Update to eslint

.eslintrc.js

@@ -0,0 +1,65 @@
+module.exports = {
+  root: true,
+  parserOptions: {
+    ecmaVersion: 2017,
+    sourceType: 'module'
+  },
+  plugins: [
+    'ember'
+  ],
+  extends: [
+    'eslint:recommended',
+    'plugin:ember/recommended'
+  ],
+  env: {
+    browser: true
+  },
+  globals: {
+    andThen: true,
+    click: true,
+    createGist: true,
+    currentRouteName: true,
+    currentURL: true,
+    fillIn: true,
+    keyEvent: true,
+    outputContents: true,
+    outputPane: true,
+    runGist: true,
+    runRevision: true,
+    server: true,
+    triggerEvent: true,
+    visit: true,
+    waitForLoadedIFrame: true,
+    waitForUnloadedIFrame: true,
+    '$': true
+  },
+  rules: {
+    'ember/new-module-imports': 'off'
+  },
+  overrides: [
+    // node files
+    {
+      files: [
+        'testem.js',
+        'ember-cli-build.js',
+        'config/**/*.js',
+        'lib/*/index.js'
+      ],
+      parserOptions: {
+        sourceType: 'script',
+        ecmaVersion: 2015
+      },
+      env: {
+        browser: false,
+        node: true
+      }
+    },
+    // mirage files
+    {
+      files: ['mirage/**'],
+      rules: {
+        'ember/avoid-leaking-state-in-ember-objects': 'off'
+      }
+    }
+  ]
+};

.travis.yml

@@ -1,25 +1,25 @@
+---
 language: node_js
 node_js:
-- '6'
+  - "6"
+
 notifications:
   email: false
+
+sudo: required
 dist: trusty
-sudo: false
 
 addons:
   chrome: stable
 
+cache:
+  yarn: true
+
 env:
   global:
     # See https://git.io/vdao3 for details.
     - JOBS=1
 
-cache:
-  yarn: true
-  directories:
-  - $HOME/.npm
-  - $HOME/.cache
-
 before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
   - export PATH=$HOME/.yarn/bin:$PATH
@@ -28,23 +28,19 @@ before_install:
   - yarn --version
 
 install:
-- yarn
-- bower install
-
-before_script:
-- export DISPLAY=:99.0
-- sh -e /etc/init.d/xvfb start
-- sleep 3 # give xvfb some time to start
+  - yarn install --non-interactive
+  - bower install
 
