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#! /usr/bin/env node
var sys = require("util");
var fs = require("fs");
var UglifyJS = require("../tools/node");
var filename = process.argv[2];
var code = fs.readFileSync(filename, "utf8");
var ast = time_it("parse", function() {
return UglifyJS.parse(code);
});
time_it("scope", function(){
// calling figure_out_scope is a prerequisite for mangle_names,
// scope_warnings and compress
//
// perhaps figure_out_scope should be called automatically by the
// parser, but there might be instances where the functionality is
// not needed.
ast.figure_out_scope();
});
ast.scope_warnings();
time_it("mangle", function(){
ast.mangle_names();
});
time_it("compress", function(){
var compressor = new UglifyJS.Compressor({
// sequences : true,
// properties : true,
// dead_code : true,
// keep_comps : true,
// drop_debugger : true,
// unsafe : true,
// warnings : true
});
ast = ast.squeeze(compressor);
});
var stream = UglifyJS.OutputStream({ beautify: true });
time_it("generate", function(){
ast.print(stream);
});
sys.puts(stream.get());
function time_it(name, cont) {
var t1 = new Date().getTime();
try { return cont(); }
finally { sys.debug("// " + name + ": " + ((new Date().getTime() - t1) / 1000).toFixed(3) + " sec."); }
};
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