Merge pull request #494 from zixia/master

add default export

README.md

@@ -20,6 +20,7 @@ LevelUP
   * <a href="#basic">Basic usage</a>
   * <a href="#api">API</a>
   * <a href="#promises">Promise Support</a>
+  * <a href="#import">Import with Type Definitions</a>
   * <a href="#events">Events</a>
   * <a href="#extending">Extending LevelUP</a>
   * <a href="#multiproc">Multi-process access</a>
@@ -452,6 +453,26 @@ const main = async () {
 
 --------------------------------------------------------
 
+<a name="import"></a>
+ES6 Import
+----------
+
+We have two ways to import(require) the levelup module in the code.
+
+### 1. By using `require`
+
+```js
+var levelup = require('levelup')
+```
+
+### 2. By using ES6 `import`
+
+```js
+import levelup from 'levelup'
+```
+
+--------------------------------------------------------
+
 <a name="events"></a>
 Events
 ------

lib/levelup.js

@@ -291,4 +291,4 @@ function maybeError (db, callback) {
 }
 
 LevelUP.errors = errors
-module.exports = LevelUP
+module.exports = LevelUP.default = LevelUP