.localStorage.removeItem(key, value);
 	},
 };

client/js/lounge.js

@@ -242,6 +242,7 @@ $(function() {
 	$("#form").on("submit", function(e) {
 		e.preventDefault();
 		utils.forceFocus();
+		const target = chat.data("id");
 		const text = input.val();
 
 		if (text.length === 0) {
@@ -260,10 +261,7 @@ $(function() {
 			}
 		}
 
-		socket.emit("input", {
-			target: chat.data("id"),
-			text: text,
-		});
+		socket.emit("input", {target, text});
 	});
 
 	$("button#set-nick").on("click", function() {
@@ -520,29 +518,29 @@ $(function() {
 	});
 
 	const contextMenuActions = {
-		join: function(itemData) {
+		join(itemData) {
 			const network = $(`#join-channel-${itemData}`).closest(".network");
 			JoinChannel.openForm(network);
 		},
-		close: function(itemData) {
+		close(itemData) {
 			closeChan($(`.networks .chan[data-target="${itemData}"]`));
 		},
-		focusChan: function(itemData) {
+		focusChan(itemData) {
 			$(`.networks .chan[data-target="${itemData}"]`).trigger("click");
 		},
-		list: function(itemData) {
+		list(itemData) {
 			socket.emit("input", {
 				target: itemData,
 				text: "/list",
 			});
 		},
-		banlist: function(itemData) {
+		banlist(itemData) {
 			socket.emit("input", {
 				target: itemData,
 				text: "/banlist",
 			});
 		},
-		whois: function(itemData) {
+		whois(itemData) {
 			const chan = utils.findCurrentNetworkChan(itemData);
 
 			if (chan.length) {
@@ -556,7 +554,7 @@ $(function() {
 
 			$(`.channel.active .userlist .user[data-name="${itemData}"]`).trigger("click");
 		},
-		query: function(itemData) {
+		query(itemData) {
 			const chan = utils.findCurrentNetworkChan(itemData);
 
 			if (chan.length) {
@@ -568,7 +566,7 @@ $(function() {
 				text: "/query " + itemData,
 			});
 		},
-		kick: function(itemData) {
+		kick(itemData) {
 			socket.emit("input", {
 				target: $("#chat").data("id"),
 				text: "/kick " + itemData,

client/js/options.js

@@ -70,11 +70,11 @@ if (typeof userSettings.theme === "string" && $theme.attr("href") !== `themes/${
 userSettings = null;
 
 module.exports = {
-	alwaysSync: alwaysSync,
-	noSync: noSync,
+	alwaysSync,
+	noSync,
 	initialized: false,
 	highlightsRE: null,
-	settings: settings,
+	settings,
 	shouldOpenMessagePreview,
 	noServerSettings,
 	processSetting,
@@ -166,10 +166,7 @@ function applySetting(name, value) {
 }
 
 function settingSetEmit(name, value) {
-	socket.emit("setting:set", {
-		name: name,
-		value: value,
-	});
+	socket.emit("setting:set", {name, value});
 }
 
 // When sync is `true` the setting will also be send to the backend for syncing.

client/js/renderPreview.js

@@ -17,7 +17,7 @@ function renderPreview(preview, msg) {
 
 	preview.shown = preview.shown && options.shouldOpenMessagePreview(preview.type);
 
-	const template = $(templates.msg_preview({preview: preview}));
+	const template = $(templates.msg_preview({preview}));
 	const image = template.find("img:first");
 
 	if (image.length === 0) {
@@ -61,7 +61,7 @@ function appendPreview(preview, msg, template) {
 
 	msg.find(`.text a[href="${escapedLink}"]`)
 		.first()
-		.after(templates.msg_preview_toggle({preview: preview}).trim());
+		.after(templates.msg_preview_toggle({preview}).trim());
 
 	previewContainer.append(template);
 

client/js/socket-events/auth.js

@@ -65,12 +65,8 @@ socket.on("auth", function(data) {
 
 		if (token) {
 			$("#loading-page-message, #connection-error").text("Authorizing…");
-
-			socket.emit("auth", {
-				user: user,
-				token: token,
-				lastMessage: utils.lastMessageId,
-			});
+			const lastMessage = utils.lastMessageId;
+			socket.emit("auth", {user, token, lastMessage});
 		}
 	}
 

client/js/socket.js

@@ -3,11 +3,10 @@
 const $ = require("jquery");
 const io = require("socket.io-client");
 const utils = require("./utils");
-const path = window.location.pathname + "socket.io/";
 
 const socket = io({
 	transports: $(document.body).data("transports"),
-	path: path,
+	path: window.location.pathname + "socket.io/",
 	autoConnect: false,
 	reconnection: !$(document.body).hasClass("public"),
 });

client/js/sorting.js

@@ -17,18 +17,18 @@ module.exports = function() {
 		forcePlaceholderSize: true,
 		tolerance: "pointer", // Use the pointer to figure out where the network is in the list
 
