freeipa/install/ui/util/uglifyjs/uglify-js.js
Petr Vobornik 8c59ddbcbe Use Uglify.js for JS optimization
Uglify.js library was included in ui/util folder. A wrapper script
util/uglifyjs/uglify was created to run Uglify.js in Rhino enviroment.

https://fedorahosted.org/freeipa/ticket/112
2013-01-18 15:10:35 +01:00

86 lines
2.3 KiB
JavaScript

// Modified version of the orignal uglify-js.js. Modified to be runnable
// under rhino by Petr Vobornik, Red Hat
// writeFile(), read() code written by John Resig.
function uglify(orig_code, options){
options || (options = {});
var jsp = uglify.parser;
var pro = uglify.uglify;
var ast = jsp.parse(orig_code, options.strict_semicolons); // parse code and get the initial AST
ast = pro.ast_mangle(ast, options.mangle_options); // get a new AST with mangled names
ast = pro.ast_squeeze(ast, options.squeeze_options); // get an AST with compression optimizations
var final_code = pro.gen_code(ast, options.gen_options); // compressed code here
return final_code;
};
uglify.parser = require("./lib/parse-js");
uglify.uglify = require("./lib/process");
uglify.consolidator = require("./lib/consolidator");
module.exports = uglify
importPackage(java.io);
function writeFile( file, stream ) {
var buffer = new PrintWriter( new FileWriter( file ) );
buffer.print( stream );
buffer.close();
}
function read( file ) {
var f = new File(file);
var reader = new BufferedReader(new FileReader(f));
var line = null;
var buffer = new java.lang.StringBuffer(f.length());
while( (line = reader.readLine()) != null) {
buffer.append(line);
buffer.append("\n");
}
return buffer.toString();
}
var options = {
ast: false,
consolidate: false,
mangle: true,
mangle_toplevel: false,
no_mangle_functions: false,
squeeze: true,
make_seqs: true,
dead_code: true,
verbose: false,
show_copyright: true,
out_same_file: false,
max_line_length: 32 * 1024,
unsafe: false,
reserved_names: null,
defines: { },
lift_vars: false,
codegen_options: {
ascii_only: false,
beautify: false,
indent_level: 4,
indent_start: 0,
quote_keys: false,
space_colon: false,
inline_script: false
},
make: false,
output: true // stdout
};
if (arguments.length < 2) {
print('Invalid input\nUsage: uglify inputFile outputFile');
quit();
}
if (arguments.indexOf('-v')) {
print('Uglifying '+arguments[0] +'\nOutput: '+arguments[1]);
}
//read input file
var input = read(arguments[0]) + '';
var output = uglify(input, options);
writeFile(arguments[1], output);