better webpack support

Gruntfile.js

@@ -23,15 +23,16 @@ module.exports = function(grunt) {
 
     clean: {
       dist: 'dist',
-      build: 'build'
+      build: 'build',
+      version: 'src/version'
     },
 
     filegen: {
       version: {
         options: {
-          content: "'use strict';module.exports='<%= pkg.version %>';"
+          content: "'use strict';module.exports='<%= pkg.version %>';\n"
         },
-        dest: '<%= clean.build %>/version.js'
+        dest: '<%= clean.version %>/index.js'
       }
     },
 
@@ -245,4 +246,4 @@ module.exports = function(grunt) {
   grunt.registerTask('release:major', ['bump-only:major', 'default', 'bump-commit']);
 
   grunt.registerTask('default', ['jsonlint', 'bower', 'clean', 'filegen:version', 'test', 'dist', 'minify', 'compress']);
-};
+};

README.md

@@ -49,6 +49,24 @@ Download the latest release [https://github.com/andredumas/techan.js/releases/la
 npm install --save techan
 ```
 
+#### Webpack (ES6)
+```javascript
+// webpack.config.js
+config = {
+    ...,
+    resolve: {
+        ...,
+        alias: {
+            'techan': path.resolve('node_modules/techan/src/techan.js')
+        }
+    }
+}
+
+// usage
+import * as d3 from 'd3';
+import techan from 'techan';
+```
+
 ### Bower Dependency
 
 ```
@@ -105,4 +123,4 @@ docker build -t andredumas/techan.js .
 docker run --rm -it -p 8000:8000 andredumas/techan.js
 ```
 
-As above, browse to [http://localhost:8000/examples/](http://localhost:8000/examples/) to see the examples.
+As above, browse to [http://localhost:8000/examples/](http://localhost:8000/examples/) to see the examples.

src/techan.js

@@ -3,13 +3,18 @@
 var _d3;
 
 // If running in browser (window !undefined) and d3 available
-if('undefined' != typeof window && window.d3) _d3 = window.d3;
-else if('object' == typeof module) _d3 = require('d3'); // else we're in the only other supported mode: v8/node
-else throw "Unsupported runtime environment: Could not find d3. Ensure defined globally on window, or available as dependency.";
+if('undefined' != typeof window && (window.d3 || 'undefined' != typeof d3)) {
+    _d3 = window.d3 || d3;
+}
+// else we're in the only other supported mode: v8/node
+else if('object' == typeof module) {
+    _d3 = require('d3');
+}
+else throw "Unsupported runtime environment: Could not find d3. Ensure defined globally (or on window), or available as dependency.";
 
 module.exports = (function(d3) {
   return {
-    version: require('../build/version'),
+    version: require('./version'),
     accessor: require('./accessor')(),
     indicator: require('./indicator')(d3),
     plot: require('./plot')(d3),

src/version/index.js

@@ -0,0 +1 @@
+'use strict';module.exports='0.9.0-0';