index.js

/**
 * Module dependencies.
 * @api private
 */

var clone = require('bredele-clone');


/**
 * Expose Middleware
 */

module.exports = function(store) {

  /**
   * Set and get path.
   * example:
   *   store.path('country.canada'); //get
   *   store.path('country.canada', 'france');
   *   store.path('name.3.2', 'olivier'); //works with arrys
   *
   * @param  {String} name
   * @param  {Any} val
   * @api public
   */

  store.path = function(name, val) {
    var path = name.split('.'),
        attr = clone(store.get(path[0]));

    if(val == undefined) {
      for(var i = 1, l = path.length; i < l; i++) {
        attr = attr[path[i]];
      }
      return attr;
    } else {
      var cache = attr;

      for(var j = 1, h = path.length - 1; j < h; j++) {
        var prop = path[j];
        if(!cache.hasOwnProperty(prop) || (typeof cache[prop] !== 'object')) {
          cache[prop] = {};
        }
        cache = cache[prop];
      }

      cache[path[j]] = val;
      //TODO:L refactor, if no '.' just set with val
      store.set(path[0], h === 0 ? val : attr);
    }
  };

};