Move library to ES module (#48)

* Move library to ES module

* Modernize library

* Collect coverage

* Bump grunt version

* Remove node-jsdom

* Add new key

* Run saucelab

* Switch coverage folder

* Include async

* Temp comment out ie8

* Enable full test

* Update AugmentedEvent.js

* Update Gruntfile.js

* Fix async file path

* Use chrome to debug

* Enable modern browser

* Polyfill old browser

* Push new file

* Update browser list

* Other platform doesnt really run

* Test IE 11

* Replace arrow function

* Support IE

* Replace arrow function

* debug IE 11

* Compile spec file

* Make IE 11 works

* Publish es module

* prettier

* Add Node 10

.eslintrc.js

@@ -0,0 +1,14 @@
+module.exports = {
+  extends: ['eslint-config-airbnb-base', 'eslint-config-airbnb-base/rules/strict'].map(
+    require.resolve
+  ),
+  rules: {
+    'comma-dangle': 0,
+    'no-underscore-dangle': 0,
+    'no-param-reassign': 0,
+    'no-plusplus': 0,
+    'no-func-assign': 0,
+    'no-use-before-define': 0,
+    'func-names': 0
+  }
+};

.gitignore

@@ -5,8 +5,11 @@ coverage/
 node_modules/
 tmp/
 dist/
+dist-es/
 *.log
 *.tap
 tests/functional/css
 tests/functional/bundle.js
 tests/functional/subscribe-functional.js
+tests/functional/subscribe.spec.js
+.nyc_output

.travis.yml

@@ -1,7 +1,9 @@
 sudo: false
 language: node_js
 node_js:
-  - "0.12"
+  - "6"
+  - "8"
+  - "10"
 after_success:
   - "npm run func"
-  - "cat artifacts/lcov.info | ./node_modules/coveralls/bin/coveralls.js"
+  - "cat coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"