[fixed] added rules to compile on Makefile.

Makefile

@@ -68,7 +68,11 @@ docs: build-docs
 
 # Rules for build and publish
 
-build:
+compile:
+	@echo "[Compiling source]"
+	babel src --out-dir lib
+
+build: compile
 	@echo "[Building dists]"
 	@./node_modules/.bin/webpack --config webpack.dist.config.js
 
@@ -120,5 +124,8 @@ publish-docs: deps-docs build-docs
 
 publish-all: publish publish-docs
 
-clean:
+clean-sources:
+	@rm -rf lib/* dist/* _book
+
+clean: clean-sources
 	@rm -rf .version .branch ./coverage/*

package.json

@@ -16,12 +16,8 @@
   },
   "scripts": {
     "start": "./node_modules/.bin/webpack-dev-server --inline --host 127.0.0.1 --content-base examples/",
-    "test": "cross-env BABEL_ENV=commonjs NODE_ENV=test karma start",
-    "lint": "eslint lib/",
-    "clean": "rimraf lib es",
-    "build:commonjs": "cross-env BABEL_ENV=commonjs babel src --out-dir lib",
-    "build:es": "cross-env BABEL_ENV=es babel src --out-dir es",
-    "build": "npm run clean && npm run build:commonjs && npm run build:es"
+    "test": "cross-env NODE_ENV=test karma start",
+    "lint": "eslint lib/"
   },
   "authors": [
     "Ryan Florence"