Converts package.json dependencies to bundled dependencies

bunde_dependencies.js

#!/usr/bin/env node

/**
 * Read a package.json file and then replace all dependencies and
 * optionally dev dependencies into bundled dependencies.
 */
var p = '',
  writeFile = require('fs').writeFile,
  resolve = require('path').resolve;

// get the package.json file reference
(process.argv[2]) && (p = process.argv[2]);
p = p.replace(/\/?package\.json$/, '');
p || (p = '.');
p += '/package.json';
p = resolve(p);

var data = require(p);

// do a backup
writeFile(p + '.prebundle', JSON.stringify(data, null, 2), 'utf8', function (err) {
  if (err) throw err;
});

for (var dep in data.devDependencies) {
  if (data.dependencies[dep]) {
    throw "Overlapping dependencies and dev dependency: " + dep;
  }
  data.dependencies[dep] = data.devDependencies[dep];
}

delete data.devDependencies;
delete data.bundleDependencies;
delete data.bundledDependencies;

data.bundledDependencies = Object.keys(data.dependencies || {});
writeFile(p, JSON.stringify(data, null, 2), 'utf8', function (err) {
  if (err) throw err;
  console.log(' - set bundle of ' + data.bundledDependencies.length + ' dependencies.');
});