Update Ember, drop support for Ember < 3.16, migrate tests to QUnit

.editorconfig

@@ -4,7 +4,6 @@
 
 root = true
 
-
 [*]
 end_of_line = lf
 charset = utf-8

.eslintignore

@@ -13,6 +13,7 @@
 # misc
 /coverage/
 !.*
+.eslintcache
 
 # ember-try
 /.node_modules.ember-try/

.eslintrc.js

@@ -1,75 +1,82 @@
+'use strict';
+
 module.exports = {
   root: true,
+  parser: 'babel-eslint',
   parserOptions: {
-    ecmaVersion: 2017,
-    sourceType: 'module'
+    ecmaVersion: 2018,
+    sourceType: 'module',
+    ecmaFeatures: {
+      legacyDecorators: true,
+    },
   },
-  plugins: [
-    'ember'
-  ],
+  plugins: ['ember'],
   extends: [
     'eslint:recommended',
-    'plugin:ember/recommended'
+    'plugin:ember/recommended',
+    'plugin:prettier/recommended',
   ],
   env: {
-    browser: true
+    browser: true,
   },
   rules: {
-    'ember/no-jquery': 2
+    'ember/no-mixins': 'warn',
+    'ember/no-new-mixins': 'warn',
+    'ember/no-classic-classes': 'warn',
+    'ember/no-classic-components': 'warn',
+    'ember/require-tagless-components': 'warn',
   },
   overrides: [
     // node files
     {
       files: [
         '.eslintrc.js',
+        '.prettierrc.js',
         '.template-lintrc.js',
         'ember-cli-build.js',
         'index.js',
         'testem.js',
         'blueprints/*/index.js',
         'config/**/*.js',
         'tests/dummy/config/**/*.js',
-        'broccoli-image-writer.js'
+        'broccoli-image-writer.js',
       ],
       excludedFiles: [
         'addon/**',
         'addon-test-support/**',
         'app/**',
-        'tests/dummy/app/**'
+        'tests/dummy/app/**',
       ],
       parserOptions: {
-        sourceType: 'script'
+        sourceType: 'script',
       },
       env: {
         browser: false,
-        node: true
+        node: true,
       },
       plugins: ['node'],
-      rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
-        // add your custom rules and overrides for node files here
-      })
+      extends: ['plugin:node/recommended'],
     },
-
     // node test files
     {
-      files: [
-        'addon-tests/**/*.js',
-        'fastboot-tests/**/*.js'
-      ],
+      files: ['addon-tests/**/*.js', 'fastboot-tests/**/*.js'],
       parserOptions: {
         sourceType: 'script',
-        ecmaVersion: 2015
       },
       env: {
         browser: false,
         node: true,
-        mocha: true
+        mocha: true,
       },
       plugins: ['node'],
-      rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
-        'ember/no-jquery': 'off',
-        'ember/no-global-jquery': 'off'
-      })
-    }
-  ]
+      rules: Object.assign(
+        {},
+        require('eslint-plugin-node').configs.recommended.rules,
+        {
+          'ember/no-jquery': 'off',
+          'ember/no-global-jquery': 'off',
+        }
+      ),
+    },
+  ],
 };

.github/workflows/ci.yml

@@ -69,23 +69,8 @@ jobs:
       id: global-cache-dir-path
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
-    - name: Cache package manager's global cache and node_modules
-      id: cache-dependencies
-      uses: actions/cache@v2
-      with:
-        path: |
-          ${{ steps.global-cache-dir-path.outputs.dir }}
-          node_modules
-        key: ${{ runner.os }}-${{ matrix.node-version }}-${{
-          hashFiles('**/yarn.lock'
-          ) }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.node-version }}-
-
-    - name: Install Dependencies
-      run: yarn install --frozen-lockfile
-      if: |
-        steps.cache-dependencies.outputs.cache-hit != 'true'
+    - name: Install dependencies
+      uses: bahmutov/npm-install@v1
 
     - name: Lint
       run: yarn lint
@@ -110,27 +95,8 @@ jobs:
       with:
         node-version: '${{ env.NODE_VERSION }}'
 
-    - name: Get package manager's global cache path
-      id: global-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-
-    - name: Cache package manager's global cache and node_modules
-      id: cache-dependencies
-      uses: actions/cache@v2
-      with:
-        path: |
-          ${{ steps.global-cache-dir-path.outputs.dir }}
-          node_modules
-        key: ${{ runner.os }}-${{ matrix.node-version }}-${{
-          hashFiles('**/yarn.lock'
-          ) }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.node-version }}-
-
-    - name: Install Dependencies
-      run: yarn install --frozen-lockfile
-      if: |
-        steps.cache-dependencies.outputs.cache-hit != 'true'
+    - name: Install dependencies
+      uses: bahmutov/npm-install@v1
 
     - name: Test
       run: yarn test:ember --launch ${{ matrix.browser }}
@@ -155,23 +121,10 @@ jobs:
       with:
         node-version: '${{ env.NODE_VERSION }}'
 
