ember-cli-update to 3.10, drop node 6

.eslintrc.js

@@ -1,7 +1,7 @@
 module.exports = {
   root: true,
   parserOptions: {
-    ecmaVersion: 2017,
+    ecmaVersion: 2018,
     sourceType: 'module'
   },
   plugins: [

.travis.yml

@@ -3,7 +3,7 @@ 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
-  - "6"
+  - "8"
 
 sudo: false
 dist: trusty

README.md

@@ -5,6 +5,15 @@ Ember has been historically coupled to jQuery. As part of
 [RFC294](https://github.com/emberjs/rfcs/blob/master/text/0294-optional-jquery.md#introduce-emberjquery-package)
 jQuery has been made optional and this addon will explicitly add the jQuery integration functionality.
 
+
+Compatibility
+------------------------------------------------------------------------------
+
+* Ember.js v2.18 or above
+* Ember CLI v2.13 or above
+* Node.js v8 or above
+
+
 Installation
 ------------------------------------------------------------------------------
 
@@ -19,6 +28,12 @@ ember install @ember/optional-features
 ember feature:enable jquery-integration
 ``` 
 
+Contributing
+------------------------------------------------------------------------------
+
+See the [Contributing](CONTRIBUTING.md) guide for details.
+
+
 License
 ------------------------------------------------------------------------------
 

package.json

@@ -32,10 +32,10 @@
   "devDependencies": {
     "@ember/optional-features": "^0.7.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~3.9.0",
+    "ember-cli": "~3.10.1",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-eslint": "^5.1.0",
-    "ember-cli-htmlbars": "^3.0.0",
+    "ember-cli-htmlbars": "^3.0.1",
     "ember-cli-htmlbars-inline-precompile": "^2.1.0",
     "ember-cli-inject-live-reload": "^2.0.1",
     "ember-cli-sri": "^2.1.1",
@@ -51,15 +51,15 @@
     "ember-source-channel-url": "^1.1.0",
     "ember-try": "^1.2.1",
     "eslint-plugin-ember": "^6.5.1",
-    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-node": "^9.0.1",
     "lerna-changelog": "^0.8.2",
     "loader.js": "^4.7.0",
     "qunit-dom": "^0.8.5",
     "release-it": "^12.2.1",
     "release-it-lerna-changelog": "^1.0.3"
   },
   "engines": {
-    "node": "6.* || 8.* || >= 10.*"
+    "node": "8.* || >= 10.*"
   },
   "publishConfig": {
     "access": "public",