using node install script in case uglify is not installed in node_mod…

…uels

Makefile

@@ -2,7 +2,6 @@ PACKAGE = asyncjs
 NODEJS = $(if $(shell test -f /usr/bin/nodejs && echo "true"),nodejs,node)
 CWD := $(shell pwd)
 WITH_NODEUNIT = PATH=$(CWD)/node_modules/nodeunit/bin:$(PATH)
-WITH_UGLIFY = PATH=$(CWD)/node_modules/uglify-js/bin:$(PATH)
 WITH_NODELINT = PATH=$(CWD)/node_modules/nodelint/bin:$(PATH)
 
 BUILDDIR = dist
@@ -11,7 +10,7 @@ all: clean test build
 
 build: $(wildcard  lib/*.js)
 	mkdir -p $(BUILDDIR)
-	$(WITH_UGLIFY) uglifyjs lib/async.js > $(BUILDDIR)/async.min.js
+	node install.js
 
 test:
 	$(WITH_NODEUNIT) nodeunit test

install.js

@@ -0,0 +1,11 @@
+var fs = require('fs');
+var path = require('path');
+var jsp = require("uglify-js").parser;
+var pro = require("uglify-js").uglify;
+
+var orig_code = fs.readFileSync(path.join(__dirname, './lib/async.js'), 'utf8');
+var ast = jsp.parse(orig_code); // parse code and get the initial AST
+ast = pro.ast_mangle(ast); // get a new AST with mangled names
+ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
+var final_code = pro.gen_code(ast); // compressed code here
+fs.writeFileSync(path.join(__dirname, './dist/async.min.js'), final_code, 'utf8');