Adds liniting into the workflow (#3082)

* initial linting of src

* fix indent to 2 spaces

* Removes unnecessary rules

* ignore spec folder for now

* Spec linting

* Fix spec indent

* nits

* nits

* no no-empty rule

Author: flovilmart

.eslintignore

@@ -0,0 +1,2 @@
+lib/*
+coverage/*

.eslintrc.json

@@ -0,0 +1,20 @@
+{
+    "root": true,
+    "extends": "eslint:recommended",
+    "env": {
+        "node": true,
+        "es6": true
+    },
+    "parser": "babel-eslint",
+    "plugins": [
+        "flowtype"
+    ],
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module"
+    },
+    "rules": {
+        "indent": ["error", 2],
+        "linebreak-style": ["error", "unix"]
+    }
+}

.travis.yml

@@ -15,6 +15,7 @@ before_script:
   - psql -c 'create database parse_server_postgres_adapter_test_database;' -U postgres
   - psql -c 'CREATE EXTENSION postgis;' -U postgres -d parse_server_postgres_adapter_test_database
   - psql -c 'CREATE EXTENSION postgis_topology;' -U postgres -d parse_server_postgres_adapter_test_database
+  - npm run lint
 env:
   global:
   - COVERAGE_OPTION='./node_modules/.bin/istanbul cover'

package.json

@@ -46,6 +46,7 @@
   "devDependencies": {
     "babel-cli": "6.18.0",
     "babel-core": "6.18.2",
+    "babel-eslint": "^7.1.1",
     "babel-plugin-syntax-flow": "6.13.0",
     "babel-plugin-transform-flow-strip-types": "6.18.0",
     "babel-preset-es2015": "6.14.0",
@@ -54,6 +55,8 @@
     "bcrypt-nodejs": "0.0.3",
     "cross-env": "3.1.3",
     "deep-diff": "0.3.4",
+    "eslint": "^3.10.2",
+    "eslint-plugin-flowtype": "^2.25.0",
     "gaze": "1.1.1",
     "istanbul": "1.0.0-alpha.1",
     "jasmine": "2.5.2",
@@ -64,6 +67,7 @@
   },
   "scripts": {
     "dev": "npm run build && node bin/dev",
+    "lint": "eslint ./",
     "build": "babel src/ -d lib/",
     "test": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=3.2.6} MONGODB_STORAGE_ENGINE=mmapv1 NODE_ENV=test TESTING=1 $COVERAGE_OPTION jasmine",
     "test:win": "npm run pretest && cross-env NODE_ENV=test TESTING=1 node ./node_modules/jasmine/bin/jasmine.js && npm run posttest",

spec/.eslintrc.json

@@ -0,0 +1,35 @@
+{
+    "extends": "eslint:recommended",
+    "env": {
+        "node": true,
+        "es6": true,
+        "jasmine": true
+    },
+    "globals": {
+      "Parse": true,
+      "reconfigureServer": true,
+      "createTestUser": true,
+      "jfail": true,
+      "ok": true,
+      "strictEqual": true,
+      "TestObject": true,
+      "Item": true,
+      "Container": true,
+      "equal": true,
+      "notEqual": true,
+      "it_exclude_dbs": true,
+      "describe_only_db": true,
+      "on_db": true,
+      "defaultConfiguration": true,
+      "expectSuccess": true,
+      "range": true,
+      "expectError": true,
+      "jequal": true,
+      "create": true,
+      "arrayContains": true
+    },
+    "rules": {
+      "no-console": [0],
+      "indent": ["error", 2]
+    }
+}

