Files
UglifyJS/tmp/test-maps.js
Mihai Bazon 52bcca288f started support for generating source maps (WIP)
plugged in @fitzgen's source-map library
2012-08-29 19:39:19 +03:00

40 lines
808 B
JavaScript
Executable File

#! /usr/bin/env node
var sys = require("util");
var fs = require("fs");
var UglifyJS = require("../tools/node");
var files = process.argv.slice(2);
var map = UglifyJS.SourceMap();
var output = UglifyJS.OutputStream({
beautify : false,
source_map : map
});
function do_file(file) {
var code = fs.readFileSync(file, "utf8");
// parse
var ast = UglifyJS.parse(code);
// mangle
ast.figure_out_scope();
ast.mangle_names();
// compress
var compressor = UglifyJS.Compressor();
ast.squeeze(compressor);
// generate source into the output stream
// first reset the current file name in the source map.
map.set_source(file);
ast.print(output);
};
files.forEach(do_file);
fs.writeFileSync("/tmp/source-map.json", map, "utf8");
sys.print(output);