-		update: function() {
+		update() {
 			const order = [];
+
 			sidebar.find(".network").each(function() {
 				const id = $(this).data("id");
 				order.push(id);
 			});
-			socket.emit(
-				"sort", {
+
+			socket.emit("sort", {
 				type: "networks",
 				order: order,
-				}
-			);
+			});
 
 			options.settings.ignoreSortSync = true;
 		},
@@ -43,20 +43,20 @@ module.exports = function() {
 		forcePlaceholderSize: true,
 		tolerance: "pointer", // Use the pointer to figure out where the channel is in the list
 
-		update: function(e, ui) {
+		update(e, ui) {
 			const order = [];
 			const network = ui.item.parent();
+
 			network.find(".chan").each(function() {
 				const id = $(this).data("id");
 				order.push(id);
 			});
-			socket.emit(
-				"sort", {
+
+			socket.emit("sort", {
 				type: "channels",
 				target: network.data("id"),
 				order: order,
-				}
-			);
+			});
 
 			options.settings.ignoreSortSync = true;
 		},

client/js/utils.js

@@ -142,7 +142,7 @@ function requestIdleCallback(callback, timeout) {
 	if (window.requestIdleCallback) {
 		// During an idle period the user agent will run idle callbacks in FIFO order
 		// until either the idle period ends or there are no more idle callbacks eligible to be run.
-		window.requestIdleCallback(callback, {timeout: timeout});
+		window.requestIdleCallback(callback, {timeout});
 	} else {
 		callback();
 	}

src/client.js

@@ -132,10 +132,7 @@ Client.prototype.find = function(channelId) {
 	}
 
 	if (network && chan) {
-		return {
-			network: network,
-			chan: chan,
-		};
+		return {network, chan};
 	}
 
 	return false;
@@ -557,10 +554,8 @@ Client.prototype.clientAttach = function(socketId, token) {
 		});
 	}
 
-	client.attachedClients[socketId] = {
-		token: token,
-		openChannel: client.lastActiveChannel,
-	};
+	const openChannel = client.lastActiveChannel;
+	client.attachedClients[socketId] = {token, openChannel};
 
 	// Update old networks to store ip and hostmask
 	client.networks.forEach((network) => {

src/clientManager.js

@@ -51,7 +51,7 @@ ClientManager.prototype.autoloadUsers = function() {
 
 		// Existing users removed since last time users were loaded
 		_.difference(loaded, updatedUsers).forEach((name) => {
-			const client = _.find(this.clients, {name: name});
+			const client = _.find(this.clients, {name});
 
 			if (client) {
 				client.quit(true);

src/identification.js

@@ -69,7 +69,7 @@ class Identification {
 	addSocket(socket, user) {
 		const id = ++this.connectionId;
 
-		this.connections.set(id, {socket: socket, user: user});
+		this.connections.set(id, {socket, user});
 
 		if (this.oidentdFile) {
 			this.refresh();

src/models/chan.js

@@ -43,13 +43,11 @@ Chan.prototype.destroy = function() {
 };
 
 Chan.prototype.pushMessage = function(client, msg, increasesUnread) {
-	const obj = {
-		chan: this.id,
-		msg: msg,
-	};
+	const chan = this.id;
+	const obj = {chan, msg};
 
 	// If this channel is open in any of the clients, do not increase unread counter
-	const isOpen = _.find(client.attachedClients, {openChannel: this.id}) !== undefined;
+	const isOpen = _.find(client.attachedClients, {openChannel: chan}) !== undefined;
 
 	if ((increasesUnread || msg.highlight) && !isOpen) {
 		obj.unread = ++this.unread;
@@ -131,7 +129,7 @@ Chan.prototype.findUser = function(nick) {
 };
 
 Chan.prototype.getUser = function(nick) {
-	return this.findUser(nick) || new User({nick: nick});
+	return this.findUser(nick) || new User({nick});
 };
 
 Chan.prototype.setUser = function(user) {

src/plugins/inputs/connect.js

@@ -31,11 +31,8 @@ exports.input = function({irc}, chan, cmd, args) {
 		port = port.substring(1);
 	}
 