spec/AccountLockoutPolicy.spec.js

@@ -5,7 +5,7 @@ const Config = require("../src/Config");
 var loginWithWrongCredentialsShouldFail = function(username, password) {
   return new Promise((resolve, reject) => {
     Parse.User.logIn(username, password)
-    .then(user => reject('login should have failed'))
+    .then(() => reject('login should have failed'))
     .catch(err => {
       if (err.message === 'Invalid username/password.') {
         resolve();
@@ -20,7 +20,7 @@ var isAccountLockoutError = function(username, password, duration, waitTime) {
   return new Promise((resolve, reject) => {
     setTimeout(() => {
       Parse.User.logIn(username, password)
-      .then(user => reject('login should have failed'))
+      .then(() => reject('login should have failed'))
       .catch(err => {
         if (err.message === 'Your account is locked due to multiple failed login attempts. Please try again after ' + duration + ' minute(s)') {
           resolve();
@@ -45,7 +45,7 @@ describe("Account Lockout Policy: ", () => {
       user.setPassword('password');
       return user.signUp(null);
     })
-    .then(user => {
+    .then(() => {
       return loginWithWrongCredentialsShouldFail('username1', 'incorrect password 1');
     })
     .then(() => {
@@ -71,7 +71,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('set duration to an invalid number test failed');
       done();
     })
@@ -95,7 +95,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('set threshold to an invalid number test failed');
       done();
     })
@@ -119,7 +119,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('threshold value < 1 is invalid test failed');
       done();
     })
@@ -143,7 +143,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('threshold value > 999 is invalid test failed');
       done();
     })
@@ -167,7 +167,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('duration value < 1 is invalid test failed');
       done();
     })
@@ -191,7 +191,7 @@ describe("Account Lockout Policy: ", () => {
       publicServerURL: "https://my.public.server.com/1"
     })
     .then(() => {
-      var config = new Config('test');
+      new Config('test');
       fail('duration value > 99999 is invalid test failed');
       done();
     })
@@ -230,7 +230,7 @@ describe("Account Lockout Policy: ", () => {
       return isAccountLockoutError('username2', 'wrong password', 1, 1);
     })
     .then(() => {
-        done();
+      done();
     })
     .catch(err => {
       fail('lock account after failed login attempts test failed: ' + JSON.stringify(err));
@@ -301,7 +301,7 @@ describe("Account Lockout Policy: ", () => {
       return new Promise((resolve, reject) => {
         setTimeout(() => {
           Parse.User.logIn('username4', 'correct password')
-          .then(user => resolve())
+          .then(() => resolve())
           .catch(err => reject(err));
         }, 3001);
       });

spec/AdaptableController.spec.js

@@ -31,7 +31,7 @@ describe("AdaptableController", ()=>{
   });
 
   it("should fail setting the wrong adapter to the controller", (done) => {
-    function WrongAdapter() {};
+    function WrongAdapter() {}
     var adapter = new FilesAdapter();
     var controller = new FilesController(adapter);
     var otherAdapter = new WrongAdapter();
@@ -42,7 +42,7 @@ describe("AdaptableController", ()=>{
   });
 
   it("should fail to instantiate a controller with wrong adapter", (done) => {
-    function WrongAdapter() {};
+    function WrongAdapter() {}
     var adapter = new WrongAdapter();
     expect(() => {
       new FilesController(adapter);
@@ -59,10 +59,10 @@ describe("AdaptableController", ()=>{
 
   it("should accept an object adapter", (done) => {
     var adapter = {
-      createFile: function(config, filename, data) { },
-      deleteFile: function(config, filename) { },
-      getFileData: function(config, filename) { },
-      getFileLocation: function(config, filename) { },
+      createFile: function() { },
+      deleteFile: function() { },
+      getFileData: function() { },
+      getFileLocation: function() { },
     }
     expect(() => {
       new FilesController(adapter);
@@ -71,11 +71,11 @@ describe("AdaptableController", ()=>{
   });
 
   it("should accept an object adapter", (done) => {
-    function AGoodAdapter() {};
-    AGoodAdapter.prototype.createFile = function(config, filename, data) { };
-    AGoodAdapter.prototype.deleteFile = function(config, filename) { };
-    AGoodAdapter.prototype.getFileData = function(config, filename) { };
-    AGoodAdapter.prototype.getFileLocation = function(config, filename) { };
+    function AGoodAdapter() {}
+    AGoodAdapter.prototype.createFile = function() { };
+    AGoodAdapter.prototype.deleteFile = function() { };
+    AGoodAdapter.prototype.getFileData = function() { };
+    AGoodAdapter.prototype.getFileLocation = function() { };
 
     var adapter = new AGoodAdapter();
     expect(() => {

spec/Analytics.spec.js

@@ -1,6 +1,6 @@
 const analyticsAdapter = {
-  appOpened: function(parameters, req) {}, 
-  trackEvent: function(eventName, parameters, req) {}
+  appOpened: function() {}, 
+  trackEvent: function() {}
 }
 