-    - name: Get package manager's global cache path
-      id: global-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-
-    - name: Cache package manager's global cache and node_modules
-      id: cache-dependencies
-      uses: actions/cache@v2
+    - name: Install dependencies
+      uses: bahmutov/npm-install@v1
       with:
-        path: |
-          ${{ steps.global-cache-dir-path.outputs.dir }}
-          node_modules
-        key: ${{ runner.os }}-${{ matrix.node-version }}-floating-deps
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.node-version }}-
-
-    - name: Install Dependencies
-      run: yarn install --no-lockfile --non-interactive
+        useLockFile: false
 
     - name: Test
       run: yarn test:ember --launch ${{ matrix.browser }}
@@ -187,16 +140,10 @@ jobs:
       fail-fast: true
       matrix:
         ember-try-scenario: [
-          ember-lts-2.16,
-          ember-lts-2.18,
-          ember-lts-3.4,
-          ember-lts-3.8,
-          ember-lts-3.12,
           ember-lts-3.16,
           ember-release,
           ember-beta,
-          ember-default-with-jquery,
-          fastboot-addon-tests
+          ember-default-with-jquery
         ]
         allow-failure: [false]
         include:
@@ -212,27 +159,8 @@ jobs:
       with:
         node-version: '${{ env.NODE_VERSION }}'
 
-    - name: Get package manager's global cache path
-      id: global-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-
-    - name: Cache package manager's global cache and node_modules
-      id: cache-dependencies
-      uses: actions/cache@v2
-      with:
-        path: |
-          ${{ steps.global-cache-dir-path.outputs.dir }}
-          node_modules
-        key: ${{ runner.os }}-${{ matrix.node-version }}-${{
-          hashFiles('**/yarn.lock'
-          ) }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.node-version }}-
-
-    - name: Install Dependencies
-      run: yarn install --frozen-lockfile
-      if: |
-        steps.cache-dependencies.outputs.cache-hit != 'true'
+    - name: Install dependencies
+      uses: bahmutov/npm-install@v1
 
     - name: Test
       env:

.gitignore

@@ -9,7 +9,10 @@
 /node_modules/
 
 # misc
+/.env*
+/.pnp*
 /.sass-cache
+/.eslintcache
 /connect.lock
 /coverage/
 /libpeerconnection.log

.npmignore

@@ -9,8 +9,11 @@
 /.bowerrc
 /.editorconfig
 /.ember-cli
+/.env*
+/.eslintcache
 /.eslintignore
 /.eslintrc.js
+/.git/
 /.gitignore
 /.template-lintrc.js
 /.travis.yml

.prettierignore

@@ -0,0 +1,21 @@
+# unconventional js
+/blueprints/*/files/
+/vendor/
+
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+/node_modules/
+
+# misc
+/coverage/
+!.*
+.eslintcache
+
+# ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

.prettierrc.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  singleQuote: true,
+};

.template-lintrc.js

@@ -1,5 +1,5 @@
 'use strict';
 
 module.exports = {
-  extends: 'recommended'
+  extends: 'octane',
 };

CONTRIBUTING.md

@@ -23,4 +23,4 @@
 * `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/).
+For more information on using ember-cli, visit [https://ember-cli.com/](https://ember-cli.com/).

README.md

@@ -1,8 +1,7 @@
 # ember-responsive-image
 
-[![Build Status](https://travis-ci.org/kaliber5/ember-responsive-image.svg?branch=master)](https://travis-ci.org/kaliber5/ember-responsive-image)
+[![CI](https://github.com/kaliber5/ember-responsive-image/workflows/CI/badge.svg)](https://github.com/kaliber5/ember-responsive-image/actions?query=workflow%3ACI)
 [![npm version](https://badge.fury.io/js/ember-responsive-image.svg)](https://badge.fury.io/js/ember-responsive-image)
-[![Code Climate](https://codeclimate.com/github/kaliber5/ember-responsive-image/badges/gpa.svg)](https://codeclimate.com/github/kaliber5/ember-responsive-image)
 [![Ember Observer Score](https://emberobserver.com/badges/ember-responsive-image.svg)](https://emberobserver.com/addons/ember-responsive-image)
 
 An ember-cli addon to automatically generate resized images and use them in `img` tags with the `srcset` attribute.
@@ -11,6 +10,15 @@ This is very useful for responsive web apps to optimize images for a wide range
 
 Built on top of the awesome [sharp](https://github.com/lovell/sharp) library.
 
+
+Compatibility
+------------------------------------------------------------------------------
+
+* Ember.js v3.16 or above
+* Ember CLI v2.13 or above
+* Node.js v10 or above
+
+
 ## Getting started
 
 ### Install in ember-cli application
@@ -281,3 +289,14 @@ module('Integration: My Image Component', function(hooks) {
   test(...);
 });
 ```
+
+Contributing
+------------------------------------------------------------------------------
+
+See the [Contributing](CONTRIBUTING.md) guide for details.
+
+
+License
+------------------------------------------------------------------------------
+
+This project is licensed under the [MIT License](LICENSE.md).

addon/components/responsive-background.js

@@ -12,5 +12,4 @@ import ResponsiveBackgroundMixin from 'ember-responsive-image/mixins/responsive-
  * @namespace Components
  * @public
  */
-export default Component.extend(ResponsiveBackgroundMixin, {
-});
+export default Component.extend(ResponsiveBackgroundMixin, {});