Module-root relative file includes for Node.js

include.js

var fs = require('fs');
var path = require('path');
var parentModulePath = path.dirname(module.parent.filename);

// Recursively traverse up a given path tree checking for a file's existence.
function rstat(dir, filename, endPath) {
  // End the search at endPath if provided, otherwise default to root
  endPath = endPath || path.resolve('/');

  var target = path.join(dir, filename);
  var stats = null // will contain fstat result

  try {
    stats = fs.statSync(target);

    if (stats.isFile()) {
      // Include a filename (the caller won't know otherwise)
      stats.file = target;
      stats.directory = dir;
      stats.filename = filename;

      return stats;
    }
  } catch (e) {}

  // Bail if the target dir is the endPath
  if (endPath === dir) {
    return false;
  }

  // If we've managed to get here, we didn't match. Try the parent.
  return rstat(path.resolve(path.join(dir, '..' )), filename, endPath);
}


function findProjectRoot(){
  var stats = rstat(parentModulePath, 'package.json');

  if (!stats) {
    var err = new Error("Could not find \"package.json\" in the below directory or its parents.\n => " + parentModulePath + "\n");
    throw err;
  }

  return stats.directory;
}

module.exports = function(file) {
  var pRoot = findProjectRoot();

  return require(path.join(pRoot, file));
}