Update to latest ember. Tests pass

Author: cibernox

.eslintignore

@@ -14,6 +14,7 @@
 # misc
 /coverage/
 !.*
+.eslintcache
 
 # ember-try
 /.node_modules.ember-try/

.eslintrc.js

@@ -7,53 +7,48 @@ module.exports = {
     ecmaVersion: 2018,
     sourceType: 'module',
     ecmaFeatures: {
-      legacyDecorators: true
-    }
+      legacyDecorators: true,
+    },
   },
-  plugins: [
-    'ember'
-  ],
+  plugins: ['ember'],
   extends: [
     'eslint:recommended',
-    'plugin:ember/recommended'
+    'plugin:ember/recommended',
+    'plugin:prettier/recommended',
   ],
   env: {
-    browser: true
-  },
-  rules: {
-    'ember/no-jquery': 'error',
-    'ember/no-get': 'off',
+    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'
+        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'],
+    },
+  ],
 };

.gitignore

@@ -12,6 +12,7 @@
 /.env*
 /.pnp*
 /.sass-cache
+/.eslintcache
 /connect.lock
 /coverage/
 /libpeerconnection.log

.npmignore

@@ -10,10 +10,13 @@
 /.editorconfig
 /.ember-cli
 /.env*
+/.eslintcache
 /.eslintignore
 /.eslintrc.js
 /.git/
 /.gitignore
+/.prettierignore
+/.prettierrc.js
 /.template-lintrc.js
 /.travis.yml
 /.watchmanconfig

.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

@@ -1,8 +1,5 @@
 'use strict';
 
 module.exports = {
-  extends: 'recommended',
-  rules: {
-    'no-html-comments': false
-  }
+  extends: 'octane',
 };

.travis.yml

@@ -0,0 +1,64 @@
+---
+language: node_js
+node_js:
+  # we recommend testing addons with the same minimum supported node version as Ember CLI
+  # so that your addon works for all apps
+  - "10"
+
+dist: xenial
+
+addons:
+  chrome: stable
+
+cache:
+  yarn: true
+
+env:
+  global:
+    # See https://git.io/vdao3 for details.
+    - JOBS=1
+
+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
+    - env: EMBER_TRY_SCENARIO=embroider-safe
+    - env: EMBER_TRY_SCENARIO=embroider-optimized
+
+before_install:
+  - curl -o- -L https://yarnpkg.com/install.sh | bash
+  - export PATH=$HOME/.yarn/bin:$PATH
+
+script:
+  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO

CONTRIBUTING.md

@@ -8,9 +8,8 @@
 
 ## Linting
 
-* `yarn lint:hbs`
-* `yarn lint:js`
-* `yarn lint:js --fix`
+* `yarn lint`
+* `yarn lint:fix`
 
 ## Running tests
 

README.md

@@ -6,10 +6,7 @@ This addon lets you populate `<head>` tag from your Ember code without any direc
 
 The hope is that, in the future, Ember will provide a mechanism for populating `<head>` tag from your app. Until then, this addon provides that functionality.
 
-
-## Compatibility
-
-* Ember.js v2.18 or above
+* Ember.js v3.16 or above
 * Ember CLI v2.13 or above
 * Node.js v10 or above