-	this.connect({
-		host: args[0],
-		port: port,
-		tls: tls,
-	});
+	const host = args[0];
+	this.connect({host, port, tls});
 
 	return true;
 };

src/plugins/irc-events/link.js

@@ -269,10 +269,8 @@ function emitPreview(client, msg, preview) {
 		}
 	}
 
-	client.emit("msg:preview", {
-		id: msg.id,
-		preview: preview,
-	});
+	const id = msg.id;
+	client.emit("msg:preview", {id, preview});
 }
 
 function getRequestHeaders(language) {
@@ -349,11 +347,8 @@ function fetch(uri, {language}, cb) {
 				type = req.response.headers["content-type"].split(/ *; */).shift();
 			}
 
-			cb({
-				data: Buffer.concat(buffers, length),
-				type: type,
-				size: size,
-			});
+			const data = Buffer.concat(buffers, length);
+			cb({data, type, size});
 		});
 }
 

src/plugins/packages/themes.js

@@ -58,11 +58,9 @@ function makePackageThemeObject(moduleName, module) {
 	}
 
 	const modulePath = Helper.getPackageModulePath(moduleName);
-	const displayName = module.name || moduleName;
-	const filename = path.join(modulePath, module.css);
 	return {
-		displayName: displayName,
-		filename: filename,
+		displayName: module.name || moduleName,
+		filename: path.join(modulePath, module.css),
 		name: moduleName,
 	};
 }

test/commands/mode.js

@@ -20,7 +20,7 @@ describe("Commands", function() {
 			lastCommand: null,
 			nick: "xPaw",
 			irc: {
-				raw: function(...args) {
+				raw(...args) {
 					testableNetwork.lastCommand = args.join(" ");
 				},
 			},

test/models/chan.js

@@ -90,7 +90,7 @@ describe("Chan", function() {
 			const chan = new Chan();
 			[
 				"JocelynD", "YaManicKill", "astorije", "xPaw", "Max-P",
-			].forEach((nick) => chan.setUser(new User({nick: nick})));
+			].forEach((nick) => chan.setUser(new User({nick})));
 
 			expect(chan.getSortedUsers().map((u) => u.nick)).to.deep.equal([
 				"JocelynD", "YaManicKill", "astorije", "xPaw", "Max-P",
@@ -101,7 +101,7 @@ describe("Chan", function() {
 			const chan = new Chan();
 			[
 				"JocelynD", "YaManicKill", "astorije", "xPaw", "Max-P",
-			].forEach((nick) => chan.setUser(new User({nick: nick}, prefixLookup)));
+			].forEach((nick) => chan.setUser(new User({nick}, prefixLookup)));
 
 			expect(getUserNames(chan)).to.deep.equal([
 				"astorije", "JocelynD", "Max-P", "xPaw", "YaManicKill",
@@ -138,7 +138,7 @@ describe("Chan", function() {
 			const chan = new Chan();
 			[
 				"aB", "Ad", "AA", "ac",
-			].forEach((nick) => chan.setUser(new User({nick: nick}, prefixLookup)));
+			].forEach((nick) => chan.setUser(new User({nick}, prefixLookup)));
 
 			expect(getUserNames(chan)).to.deep.equal(["AA", "aB", "ac", "Ad"]);
 		});
@@ -148,7 +148,7 @@ describe("Chan", function() {
 			[
 				"[foo", "]foo", "(foo)", "{foo}", "<foo>", "_foo", "@foo", "^foo",
 				"&foo", "!foo", "+foo", "Foo",
-			].forEach((nick) => chan.setUser(new User({nick: nick}, prefixLookup)));
+			].forEach((nick) => chan.setUser(new User({nick}, prefixLookup)));
 
 			expect(getUserNames(chan)).to.deep.equal([
 				"!foo", "&foo", "(foo)", "+foo", "<foo>", "@foo", "[foo", "]foo",

test/util.js

@@ -37,10 +37,10 @@ function mockLogger(callback) {
 }
 
 module.exports = {
-	createClient: function() {
+	createClient() {
 		return new MockClient();
 	},
-	createNetwork: function() {
+	createNetwork() {
 		return new Network({
 			host: "example.com",
 			channels: [new Chan({
@@ -48,7 +48,7 @@ module.exports = {
 			})],
 		});
 	},
-	createWebserver: function() {
+	createWebserver() {
 		return express();
 	},
 	mockLogger,