create makefile to minify Pourover programmatically using YUICompressor

Makefile

@@ -0,0 +1,25 @@
+# minify JS but ignore -min.js
+JS_FILES = $(filter-out %-min.js,$(wildcard \
+	dist/*.js \
+))
+
+# execute YUICompressor
+# be sure to download yuicompressor-2.4.8.jar and put it in your ~/bin/ directory
+YUI_COMPRESSOR = java -jar ~/bin/yuicompressor-2.4.8.jar
+
+# flags for YUICompressor
+YUI_COMPRESSOR_FLAGS = --charset utf-8 --verbose
+
+JS_MINIFIED = $(JS_FILES:.js=-min.js)
+
+# target: minify
+minify: $(JS_FILES) $(JS_MINIFIED)
+
+%-min.js: %.js
+	@echo '==> Minifying $<'
+	$(YUI_COMPRESSOR) $(YUI_COMPRESSOR_FLAGS) --type js $< >$@
+	@echo
+
+# target: clean
+clean:
+	rm -f $(JS_MINIFIED)