Update ember to 5.5, drop Nodes below 18, drop Mocha support

.ember-cli

@@ -1,9 +1,7 @@
 {
   /**
-    Ember CLI sends analytics information by default. The data is completely
-    anonymous, but there are times when you might want to disable this behavior.
-
-    Setting `disableAnalytics` to true will prevent any data from being sent.
+    Setting `isTypeScriptProject` to true will force the blueprint generators to generate TypeScript
+    rather than JavaScript by default, when a TypeScript version of a given blueprint is available.
   */
-  "disableAnalytics": false
+  "isTypeScriptProject": false
 }

.eslintignore

@@ -1,20 +1,13 @@
 # unconventional js
 /blueprints/*/files/
-/vendor/
 
 # compiled output
 /dist/
-/tmp/
-
-# dependencies
-/bower_components/
-/node_modules/
 
 # misc
 /coverage/
 !.*
+.*/
 
 # ember-try
 /.node_modules.ember-try/
-/bower.json.ember-try
-/package.json.ember-try

.eslintrc.js

@@ -2,12 +2,15 @@
 
 module.exports = {
   root: true,
-  parser: 'babel-eslint',
+  parser: '@babel/eslint-parser',
   parserOptions: {
-    ecmaVersion: 2018,
+    ecmaVersion: 'latest',
     sourceType: 'module',
-    ecmaFeatures: {
-      legacyDecorators: true,
+    requireConfigFile: false,
+    babelOptions: {
+      plugins: [
+        ['@babel/plugin-proposal-decorators', { decoratorsBeforeExport: true }],
+      ],
     },
   },
   plugins: ['ember'],
@@ -24,25 +27,20 @@ module.exports = {
     // node files
     {
       files: [
-        '.eslintrc.js',
-        '.prettierrc.js',
-        '.template-lintrc.js',
-        'ember-cli-build.js',
-        'index.js',
-        'testem.js',
-        'testem.multiple-test-page.js',
-        'testem.no-test-page.js',
-        'testem.simple-test-page.js',
-        'blueprints/*/index.js',
-        'config/**/*.js',
-        'tests/dummy/config/**/*.js',
-        'lib/**/*',
-      ],
-      excludedFiles: [
-        'addon/**',
-        'addon-test-support/**',
-        'app/**',
-        'tests/dummy/app/**',
+        './.eslintrc.js',
+        './.prettierrc.js',
+        './.stylelintrc.js',
+        './.template-lintrc.js',
+        './ember-cli-build.js',
+        './index.js',
+        './testem.js',
+        './testem.multiple-test-page.js',
+        './testem.no-test-page.js',
+        './testem.simple-test-page.js',
+        './blueprints/*/index.js',
+        './config/**/*.js',
+        './tests/dummy/config/**/*.js',
+        './lib/**/*',
       ],
       parserOptions: {
         sourceType: 'script',
@@ -51,8 +49,7 @@ module.exports = {
         browser: false,
         node: true,
       },
-      plugins: ['node'],
-      extends: ['plugin:node/recommended'],
+      extends: ['plugin:n/recommended'],
     },
     {
       files: ['node-tests/**/*'],
@@ -62,7 +59,6 @@ module.exports = {
       },
       env: {
         node: true,
-        mocha: true,
       },
       rules: {
         'ember/no-test-support-import': 'off',

.github/workflows/ci.yml

@@ -6,11 +6,15 @@ on:
   pull_request:
     branches: [ master ]
 
+concurrency:
+  group: ci-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test:
     name: Tests
     runs-on: ubuntu-latest
+    timeout-minutes: 10
 
     steps:
       - uses: actions/checkout@v2
@@ -22,6 +26,7 @@ jobs:
   floating-dependencies:
     name: "Floating Dependencies"
     runs-on: ubuntu-latest
+    timeout-minutes: 10
 
     steps:
       - uses: actions/checkout@v2
@@ -31,34 +36,27 @@ jobs:
 
   try-scenarios:
     name: "Try: ${{ matrix.ember-try-scenario }}"
-
     runs-on: ubuntu-latest
-
+    timeout-minutes: 10
     needs: test
 
     strategy:
       fail-fast: false
       matrix:
         ember-try-scenario:
-          - ember-default-with-jquery
-          - ember-default-with-mocha
-          - ember-classic
           - embroider-safe
-          - embroider-safe-with-mocha
           - embroider-optimized
-          - embroider-optimized-with-mocha
-          - ember-lts-3.24
-          - ember-lts-3.20
+          - ember-lts-4.8
+          - ember-lts-4.12
           - ember-release
           - ember-beta
           - ember-canary
-          - ember-qunit-4
 
     steps:
       - uses: actions/checkout@v2
       - uses: volta-cli/action@v1
         with:
-          node-version: 12.x
+          node-version: 18
       - name: install dependencies
         run: yarn install --frozen-lockfile
       - name: test

