Updates

.eslintrc.js

@@ -1,5 +1,6 @@
 module.exports = {
   root: true,
+  parser: 'babel-eslint',
   parserOptions: {
     ecmaVersion: 2018,
     sourceType: 'module'
@@ -15,6 +16,7 @@ module.exports = {
     browser: true
   },
   rules: {
+    'ember/no-jquery': 'error'
   },
   overrides: [
     // node files

.npmignore

@@ -12,6 +12,7 @@
 /.env*
 /.eslintignore
 /.eslintrc.js
+/.git/
 /.gitignore
 /.template-lintrc.js
 /.travis.yml

.travis.yml

@@ -51,6 +51,7 @@ jobs:
     - stage: "Additional Tests"
       env: EMBER_TRY_SCENARIO=ember-lts-3.4
     - 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

config/ember-try.js

@@ -4,6 +4,7 @@ const getChannelURL = require('ember-source-channel-url');
 
 module.exports = async function() {
   return {
+    useYarn: true,
     scenarios: [
       {
         name: 'ember-lts-3.4',
@@ -21,6 +22,14 @@ module.exports = async function() {
           }
         }
       },
+      {
+        name: 'ember-lts-3.12',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.12.0'
+          }
+        }
+      },
       {
         name: 'ember-release',
         npm: {

package.json

@@ -30,26 +30,26 @@
     "test:all": "ember try:each"
   },
   "dependencies": {
-    "ember-cli-babel": "^7.8.0",
-    "ember-cli-htmlbars": "^3.1.0"
+    "ember-cli-babel": "^7.11.1",
+    "ember-cli-htmlbars": "^4.0.0"
   },
   "devDependencies": {
-    "@ember/optional-features": "^0.7.0",
+    "@ember/optional-features": "^1.0.0",
+    "babel-eslint": "^10.0.3",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~3.11.0",
+    "ember-cli": "~3.13.1",
     "ember-cli-eslint": "^5.1.0",
-    "ember-cli-htmlbars-inline-precompile": "^2.1.0",
     "ember-cli-template-lint": "^1.0.0-beta.3",
     "ember-disable-prototype-extensions": "^1.1.3",
-    "ember-load-initializers": "^2.0.0",
+    "ember-load-initializers": "^2.1.0",
     "ember-maybe-import-regenerator": "^0.1.6",
-    "ember-qunit": "^4.4.1",
-    "ember-resolver": "^5.1.3",
-    "ember-source": "~3.11.1",
+    "ember-qunit": "^4.5.1",
+    "ember-resolver": "^5.3.0",
+    "ember-source": "~3.13.0",
     "ember-source-channel-url": "^2.0.1",
     "ember-try": "^1.2.1",
-    "eslint-plugin-ember": "^6.7.1",
-    "eslint-plugin-node": "^9.1.0",
+    "eslint-plugin-ember": "^7.1.0",
+    "eslint-plugin-node": "^10.0.0",
     "loader.js": "^4.7.0",
     "qunit-dom": "^0.9.0"
   },

testem.js

@@ -13,7 +13,6 @@ module.exports = {
         // --no-sandbox is needed when running Chrome inside a container
         process.env.CI ? '--no-sandbox' : null,
         '--headless',
-        '--disable-gpu',
         '--disable-dev-shm-usage',
         '--disable-software-rasterizer',
         '--mute-audio',