feat(breaking): upgrade to ember 3.28

.editorconfig

@@ -4,7 +4,6 @@
 
 root = true
 
-
 [*]
 end_of_line = lf
 charset = utf-8
@@ -13,22 +12,8 @@ insert_final_newline = true
 indent_style = space
 indent_size = 2
 
-[*.js]
-indent_style = space
-indent_size = 2
-
 [*.hbs]
 insert_final_newline = false
-indent_style = space
-indent_size = 2
-
-[*.css]
-indent_style = space
-indent_size = 2
-
-[*.html]
-indent_style = space
-indent_size = 2
 
 [*.{diff,md}]
 trim_trailing_whitespace = false

.eslintignore

@@ -0,0 +1,22 @@
+# 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

.eslintrc.js

@@ -1,13 +1,56 @@
+'use strict';
+
 module.exports = {
   root: true,
+  parser: 'babel-eslint',
   parserOptions: {
-    ecmaVersion: 2017,
-    sourceType: 'module'
+    ecmaVersion: 2018,
+    sourceType: 'module',
+    ecmaFeatures: {
+      legacyDecorators: true,
+    },
   },
-  extends: 'eslint:recommended',
+  plugins: ['ember'],
+  extends: [
+    'eslint:recommended',
+    'plugin:ember/recommended',
+    'plugin:prettier/recommended',
+  ],
   env: {
-    browser: true
+    browser: true,
   },
-  rules: {
-  }
+  rules: {},
+  overrides: [
+    // node files
+    {
+      files: [
+        './.eslintrc.js',
+        './.prettierrc.js',
+        './.template-lintrc.js',
+        './ember-cli-build.js',
+        './lib/environment-config.js',
+        './index.js',
+        './testem.js',
+        './blueprints/*/index.js',
+        './config/**/*.js',
+        './node-tests/**/*.js',
+        './tests/.eslintrc.js',
+        './tests/dummy/config/**/*.js',
+      ],
+      parserOptions: {
+        sourceType: 'script',
+      },
+      env: {
+        browser: false,
+        node: true,
+      },
+      plugins: ['node'],
+      extends: ['plugin:node/recommended'],
+    },
+    {
+      // Test files:
+      files: ['tests/**/*-test.{js,ts}'],
+      extends: ['plugin:qunit/recommended'],
+    },
+  ],
 };

.github/workflows/ci.yml

@@ -0,0 +1,134 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request: {}
+
+concurrency:
+   group: ci-${{ github.head_ref || github.ref }}
+   cancel-in-progress: true
+
+jobs:
+  test:
+    name: "Tests"
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: 12.x
+
+      - name: Get package manager's global cache path
+        id: global-cache-dir-path
+        run: echo "::set-output name=dir::$(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: Test Ember
+        run: yarn test:ember
+
+      - name: Test Node
+        run: yarn test:node
+
+  floating:
+    name: "Floating Dependencies"
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 12.x
+
+      - 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 }}-floating-deps
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.node-version }}-
+
+      - name: Install Dependencies
+        run: yarn install --no-lockfile --non-interactive
+
+      - name: Test Ember
+        run: yarn test:ember
+
+      - name: Test Node
+        run: yarn test:node
+
+  try-scenarios:
+    name: ${{ matrix.try-scenario }}
+    runs-on: ubuntu-latest
+    needs: 'test'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        try-scenario:
+          - ember-lts-3.24
+          - ember-lts-3.28
+          - ember-release
+          - ember-beta
+          - ember-canary
+          - ember-classic
+          - ember-default-with-jquery
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: 12.x
+
+      - name: Get package manager's global cache path
+        id: global-cache-dir-path
+        run: echo "::set-output name=dir::$(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: Run Tests
+        run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}

.gitignore

@@ -1,17 +1,26 @@
 # 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
+/.env*
+/.pnp*
 /.sass-cache
+/.eslintcache
 /connect.lock
-/coverage/*
+/coverage/
 /libpeerconnection.log
-npm-debug.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

.npmignore

@@ -1,16 +1,36 @@
-/bower_components
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+
+# misc
+/.bowerrc
+/.editorconfig
+/.ember-cli
+/.env*
+/.eslintcache
+/.eslintignore
+/.eslintrc.js
+/.git/
+/.gitignore
+/.prettierignore
+/.prettierrc.js
+/.template-lintrc.js
+/.travis.yml
+/.watchmanconfig
+/bower.json
 /config/ember-try.js
-/dist
-/tests
-/tmp
-**/.gitkeep
-.bowerrc
-.editorconfig
-.ember-cli
-.gitignore
-.eslintrc.js
-.watchmanconfig
-.travis.yml
-bower.json
-ember-cli-build.js
-testem.js
+/CONTRIBUTING.md
+/ember-cli-build.js
+/testem.js
+/tests/
+/yarn-error.log
+/yarn.lock
+.gitkeep
+
+# 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 +1,5 @@
+'use strict';
+
+module.exports = {
+  extends: 'recommended',
+};