Convert to an ESM package

Author: zenparsing

.eslintrc.js renamed to .eslintrc

@@ -1,4 +1,4 @@
-module.exports = {
+{
   "extends": ["eslint:recommended"],
 
   "env": {
@@ -44,4 +44,4 @@ module.exports = {
     "array-bracket-spacing": ["error"],
     "max-len": ["error", 100]
   }
-};
+}

.npmignore

@@ -1,2 +1,3 @@
 .DS_Store
 node_modules
+test/

README.md

@@ -1,6 +1,6 @@
 # zen-observable
 
-An implementation of Observables for JavaScript. Requires Promises or a Promise polyfill.
+An implementation of Observables for JavaScript.
 
 ## Install
 

esm.js

@@ -1 +1,5 @@
-module.exports = require('./lib/Observable.js').Observable;
+import { Observable } from './src/Observable.js';
+
+export default Observable;
+export { Observable };
+export * from './src/extras.js';