fix(index.js): support commonjs module syntax

Add module.exports syntax for supporting the exporting of main functionality

Author: Tbhesswebber

src/index.js

@@ -4,3 +4,6 @@ import * as parsers from './parsers';
 
 export default objToString;
 export { parsers, createParser };
+module.exports = objToString;
+module.exports.createParser = createParser;
+module.exports.parsers = { ...parsers };

utils/build-utils/webpack.development.js

@@ -4,7 +4,7 @@ module.exports = env => ({
   devtool: 'cheap-eval-source-map',
   output: {
     filename: 'index.umd.js',
-    library: 'styleObjToStr',
+    library: 'styleToCss',
     libraryTarget: 'umd',
   },
 });

utils/build-utils/webpack.production.js

@@ -2,5 +2,7 @@
 module.exports = env => ({
   output: {
     filename: 'index.min.js',
+    library: 'styleToCss',
+    libraryTarget: 'umd',
   },
 });