Reproducing test of tracked + fragmentArray issue

.eslintignore

@@ -8,9 +8,13 @@
 
 # dependencies
 /bower_components/
+/node_modules/
 
 # misc
 /coverage/
+!.*
 
 # ember-try
 /.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

.eslintrc.js

@@ -1,8 +1,12 @@
 module.exports = {
   root: true,
+  parser: 'babel-eslint',
   parserOptions: {
-    ecmaVersion: 2017,
-    sourceType: 'module'
+    ecmaVersion: 2018,
+    sourceType: 'module',
+    ecmaFeatures: {
+      legacyDecorators: true
+    }
   },
   plugins: [
     'ember'
@@ -34,12 +38,13 @@ module.exports = {
     // node files
     {
       files: [
+        '.eslintrc.js',
+        '.template-lintrc.js',
         'ember-cli-build.js',
         'index.js',
         'testem.js',
         'blueprints/*/index.js',
         'config/**/*.js',
-        'lib/**/*.js',
         'tests/dummy/config/**/*.js'
       ],
       excludedFiles: [
@@ -49,8 +54,7 @@ module.exports = {
         'tests/dummy/app/**'
       ],
       parserOptions: {
-        sourceType: 'script',
-        ecmaVersion: 2015
+        sourceType: 'script'
       },
       env: {
         browser: false,
@@ -59,7 +63,6 @@ module.exports = {
       plugins: ['node'],
       rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
         // add your custom rules and overrides for node files here
-        'camelcase': 'off'
       })
     }
   ]

.gitignore

@@ -9,6 +9,8 @@
 /node_modules/
 
 # misc
+/.env*
+/.pnp*
 /.sass-cache
 /connect.lock
 /coverage/

.npmignore

@@ -1,22 +1,32 @@
-/bower_components
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+
+# misc
+/.bowerrc
+/.editorconfig
+/.ember-cli
+/.env*
+/.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
-.gitignore
-.jshintrc
-.watchmanconfig
-.travis.yml
-bower.json
-ember-cli-build.js
-testem.js
-yarn.lock
+/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

.template-lintrc.js

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

.travis.yml

@@ -12,45 +12,50 @@ addons:
   chrome: stable
 
 cache:
-  yarn: true
   directories:
     - $HOME/.npm
 
 env:
   global:
     # See https://git.io/vdao3 for details.
     - JOBS=1
-  matrix:
-    # we recommend new addons test the current and previous LTS
-    # we recommend testing LTS's and latest stable release (bonus points to beta/canary)
-    - EMBER_TRY_SCENARIO=ember-3.5.0
-    - EMBER_TRY_SCENARIO=ember-3.6.0
-    - EMBER_TRY_SCENARIO=ember-3.7.0
-    - EMBER_TRY_SCENARIO=ember-3.8.0
-    - EMBER_TRY_SCENARIO=ember-3.9.0
-    - EMBER_TRY_SCENARIO=ember-3.10.0
-    - EMBER_TRY_SCENARIO=ember-3.11.0
-    - EMBER_TRY_SCENARIO=ember-3.12.0
-    - EMBER_TRY_SCENARIO=ember-3.13.0
-    - EMBER_TRY_SCENARIO=ember-3.14.0
-    - EMBER_TRY_SCENARIO=ember-release
-    - EMBER_TRY_SCENARIO=ember-beta
-    - EMBER_TRY_SCENARIO=ember-canary
-    - EMBER_TRY_SCENARIO=ember-default
-
-matrix:
-  fast_finish: true
+
+branches:
+  only:
+    - master
+    # npm version tags
+    - /^v\d+\.\d+\.\d+/
+
+jobs:
+  fail_fast: true
   allow_failures:
     - env: EMBER_TRY_SCENARIO=ember-canary
-    - env: EMBER_TRY_SCENARIO=ember-beta
 
-before_install:
-  - curl -o- -L https://yarnpkg.com/install.sh | bash
-  - export PATH=$HOME/.yarn/bin:$PATH
-  - yarn --version
+  include:
+    # runs linting and tests with current locked deps
+    - stage: "Tests"
+      name: "Tests"
+      script:
+        - npm run lint:hbs
+        - npm run lint:js
+        - npm test
+
+    - stage: "Additional Tests"
+      name: "Floating Dependencies"
+      install:
+        - npm install --no-package-lock
+      script:
+        - npm test
+
+    # 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-3.8
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.12
+    - 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
 
 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 --skip-cleanup
+  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO

CONTRIBUTING.md

@@ -0,0 +1,26 @@
+# How To Contribute
+
+## Installation
+
+* `git clone <repository-url>`
+* `cd my-addon`
+* `npm install`
+
+## Linting
+
+* `npm run lint:hbs`
+* `npm run lint:js`
+* `npm run 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/).