Use .gitignore for defining ESLint's ignore pattern

This change uses our `.gitignore` file to define which files ESLint
should ignore, so that all of our committed JavaScript has a consistent
style.

Author: Alec Gibson

examples/leaderboard/server/index.js

@@ -1,22 +1,21 @@
-var http = require("http");
-var ShareDB = require("sharedb");
-var connect = require("connect");
+var http = require('http');
+var ShareDB = require('sharedb');
+var connect = require('connect');
 var serveStatic = require('serve-static');
 var ShareDBMingoMemory = require('sharedb-mingo-memory');
 var WebSocketJSONStream = require('@teamwork/websocket-json-stream');
 var WebSocket = require('ws');
-var util = require('util');
 
 // Start ShareDB
-var share = ShareDB({db: new ShareDBMingoMemory()});
+var share = new ShareDB({db: new ShareDBMingoMemory()});
 
 // Create a WebSocket server
 var app = connect();
 app.use(serveStatic('.'));
 var server = http.createServer(app);
 var wss = new WebSocket.Server({server: server});
 server.listen(8080);
-console.log("Listening on http://localhost:8080");
+console.log('Listening on http://localhost:8080');
 
 // Connect any incoming WebSocket connection with ShareDB
 wss.on('connection', function(ws, req) {
@@ -27,11 +26,13 @@ wss.on('connection', function(ws, req) {
 // Create initial documents
 var connection = share.connect();
 connection.createFetchQuery('players', {}, {}, function(err, results) {
-  if (err) { throw err; }
+  if (err) {
+    throw err;
+  }
 
   if (results.length === 0) {
-    var names = ["Ada Lovelace", "Grace Hopper", "Marie Curie",
-                 "Carl Friedrich Gauss", "Nikola Tesla", "Claude Shannon"];
+    var names = ['Ada Lovelace', 'Grace Hopper', 'Marie Curie',
+      'Carl Friedrich Gauss', 'Nikola Tesla', 'Claude Shannon'];
 
     names.forEach(function(name, index) {
       var doc = connection.get('players', ''+index);

examples/textarea/client.js

@@ -2,35 +2,35 @@ var sharedb = require('sharedb/lib/client');
 var StringBinding = require('sharedb-string-binding');
 
 // Open WebSocket connection to ShareDB server
-const WebSocket = require('reconnecting-websocket');
+var WebSocket = require('reconnecting-websocket');
 var socket = new WebSocket('ws://' + window.location.host);
 var connection = new sharedb.Connection(socket);
 
 var element = document.querySelector('textarea');
 var statusSpan = document.getElementById('status-span');
-statusSpan.innerHTML = "Not Connected"
+statusSpan.innerHTML = 'Not Connected';
 
-element.style.backgroundColor = "gray";
-socket.onopen = function(){
-  statusSpan.innerHTML = "Connected"
-  element.style.backgroundColor = "white";
+element.style.backgroundColor = 'gray';
+socket.onopen = function() {
+  statusSpan.innerHTML = 'Connected';
+  element.style.backgroundColor = 'white';
 };
 
-socket.onclose = function(){
-  statusSpan.innerHTML = "Closed"
-  element.style.backgroundColor = "gray";
+socket.onclose = function() {
+  statusSpan.innerHTML = 'Closed';
+  element.style.backgroundColor = 'gray';
 };
 
 socket.onerror = function() {
-  statusSpan.innerHTML = "Error"
-  element.style.backgroundColor = "red";
-}
+  statusSpan.innerHTML = 'Error';
+  element.style.backgroundColor = 'red';
+};
 
 // Create local Doc instance mapped to 'examples' collection document with id 'textarea'
 var doc = connection.get('examples', 'textarea');
 doc.subscribe(function(err) {
   if (err) throw err;
-  
+
   var binding = new StringBinding(element, doc, ['content']);
   binding.setup();
 });

examples/textarea/server.js

@@ -14,7 +14,7 @@ function createDoc(callback) {
   doc.fetch(function(err) {
     if (err) throw err;
     if (doc.type === null) {
-      doc.create({ content: '' }, callback);
+      doc.create({content: ''}, callback);
       return;
     }
     callback();

package.json

@@ -24,7 +24,8 @@
   "scripts": {
     "test": "./node_modules/.bin/mocha && npm run lint",
     "test-cover": "node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha",
-    "lint": "./node_modules/.bin/eslint 'lib/**/*.js' 'test/**/*.js'"
+    "lint": "./node_modules/.bin/eslint --ignore-path .gitignore '**/*.js'",
+    "lint:fix": "npm run lint -- --fix"
   },
   "repository": {
     "type": "git",