@tiwarivikram/meanio/lib/core_modules/module/util.js

Extracted functionality for MEAN.io

'use strict'

var fs = require('fs')
var _ = require('lodash')
var glob = require('glob')
var path = require('path')

var baseRgx = /(.*).(js|coffee)$/

// recursively walk modules path and callback for each file
function walk (wpath, type, excludeDir, callback) {
  // regex - any chars, then dash type, 's' is optional, with .js or .coffee extension, case-insensitive
  // e.g. articles-MODEL.js or mypackage-routes.coffee
  var rgx = new RegExp('(.*)-' + type + '(s?).(js|coffee)$', 'i')
  if (!fs.existsSync(wpath)) return
  fs.readdirSync(wpath).forEach(function (file) {
    var newPath = path.join(wpath, file)
    var stat = fs.statSync(newPath)
    if (stat.isFile() && (rgx.test(file) || (baseRgx.test(file)) && ~newPath.indexOf(type))) {
      // if (!rgx.test(file)) console.log('  Consider updating filename:', newPath);
      callback(newPath)
    } else if (stat.isDirectory() && file !== excludeDir && ~newPath.indexOf(type)) {
      walk(newPath, type, excludeDir, callback)
    }
  })
}

// ability to preload requirements for tests
function preload (gpath, type) {
  glob.sync(gpath).forEach(function (file) {
    walk(file, type, null, require)
  })
}

exports.walk = walk
exports.preload = preload