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 18
           registry-url: 'https://registry.npmjs.org'
 
       - run: yarn install

.gitignore

@@ -1,16 +1,15 @@
-# See https://help.github.com/ignore-files/ for more about ignoring files.
-
 # compiled output
 /dist/
-/tmp/
+/declarations/
 
 # dependencies
-/bower_components/
 /node_modules/
 
 # misc
-/.sass-cache
 /connect.lock
+/.env*
+/.pnp*
+/.eslintcache
 /coverage/
 /libpeerconnection.log
 /npm-debug.log*
@@ -19,6 +18,11 @@
 
 # ember-try
 /.node_modules.ember-try/
-/bower.json.ember-try
+/npm-shrinkwrap.json.ember-try
 /package.json.ember-try
 /.nyc_output/
+/package-lock.json.ember-try
+/yarn.lock.ember-try
+
+# broccoli-debug
+/DEBUG/

.npmignore

@@ -2,14 +2,23 @@
 /dist/
 /tmp/
 
-# dependencies
-/bower_components/
-
 # misc
-.eslintrc
-/.*
-/bin/
-/bower.json
+/.editorconfig
+/.ember-cli
+/.env*
+/.eslintcache
+/.eslintignore
+/.eslintrc.js
+/.git/
+/.github/
+/.gitignore
+/.prettierignore
+/.prettierrc.js
+/.stylelintignore
+/.stylelintrc.js
+/.template-lintrc.js
+/.travis.yml
+/.watchmanconfig
 /CHANGELOG.md
 /CONTRIBUTING.md
 /config/
@@ -24,7 +33,8 @@
 
 # ember-try
 /.node_modules.ember-try/
-/bower.json.ember-try
+/npm-shrinkwrap.json.ember-try
 /package.json.ember-try
 /.nyc_output/
-/config/addon-docs.js
+/package-lock.json.ember-try
+/yarn.lock.ember-try

.prettierignore

@@ -1,25 +1,13 @@
 # unconventional js
 /blueprints/*/files/
-/vendor/
 
 # compiled output
 /dist/
-/tmp/
-
-# dependencies
-/bower_components/
-/node_modules/
 
 # misc
 /coverage/
 !.*
-.eslintcache
-.lint-todo/
+.*/
 
 # ember-try
 /.node_modules.ember-try/
-/bower.json.ember-try
-/npm-shrinkwrap.json.ember-try
-/package.json.ember-try
-/package-lock.json.ember-try
-/yarn.lock.ember-try

.prettierrc.js

@@ -1,5 +1,12 @@
 'use strict';
 
 module.exports = {
-  singleQuote: true,
+  overrides: [
+    {
+      files: '*.{js,ts}',
+      options: {
+        singleQuote: true,
+      },
+    },
+  ],
 };

.stylelintignore

@@ -0,0 +1,8 @@
+# unconventional files
+/blueprints/*/files/
+
+# compiled output
+/dist/
+
+# addons
+/.node_modules.ember-try/

.stylelintrc.js

@@ -0,0 +1,8 @@
+'use strict';
+
+module.exports = {
+  extends: ['stylelint-config-standard', 'stylelint-prettier/recommended'],
+  rules: {
+    'selector-class-pattern': null,
+  },
+};

.watchmanconfig

@@ -1,3 +1,3 @@
 {
-  "ignore_dirs": ["tmp", "dist"]
+  "ignore_dirs": ["dist"]
 }

CONTRIBUTING.md

@@ -14,14 +14,14 @@
 
 ## Running tests
 
-- `ember test` – Runs the test suite on the current Ember version
-- `ember test --server` – Runs the test suite in "watch mode"
+- `yarn test:ember` – Runs the test suite on the current Ember version
+- `yarn test:ember --server` – Runs the test suite in "watch mode"
 - `yarn test:node` - Runs the node tests
 - `yarn test:all` – Runs the test suite against multiple Ember versions
 
 ## Running the dummy application
 
-- `ember serve`
+- `yarn start`
 - 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://cli.emberjs.com/release/](https://cli.emberjs.com/release/).