base-domain/dist/lib/util.js

simple module to help build Domain-Driven Design

/**
utility functions

@class Util
@module base-domain
 */
var Util;

Util = (function() {
  function Util() {}


  /**
  converts hyphenation to camel case
  
      'shinout-no-macbook-pro' => 'ShinoutNoMacbookPro'
      'shinout-no-macbook-pro' => 'shinoutNoMacbookPro' # if lowerFirst = true
  
  @method camelize
  @static
  @param {String} hyphened
  @param {Boolean} [lowerFirst=false] make capital char lower
  @return {String} cameled
   */

  Util.camelize = function(hyphened, lowerFirst) {
    var i, substr;
    if (lowerFirst == null) {
      lowerFirst = false;
    }
    return ((function() {
      var j, len, ref, results;
      ref = hyphened.split('-');
      results = [];
      for (i = j = 0, len = ref.length; j < len; i = ++j) {
        substr = ref[i];
        if (i === 0 && lowerFirst) {
          results.push(substr);
        } else {
          results.push(substr.charAt(0).toUpperCase() + substr.slice(1));
        }
      }
      return results;
    })()).join('');
  };


  /**
  converts hyphenation to camel case
  
      'ShinoutNoMacbookPro' => 'shinout-no-macbook-pro'
      'ABC' => 'a-b-c' # current implementation... FIXME ?
  
  @method hyphenize
  @static
  @param {String} hyphened
  @return {String} cameled
   */

  Util.hyphenize = function(cameled) {
    cameled = cameled.charAt(0).toUpperCase() + cameled.slice(1);
    return cameled.replace(/([A-Z])/g, function(st) {
      return '-' + st.charAt(0).toLowerCase();
    }).slice(1);
  };


  /**
  requires js file
  in Titanium, file-not-found-like-exception occurred in require function cannot be caught.
  Thus, before require function is called, check the existence of the file.
  File extension must be '.js' in Titanium.
  
  @method requireFile
  @static
  @param {String} file name without extension
  @return {any} required value
   */

  Util.requireFile = function(file) {
    var fileInfo, path;
    if (typeof Ti === "undefined" || Ti === null) {
      return require(file);
    }
    path = file + '.js';
    fileInfo = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, path);
    if (fileInfo.exists()) {
      return require(file);
    } else {
      throw new Error(path + ": no such file.");
    }
  };

  return Util;

})();

module.exports = Util;