 script:
-- yarn test
+  - yarn lint:js
+  - yarn test
 
 after_script:
-- scripts/travis-deploy.sh
+  - scripts/travis-deploy.sh
 
 env:
   global:
-  - TORII_PROVIDER=github-oauth2
-  - secure: Dwthqo6GaXQt7erj89xMa/2GRua9PTzcSKXYmxjE0O46DMuBR80JjPges0hGCWwPcdMFqsaMshSaTVF5eHc49vhaziB2sqWwLZndkRFIAsNGnBZkBpeZc9MsTNMbPP5KyJh/pG03nJLXUSz6xzMoxDNU/QHWyBYBxTlfxVGewLE=
-  - secure: H3EtrTdcXIDOjp59Mu/7KA7N2UrVgKjt2YVtW6dqby/Oa5q/jpfnomE70fhIpFTle6MavhAIujQ5awMRC/80EJXlZp5hnSd9DKyCpk70I1KoT6vm34RjZfSP9kAyRyokLwfjEkovCFltY3/i8y+8QFEVr8RkNt1VP2hY1ScFzys=
-  - secure: BM5IGMNaE+xS16wsReX6KjA4Zg9nKhWrPuc7AZAmgEevCiQT6mgSfyhyoPoRS/M5UVdngqCSHFljfUHigR9/C8lPOY7fS6RU4wyNnZlQJL6y3D3LMWvzw8u/Rc98rmoWqNA2XEmc4a95A8iRNATWQAd3qL0FxfNcv6ny99MOER4=
+    - TORII_PROVIDER=github-oauth2
+    - secure: Dwthqo6GaXQt7erj89xMa/2GRua9PTzcSKXYmxjE0O46DMuBR80JjPges0hGCWwPcdMFqsaMshSaTVF5eHc49vhaziB2sqWwLZndkRFIAsNGnBZkBpeZc9MsTNMbPP5KyJh/pG03nJLXUSz6xzMoxDNU/QHWyBYBxTlfxVGewLE=
+    - secure: H3EtrTdcXIDOjp59Mu/7KA7N2UrVgKjt2YVtW6dqby/Oa5q/jpfnomE70fhIpFTle6MavhAIujQ5awMRC/80EJXlZp5hnSd9DKyCpk70I1KoT6vm34RjZfSP9kAyRyokLwfjEkovCFltY3/i8y+8QFEVr8RkNt1VP2hY1ScFzys=
+    - secure: BM5IGMNaE+xS16wsReX6KjA4Zg9nKhWrPuc7AZAmgEevCiQT6mgSfyhyoPoRS/M5UVdngqCSHFljfUHigR9/C8lPOY7fS6RU4wyNnZlQJL6y3D3LMWvzw8u/Rc98rmoWqNA2XEmc4a95A8iRNATWQAd3qL0FxfNcv6ny99MOER4=

app/components/better-checkbox.js

@@ -9,6 +9,6 @@ export default Ember.Component.extend({
 
   change() {
     this.set('checked', this.$().prop('checked'));
-    this.attrs.action(this.get('checked'));
+    this.action(this.get('checked'));
   }
 });

app/components/build-messages.js

@@ -7,6 +7,7 @@ export default Ember.Component.extend({
   actions: {
     showErrors() {
       this.get('buildErrors').forEach((error) => {
+        // eslint-disable-next-line no-console
         console.error(error);
       });
       this.get('notify').info('Errors were dumped to console');

app/components/dummy-app.js

@@ -1,7 +1,8 @@
 import Ember from 'ember';
 import ResizeMixin from 'ember-twiddle/mixins/resize';
+import $ from 'jquery';
 
-const { $, on, inject } = Ember;
+const { inject } = Ember;
 
 export default Ember.Component.extend(ResizeMixin, {
   app: inject.service(),
@@ -55,7 +56,8 @@ export default Ember.Component.extend(ResizeMixin, {
     }
   },
 
-  didResize: on('didInsertElement', function () {
+  didInsertElement() {
+    this._super();
     let offset = this.$().offset(), width = this.$().width(),
         height = this.$().height();
 
@@ -65,10 +67,10 @@ export default Ember.Component.extend(ResizeMixin, {
       width:  width,
       height: height
     });
-  }),
+  },
 
   willDestroyElement() {
-    this._super(...arguments);
+    this._super();
 
     let oldIframe = document.getElementById(this.iframeId);
     if (oldIframe) {

app/components/editor-mode-menu.js

@@ -6,7 +6,7 @@ export default Ember.Component.extend({
 
   actions: {
     setKeyMap(keyMap) {
-      this.attrs.setKeyMap(keyMap);
+      this.setKeyMap(keyMap);
     }
   }
 });

app/components/file-editor-column.js

@@ -32,30 +32,30 @@ export default Ember.Component.extend({
   }),
 
   focusIn () {
-    this.sendAction('focusEditor', this);
+    this.focusEditor(this);
   },
 
   actions: {
     selectFile(file) {
       this.set('file', file);
-      this.sendAction('selectFile', file);
+      this.selectFile(file);
     },
 
     valueUpdated(value, __, changeObj) {
       const isUserChange = changeObj.origin !== 'setValue';
-      this.get('contentChanged')(isUserChange, value);
+      this.contentChanged(isUserChange, value);
     },
 
     removeColumn(col) {
-      this.get('removeColumn')(col);
+      this.removeColumn(col);
     },
 
