Supporting standalone build without bundled es6-promise - #11

Gruntfile.js

@@ -91,7 +91,7 @@ module.exports = function(grunt) {
       devtool: 'source-map'
     };
 
-    ['amd', 'global'].forEach(function (key) {
+    ['amd', 'global', 'amd-standalone', 'global-standalone'].forEach(function (key) {
       webpackConfig[key] = JSON.parse(JSON.stringify(webpackBase));
       webpackConfig[key + '-min'] = JSON.parse(JSON.stringify(webpackBase));
 
@@ -105,12 +105,32 @@ module.exports = function(grunt) {
     webpackConfig['amd'].output.filename = 'axios.amd.js';
     webpackConfig['amd'].output.sourceMapFilename = 'axios.amd.map';
     webpackConfig['amd'].output.libraryTarget = 'amd';
+
+    webpackConfig['amd-standalone'].output.filename = 'axios.amd.standalone.js';
+    webpackConfig['amd-standalone'].output.sourceMapFilename = 'axios.amd.standalone.map';
+    webpackConfig['amd-standalone'].output.libraryTarget = 'amd';
+    webpackConfig['amd-standalone'].externals[0]['es6-promise'] = 'var undefined';
+
     webpackConfig['amd-min'].output.filename = 'axios.amd.min.js';
     webpackConfig['amd-min'].output.sourceMapFilename = 'axios.amd.min.map';
     webpackConfig['amd-min'].output.libraryTarget = 'amd';
+
+    webpackConfig['amd-standalone-min'].output.filename = 'axios.amd.standalone.min.js';
+    webpackConfig['amd-standalone-min'].output.sourceMapFilename = 'axios.amd.standalone.min.map';
+    webpackConfig['amd-standalone-min'].output.libraryTarget = 'amd';
+    webpackConfig['amd-standalone-min'].externals[0]['es6-promise'] = 'var undefined';
+
+    webpackConfig['global-standalone'].output.filename = 'axios.standalone.js';
+    webpackConfig['global-standalone'].output.sourceMapFilename = 'axios.standalone.map';
+    webpackConfig['global-standalone'].externals[0]['es6-promise'] = 'var undefined';
+
     webpackConfig['global-min'].output.filename = 'axios.min.js';
     webpackConfig['global-min'].output.sourceMapFilename = 'axios.min.map';
 
+    webpackConfig['global-standalone-min'].output.filename = 'axios.standalone.min.js';
+    webpackConfig['global-standalone-min'].output.sourceMapFilename = 'axios.standalone.min.map';
+    webpackConfig['global-standalone-min'].externals[0]['es6-promise'] = 'var undefined';
+
     return webpackConfig;
   }
 };