Escodegen with comments etc.

gistfile1.txt

Whatever.

package.json

{
  "author": "Isak <isak@klarna.com>",
  "name": "escapism",
  "version": "0.0.0",
  "repository": {
    "url": ""
  },
  "dependencies": {
    "escodegen": "git://github.com/Constellation/escodegen.git#master",
    "esprima": "git://github.com/ariya/esprima.git#master"
  },
  "devDependencies": {},
  "optionalDependencies": {},
  "engines": {
    "node": "*"
  }
}

run.js

#!/usr/bin/env node
/*jshint node:true*/
"use strict";

var fs = require('fs'),
    escodegen = require('escodegen'),
    esprima = require('esprima'),
    files = process.argv.splice(2);

if (files.length === 0) {
    console.log('Usage:');
    console.log('   run.js file.js');
    process.exit(1);
}

files.forEach(function (filename) {
    var content = fs.readFileSync(filename, 'utf-8'),
        tree = esprima.parse(content, {
            range: true,
            tokens: true,
            comment: true
        });

    tree = escodegen.attachComments(tree, tree.comments, tree.tokens);

    console.log(escodegen.generate(tree, {
        comment: true,
        format: {
            indent: {
                style: '    ',
                base: 0,
                adjustMultilineComment: false
            },
            quotes: 'auto',
            escapeless: true
        }
    }));
});