     addColumn() {
-      this.get('addColumn')();
+      this.addColumn();
     },
 
     showFileTree() {
-      this.get('showFileTree')();
+      this.showFileTree();
     }
   }
 });

app/components/file-menu.js

@@ -16,31 +16,31 @@ export default Ember.Component.extend(DropdownSubmenuFixMixin, {
 
   actions: {
     addComponent() {
-      this.attrs.addComponent();
+      this.addComponent();
     },
     addHelper() {
-      this.attrs.addHelper();
+      this.addHelper();
     },
     addFile(type) {
-      this.attrs.addFile(type);
+      this.addFile(type);
     },
     addUnitTestFile(type) {
-      this.attrs.addUnitTestFile(type);
+      this.addUnitTestFile(type);
     },
     addIntegrationTestFile(type) {
-      this.attrs.addIntegrationTestFile(type);
+      this.addIntegrationTestFile(type);
     },
     addAcceptanceTestFile() {
-      this.attrs.addAcceptanceTestFile();
+      this.addAcceptanceTestFile();
     },
     renameFile(file) {
-      this.attrs.renameFile(file);
+      this.renameFile(file);
     },
     removeFile(file) {
-      this.attrs.removeFile(file);
+      this.removeFile(file);
     },
     saveGist(model) {
-      this.attrs.saveGist(model);
+      this.saveGist(model);
     },
     share() {
       prompt('Ctrl + C ;-)', window.location.href);
@@ -58,25 +58,25 @@ export default Ember.Component.extend(DropdownSubmenuFixMixin, {
       prompt('Ctrl + C ;-)', embedCode);
     },
     fork(model) {
-      this.attrs.fork(model);
+      this.fork(model);
     },
     copy() {
-      this.attrs.copy();
+      this.copy();
     },
     deleteGist(model) {
-      this.attrs.deleteGist(model);
+      this.deleteGist(model);
     },
     signInViaGithub() {
-      this.attrs.signInViaGithub();
+      this.signInViaGithub();
     },
     showRevision(id) {
-      this.attrs.showRevision(id);
+      this.showRevision(id);
     },
     showCurrentVersion() {
-      this.attrs.showCurrentVersion();
+      this.showCurrentVersion();
     },
     downloadProject() {
-      this.attrs.downloadProject();
+      this.downloadProject();
     }
   }
 });

app/components/file-tree.js

@@ -90,26 +90,26 @@ export default Ember.Component.extend({
   actions: {
     handleSelectTreeNode(node) {
       if (node.original.leaf) {
-        this.attrs.openFile(node.original.path);
+        this.openFile(node.original.path);
         return;
       }
       this.get('jsTreeActionReceiver').send('toggleNode', node.id);
     },
 
     didBecomeReady() {
-      if(this.attrs.didBecomeReady) {
-        this.attrs.didBecomeReady();
+      if(this.didBecomeReady) {
+        this.didBecomeReady();
       }
     },
 
     didChange() {
-      if (this.attrs.didChange) {
-        this.attrs.didChange();
+      if (this.didChange) {
+        this.didChange();
       }
     },
 
     hideFileTree() {
-      this.attrs.hideFileTree();
+      this.hideFileTree();
     },
 
     expandAll() {

app/components/title-input.js

@@ -41,7 +41,7 @@ export default Ember.Component.extend({
     },
 
     valueChanged() {
-      this.attrs.titleChanged();
+      this.titleChanged();
     }
   }
 

app/components/user-menu.js

@@ -33,14 +33,14 @@ export default Ember.Component.extend({
 
   actions: {
     signInViaGithub() {
-      this.attrs.signInViaGithub();
+      this.signInViaGithub();
     },
     signOut() {
-      this.attrs.signOut();
+      this.signOut();
     },
 
     showTwiddles() {
-      this.attrs.showTwiddles();
+      this.showTwiddles();
     }
   }
 });