Improve linting and cleanup

.eslintrc

@@ -3,9 +3,15 @@
     "node": true,
     "es6": true
   },
+  "extends": ["eslint:recommended"],
   "parser": "babel-eslint",
   "rules": {
-    "indent": [2, "tab"],
-    "quotes": [2, "single", "avoid-escape"]
+    "indent": ["error", "tab"],
+    "quotes": ["error", "single", "avoid-escape"],
+    "linebreak-style": ["error", "unix"],
+    "semi": ["error", "always"],
+    "no-trailing-spaces": ["warn"],
+    "comma-dangle": ["error"],
+    "no-console": ["warn", { allow: ["warn", "error"] }]
   }
 }

app.js

@@ -6,7 +6,7 @@ require('babel-core/register')({
 var config = require('config');
 var app = require('koa')();
 var router = require('./router');
-var db = require('./db')();
+require('./db')();
 
 app.keys = config.keys;
 app.proxy = true;

controllers/pastes.js

@@ -2,7 +2,7 @@ var config = require('config');
 var Paste = require('../models/paste');
 
 module.exports = {
-	*view(next) {
+	*view() {
 		try {
 			let paste = yield Paste.findById(this.params.id).exec();
 			let lang = Object.keys(this.query)[0];
@@ -23,7 +23,7 @@ module.exports = {
 		}
 	},
 
-	*create(next) {
+	*create() {
 		if (this.request.body.fields) {
 			if (this.request.body.fields.paste) {
 				this.request.body.paste = this.request.body.fields.paste;

db.js

@@ -2,15 +2,15 @@ var config = require('config');
 var util = require('util');
 var mongoose = require('mongoose');
 
-module.exports = function () {
+module.exports = function() {
 	mongoose.Promise = global.Promise;
-	mongoose.connect(config.db); 
+	mongoose.connect(config.db);
 
-	mongoose.connection.once('open', function () {
+	mongoose.connection.once('open', function() {
 		util.log('MongoDB connection open');
 	});
 
 	mongoose.connection.on('error', console.error.bind(console, 'MongoDB connection error:'));
 
 	return mongoose.connection;
-}
+};

public/main.js

@@ -1,3 +1,6 @@
+/* eslint-env browser */
+/* global $ autosize */
+
 $(document).ready(function() {
 	autosize($('textarea'));
 
@@ -17,7 +20,7 @@ $(document).ready(function() {
 		window.getSelection().addRange(range);
 	});
 
-	$('select#highlight').change(function(e) {
+	$('select#highlight').change(function() {
 		location.hash = $(this).val();
 	});