 describe('AnalyticsController', () => {
@@ -9,7 +9,7 @@ describe('AnalyticsController', () => {
     spyOn(analyticsAdapter, 'trackEvent').and.callThrough();
     reconfigureServer({
       analyticsAdapter
-    }).then(() => {
+    }).then(() => {
       return Parse.Analytics.track('MyEvent', {
         key: 'value',
         count: '0'
@@ -26,7 +26,7 @@ describe('AnalyticsController', () => {
         }
       });
       done();
-    }, (err) => {
+    }, (err) => {
       fail(JSON.stringify(err));
       done();
     })
@@ -37,7 +37,7 @@ describe('AnalyticsController', () => {
     spyOn(analyticsAdapter, 'appOpened').and.callThrough();
     reconfigureServer({
       analyticsAdapter
-    }).then(() => {
+    }).then(() => {
       return Parse.Analytics.track('AppOpened', {
         key: 'value',
         count: '0'
@@ -53,7 +53,7 @@ describe('AnalyticsController', () => {
         }
       });
       done();
-    }, (err) => {
+    }, (err) => {
       fail(JSON.stringify(err));
       done();
     })

spec/Auth.spec.js

@@ -4,7 +4,6 @@ describe('Auth', () => {
   describe('getUserRoles', () => {
     var auth;
     var config;
-    var cacheController;
     var currentRoles = null;
     var currentUserId = 'userId';
 
@@ -51,8 +50,8 @@ describe('Auth', () => {
           expect(roles).toEqual(currentRoles);
           return auth.getUserRoles()
         })
-        .then((roles) => auth.getUserRoles())
-        .then((roles) => auth.getUserRoles())
+        .then(() => auth.getUserRoles())
+        .then(() => auth.getUserRoles())
         .then((roles) => {
           // Should only call the cache adapter once.
           expect(config.cacheController.role.get.calls.count()).toEqual(1);
@@ -79,7 +78,7 @@ describe('Auth', () => {
         .then(() => done());
     });
 
-    it('should properly handle bcrypt upgrade', (done) => {
+    it('should properly handle bcrypt upgrade', (done) => {
       var bcryptOriginal = require('bcrypt-nodejs');
       var bcryptNew = require('bcryptjs');
       bcryptOriginal.hash('my1Long:password', null, null, function(err, res) {

spec/CacheController.spec.js

@@ -62,13 +62,13 @@ describe('CacheController', function() {
 
   it('should handle cache rejections', (done) => {
 
-      FakeCacheAdapter.get = () => Promise.reject();
+    FakeCacheAdapter.get = () => Promise.reject();
 
-      var cache = new CacheController(FakeCacheAdapter, FakeAppID);
+    var cache = new CacheController(FakeCacheAdapter, FakeAppID);
 
-      cache.get('foo').then(done, () => {
-          fail('Promise should not be rejected.');
-      });
+    cache.get('foo').then(done, () => {
+      fail('Promise should not be rejected.');
+    });
   });
 
 });

spec/ClientSDK.spec.js

@@ -1,27 +1,27 @@
 var ClientSDK = require('../src/ClientSDK');
 
-describe('ClientSDK', () => {
-  it('should properly parse the SDK versions', () => {
-      let clientSDKFromVersion = ClientSDK.fromString;
-      expect(clientSDKFromVersion('i1.1.1')).toEqual({
-          sdk: 'i',
-          version: '1.1.1'
-      });
-      expect(clientSDKFromVersion('i1')).toEqual({
-          sdk: 'i',
-          version: '1'
-      });
-      expect(clientSDKFromVersion('apple-tv1.13.0')).toEqual({
-          sdk: 'apple-tv',
-          version: '1.13.0'
-      });
-      expect(clientSDKFromVersion('js1.9.0')).toEqual({
-          sdk: 'js',
-          version: '1.9.0'
-      });
+describe('ClientSDK', () => {
+  it('should properly parse the SDK versions', () => {
+    let clientSDKFromVersion = ClientSDK.fromString;
+    expect(clientSDKFromVersion('i1.1.1')).toEqual({
+      sdk: 'i',
+      version: '1.1.1'
+    });
+    expect(clientSDKFromVersion('i1')).toEqual({
+      sdk: 'i',
+      version: '1'
+    });
+    expect(clientSDKFromVersion('apple-tv1.13.0')).toEqual({
+      sdk: 'apple-tv',
+      version: '1.13.0'
+    });
+    expect(clientSDKFromVersion('js1.9.0')).toEqual({
+      sdk: 'js',
+      version: '1.9.0'
+    });
   });
 
-  it('should properly sastisfy', () => {
+  it('should properly sastisfy', () => {
     expect(ClientSDK.compatible({
       js: '>=1.9.0'
     })("js1.9.0")).toBe(true);