Drop support for Node 13; Drop support for Ember < 3.12; Update ember-cli blueprint to latest;

.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

@@ -1,52 +1,54 @@
+'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
-  },
-  rules: {
+    browser: true,
   },
+  rules: {},
   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'
+        'tests/dummy/config/**/*.js',
       ],
       excludedFiles: [
         'addon/**',
         'addon-test-support/**',
         'app/**',
-        'tests/dummy/app/**'
+        'tests/dummy/app/**',
       ],
       parserOptions: {
         sourceType: 'script',
-        ecmaVersion: 2015
       },
       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'],
+    },
+  ],
 };

.gitignore

@@ -1,24 +1,27 @@
 # See https://help.github.com/ignore-files/ for more about ignoring files.
 
 # compiled output
-/dist
-/tmp
+/dist/
+/tmp/
 
 # dependencies
-/node_modules
-/bower_components
+/bower_components/
+/node_modules/
 
 # misc
 /.eslintcache
+/.env*
+/.pnp*
 /.sass-cache
+/.eslintcache
 /connect.lock
-/coverage/*
+/coverage/
 /libpeerconnection.log
-npm-debug.log*
-yarn-error.log
-testem.log
+/npm-debug.log*
+/testem.log
+/yarn-error.log
 
 # ember-try
-.node_modules.ember-try/
-bower.json.ember-try
-package.json.ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

.npmignore

@@ -1,21 +1,33 @@
-/bower_components
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+
+# misc
+/.bowerrc
+/.editorconfig
+/.ember-cli
+/.env*
+/.eslintcache
+/.eslintignore
+/.eslintrc.js
+/.git/
+/.gitignore
+/.template-lintrc.js
+/.travis.yml
+/.watchmanconfig
+/bower.json
 /config/ember-try.js
-/dist
-/tests
-/tmp
-**/.gitkeep
-.bowerrc
-.editorconfig
-.ember-cli
-.eslintrc.js
-.gitignore
-.watchmanconfig
-.travis.yml
-bower.json
-ember-cli-build.js
-testem.js
+/CONTRIBUTING.md
+/ember-cli-build.js
+/testem.js
+/tests/
+/yarn.lock
+.gitkeep
 
 # ember-try
-.node_modules.ember-try/
-bower.json.ember-try
-package.json.ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

.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

@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = {
+  extends: 'octane',
+
+  rules: {
+    'no-implicit-this': { allow: ['app-version'] },
+  },
+};

.travis.yml

@@ -5,8 +5,7 @@ node_js:
   # so that your addon works for all apps
   - "10"
 
-sudo: false
-dist: trusty
+dist: xenial
 
 addons:
   chrome: stable
@@ -18,31 +17,46 @@ env:
   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:
+
+branches:
+  only:
+    - master
+    # npm version tags
+    - /^v\d+\.\d+\.\d+/
+
+jobs:
   fast_finish: true
   allow_failures:
     - env: EMBER_TRY_SCENARIO=ember-canary
 
+  include:
+    # runs linting and tests with current locked deps
+    - stage: "Tests"
+      name: "Tests"
+      script:
+        - yarn lint
+        - yarn test:ember
+
+    - stage: "Additional Tests"
+      name: "Floating Dependencies"
+      install:
+        - yarn install --no-lockfile --non-interactive
+      script:
+        - yarn test:ember
+
+    # we recommend new addons test the current and previous LTS
+    # as well as latest stable release (bonus points to beta/canary)
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.16
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.20
+    - env: EMBER_TRY_SCENARIO=ember-release
+    - env: EMBER_TRY_SCENARIO=ember-beta
+    - env: EMBER_TRY_SCENARIO=ember-canary
+    - env: EMBER_TRY_SCENARIO=ember-default-with-jquery
+    - env: EMBER_TRY_SCENARIO=ember-classic
+
 before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash
   - export PATH=$HOME/.yarn/bin:$PATH
 
-install:
-  - yarn install --no-lockfile --non-interactive
-
 script:
-  - yarn 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 --skip-cleanup
+  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO

CONTRIBUTING.md

@@ -0,0 +1,26 @@
+# How To Contribute
+
+## Installation
+
+* `git clone https://github.com/ember-cli/ember-addon-output.git`
+* `cd ember-cli-app-version`
+* `yarn install`
+
+## Linting
+
+* `yarn lint:hbs`
+* `yarn lint:js`
+* `yarn lint:js --fix`
+
+## Running tests
+
+* `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
+
+## Running the dummy application
+
+* `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/).

README.md

@@ -1,8 +1,28 @@
-# ember-cli-app-version [![Build Status](https://travis-ci.org/ember-cli/ember-cli-app-version.svg?branch=master)](https://travis-ci.org/ember-cli/ember-cli-app-version) ![[EmberObserver Badge](http://emberobserver.com/addons/ember-cli-app-version)](http://emberobserver.com/badges/ember-cli-app-version.svg)
+ember-cli-app-version [![Build Status](https://travis-ci.org/ember-cli/ember-cli-app-version.svg?branch=master)](https://travis-ci.org/ember-cli/ember-cli-app-version) ![[EmberObserver Badge](http://emberobserver.com/addons/ember-cli-app-version)](http://emberobserver.com/badges/ember-cli-app-version.svg)
+==============================================================================
 
 Adds your Ember App's version to Info tab in Ember Inspector. The version is taken from your project's package.json#version.
 If you add build metadata to the version, this addon will automatically append SHA to the end of the version.
 
+Compatibility
+------------------------------------------------------------------------------
+
+* Ember.js v3.16 or above
+* Ember CLI v2.13 or above
+* Node.js v10 or above
+
+
+Installation
+------------------------------------------------------------------------------
+
+```
+ember install ember-cli-app-version
+```
+
+
+Usage
+------------------------------------------------------------------------------
+
 ![Ember Inspector Info Tab](https://www.evernote.com/shard/s51/sh/c2f52608-bc17-4d5c-ac76-dec044eeb2e2/2f08de0cfb77217502cfc3a9188d84bf/res/3fb1d3d9-d809-48f6-9d3b-6e9a4af29892/skitch.png?resizeSmall&width=832)
 
 ## {{app-version}} helper
@@ -32,19 +52,13 @@ if (process.env.SOURCE_VERSION) {
 }
 ```
 
-## Installation
-
-* ember install ember-cli-app-version
-
-## Running Tests
+Contributing
+------------------------------------------------------------------------------
 
-* `git clone [email protected]:ember-cli/ember-cli-app-version.git`
-* `npm install`
-* `bower install`
-* `ember test`
+See the [Contributing](CONTRIBUTING.md) guide for details.
 
-## Building
 
-* `ember build`
+License
+------------------------------------------------------------------------------
 
-For more information on using ember-cli, visit [http://www.ember-cli.com/](http://www.ember-cli.com/).
+This project is licensed under the [MIT License](LICENSE.md).

addon/initializer-factory.js

@@ -1,14 +1,12 @@
 import Ember from 'ember';
 import { classify } from '@ember/string';
 
-const {
-  libraries
-} = Ember;
+const { libraries } = Ember;
 
 export default function initializerFactory(name, version) {
   let registered = false;
 
-  return function() {
+  return function () {
     if (!registered && name && version) {
       let appName = classify(name);
       libraries.register(appName, version);