update ember and ember-cli

.eslintrc.js

@@ -4,13 +4,46 @@ module.exports = {
     ecmaVersion: 2017,
     sourceType: 'module'
   },
+  plugins: [
+    'ember'
+  ],
   extends: [
     'eslint:recommended',
-    'plugin:ember-suave/recommended'
+    'plugin:ember/recommended'
   ],
   env: {
     browser: true
   },
   rules: {
-  }
+  },
+  overrides: [
+    // node files
+    {
+      files: [
+        'ember-cli-build.js',
+        'index.js',
+        'testem.js',
+        'config/**/*.js',
+        'tests/dummy/config/**/*.js'
+      ],
+      excludedFiles: [
+        'addon/**',
+        'addon-test-support/**',
+        'app/**',
+        'tests/dummy/app/**'
+      ],
+      parserOptions: {
+        sourceType: 'script',
+        ecmaVersion: 2015
+      },
+      env: {
+        browser: false,
+        node: true
+      },
+      plugins: ['node'],
+      rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
+        // add your custom rules and overrides for node files here
+      })
+    }
+  ]
 };

.gitignore

@@ -14,4 +14,10 @@
 /coverage/*
 /libpeerconnection.log
 npm-debug.log*
+yarn-error.log
 testem.log
+
+# ember-try
+.node_modules.ember-try/
+bower.json.ember-try
+package.json.ember-try

.npmignore

@@ -7,10 +7,15 @@
 .bowerrc
 .editorconfig
 .ember-cli
-.gitignore
 .eslintrc.js
+.gitignore
 .watchmanconfig
 .travis.yml
 bower.json
 ember-cli-build.js
 testem.js
+
+# ember-try
+.node_modules.ember-try/
+bower.json.ember-try
+package.json.ember-try

.travis.yml

@@ -1,29 +1,34 @@
 ---
 language: node_js
 node_js:
-  - "7"
+  # we recommend testing addons with the same minimum supported node version as Ember CLI
+  # so that your addon works for all apps
+  - "4"
 
-dist: trusty
 sudo: false
+dist: trusty
 
 addons:
-  apt:
-    packages:
-     - google-chrome-stable
+  chrome: stable
 
 cache:
   directories:
     - $HOME/.npm
-    - $HOME/.cache # includes bowers cache
 
 env:
-  # we recommend testing LTS's and latest stable release (bonus points to beta/canary)
-  - EMBER_TRY_SCENARIO=ember-lts-2.4
-  - EMBER_TRY_SCENARIO=ember-lts-2.8
-  - EMBER_TRY_SCENARIO=ember-release
-  - EMBER_TRY_SCENARIO=ember-beta
-  - EMBER_TRY_SCENARIO=ember-canary
-  - EMBER_TRY_SCENARIO=ember-default
+  global:
+    # See https://git.io/vdao3 for details.
+    - JOBS=1
+  matrix:
+    # we recommend new addons test the current and previous LTS
+    # as well as latest stable release (bonus points to beta/canary)
+    - EMBER_TRY_SCENARIO=ember-lts-2.12
+    - EMBER_TRY_SCENARIO=ember-lts-2.16
+    - EMBER_TRY_SCENARIO=ember-lts-2.18
+    - EMBER_TRY_SCENARIO=ember-release
+    - EMBER_TRY_SCENARIO=ember-beta
+    - EMBER_TRY_SCENARIO=ember-canary
+    - EMBER_TRY_SCENARIO=ember-default
 
 matrix:
   fast_finish: true
@@ -32,20 +37,11 @@ matrix:
 
 before_install:
   - npm config set spin false
-  - npm install -g bower phantomjs-prebuilt
-  - bower --version
-  - phantomjs --version
-
-install:
-  - npm install
-  - bower install
-
-before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 3 # give xvfb some time to start
+  - npm install -g npm@4
+  - npm --version
 
 script:
+  - npm run lint:js
   # Usually, it's ok to finish the test scenario without reverting
   #  to the addon's original dependency state, skipping "cleanup".
-  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO test --skip-cleanup
+  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO --skip-cleanup

LICENSE.md

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017
+Copyright (c) 2018
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

README.md

@@ -90,23 +90,35 @@ Use this component to render what goes inside the expanded content area.
 Use this component to render what goes inside the expanded footer area.
 
 
-## Credits
+Contributing
+------------------------------------------------------------------------------
 
-This addon was inspired by [angular-material-expansion-panel](https://github.com/B-3PO/angular-material-expansion-panel) project.
+### Installation
 
-## Running
+* `git clone <repository-url>`
+* `cd my-addon`
+* `npm install`
 
-* `ember serve`
-* Visit your app at [http://localhost:4200](http://localhost:4200).
+### Linting
+
+* `npm run lint:js`
+* `npm run lint:js -- --fix`
 
-## Running Tests
+### Running tests
 
-* `npm test` (Runs `ember try:each` to test your addon against multiple Ember versions)
-* `ember test`
-* `ember test --server`
+* `ember test` – Runs the test suite on the current Ember version
+* `ember test --server` – Runs the test suite in "watch mode"
+* `ember try:each` – Runs the test suite against multiple Ember versions
 
-## Building
+### Running the dummy application
 
-* `ember build`
+* `ember serve`
+* Visit the dummy application at [http://localhost:4200](http://localhost:4200).
 
 For more information on using ember-cli, visit [https://ember-cli.com/](https://ember-cli.com/).
+
+License
+------------------------------------------------------------------------------
+
+This project is licensed under the [MIT License](LICENSE.md).
+

addon/components/paper-expansion-panel.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../templates/components/paper-expansion-panel';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,
@@ -11,12 +10,16 @@ export default Component.extend({
 
   expand() {
     this.set('expanded', true);
-    this.sendAction('onExpandedChange', true);
+    if (this.get('onExpandedChange')) {
+      this.get('onExpandedChange')(true);
+    }
   },
 
   collapse() {
     this.set('expanded', false);
-    this.sendAction('onExpandedChange', false);
+    if (this.get('onExpandedChange')) {
+      this.get('onExpandedChange')(false);
+    }
   },
 
   keyDown(ev) {

addon/components/paper-expansion-panel/collapsed.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../templates/components/paper-expansion-panel/collapsed';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,

addon/components/paper-expansion-panel/expanded.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../templates/components/paper-expansion-panel/expanded';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,

addon/components/paper-expansion-panel/expanded/content.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../../templates/components/paper-expansion-panel/expanded/content';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,

addon/components/paper-expansion-panel/expanded/footer.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../../templates/components/paper-expansion-panel/expanded/footer';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,

addon/components/paper-expansion-panel/expanded/header.js

@@ -1,6 +1,5 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../../templates/components/paper-expansion-panel/expanded/header';
-const { Component } = Ember;
 
 export default Component.extend({
   layout,