convert package.json into comma first

convert-package-to-comma-first.js

var fs = require('fs');
var o = require('./package');
var rs = require('stream').Readable;

var out = JSON.stringify(o, null, 2)
          .split(/(,\n\s+)/)
          .map(function (e, i) {
            return i%2 ? '\n'+e.substring(4)+' ,' : e
          })
          .join('');

rs.pipe = function(dest) {
  dest.write(out)
}
rs.pipe(process.stdout)
// rs.pipe(fs.createWriteStream('out.json'));

convert.js

var fs = require('fs');
var o = require('./package');
var Readable = require('stream').Readable;
var rs = new Readable;

var out = JSON.stringify(o, null, 2)
          .split(/(,\n\s+)/)
          .map(function (e, i) {
            return i%2 ? '\n'+e.substring(4)+' ,' : e
          })
          .join('');

rs.push(out);
rs.push(null);

rs.pipe(process.stdout)
// rs.pipe(fs.createWriteStream('out.json'));

package.json

{
    "name": "tuple-stream",
    "version": "0.0.2",
    "description": "zip together two streams into a single stream with aligned pairwise data",
    "main": "index.js",
    "dependencies": {
        "through": "~2.3.4"
    },
    "devDependencies": {
        "tape": "~1.0.4",
        "concat-stream": "~1.0.0",
        "split": "~0.2.5"
    },
    "scripts": {
        "test": "tap test/*.js"
    },
    "testling" : {
        "files" : "test/*.js",
        "browsers" : {
            "ie" : [ 6, 7, 8, 9 ],
            "ff" : [ 3.5, 10, 15.0 ],
            "chrome" : [ 10, 22 ],
            "safari" : [ 5.1 ],
            "opera" : [ 12 ]
        }
    },
    "repository": {
        "type": "git",
        "url": "git://github.com/substack/tuple-stream.git"
    },
    "homepage": "https://github.com/substack/tuple-stream",
    "keywords": [
        "pair",
        "pairwise",
        "zip",
        "stream"
    ],
    "author": {
        "name": "James Halliday",
        "email": "[email protected]",
        "url": "http://substack.net"
    },
    "license": "MIT"
}