code: function parseRequires(js) {
    return js
      .replace(/require\('events'\)/g, "require('browser/events')")
      .replace(/require\('debug'\)/g, "require('browser/debug')")
      .replace(/require\('path'\)/g, "require('browser/path')")
      .replace(/require\('diff'\)/g, "require('browser/diff')")
      .replace(/require\('tty'\)/g, "require('browser/tty')")
      .replace(/require\('fs'\)/g, "require('browser/fs')")
  }
docs: Parse requires.