Rename module variable to module_es2015

"module" will be used by "require". So even if you don't use ES5 the ES5 file will be excluded.

Fixes #15

build.js

@@ -17,14 +17,14 @@ rollup({
   entry: 'src/vanilla-tilt.js',
   plugins: [
     nodeResolve({
-      module: true,
+      module_es2015: true,
       jsnext: true,
       main: true,
     })
   ],
   external: external
 }).then(bundle => bundle.write({
-  dest: pkg.module,
+  dest: pkg.module_es2015,
   format: 'es'
 })).catch(err => console.log(err.stack));
 
@@ -32,7 +32,7 @@ rollup({
   entry: 'src/vanilla-tilt.js',
   plugins: [
     nodeResolve({
-      module: true,
+      module_es2015: true,
       jsnext: true,
       main: true,
     }),
@@ -53,7 +53,7 @@ rollup({
   entry: 'src/vanilla-tilt.js',
   plugins: [
     nodeResolve({
-      module: true,
+      module_es2015: true,
       jsnext: true,
       main: true,
     })
@@ -78,7 +78,7 @@ rollup({
   entry: 'src/vanilla-tilt.js',
   plugins: [
     nodeResolve({
-      module: true,
+      module_es2015: true,
       jsnext: true,
       main: true
     }),

lib/README.md

@@ -59,6 +59,12 @@ You can copy and include any of the following file:
 * [dist/vanilla-tilt.babel.js](https://raw.githubusercontent.com/micku7zu/vanilla-tilt.js/master/dist/vanilla-tilt.babel.js) ~ 8.5kb
 * [dist/vanilla-tilt.babel.min.js](https://raw.githubusercontent.com/micku7zu/vanilla-tilt.js/master/dist/vanilla-tilt.babel.min.js) ~ 4.3kb
 
+Also available on npm https://www.npmjs.com/package/vanilla-tilt
+
+```
+npm install vanilla-tilt
+```
+
 ### Credits
 
 Original library: [Tilt.js](http://gijsroge.github.io/tilt.js/)

package.json

@@ -3,7 +3,7 @@
   "version": "1.3.0",
   "description": "A smooth 3D tilt javascript library forked from Tilt.js",
   "main": "lib/vanilla-tilt.js",
-  "module": "lib/vanilla-tilt.es2015.js",
+  "module_es2015": "lib/vanilla-tilt.es2015.js",
   "jsnext:main": "lib/vanilla-tilt.es2015.js",
   "distrib": "dist/vanilla-tilt.js",
   "scripts": {