transition-manager/lib/utils/default.js

Transition Manager. Framework independent transition manager to transition elements using states and actions.

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
'use strict';

/**
 * replace target object properties with the overwrite
 * object properties if they have been set
 * @param  {object} target    - object to overwrite
 * @param  {object} overwrite - object with new properies and values
 * @return {object} 
 */
function defaultProps(target, overwrite) {
  overwrite = overwrite || {};
  for (var prop in overwrite) {
    if (target.hasOwnProperty(prop) && _isValid(overwrite[prop])) {
      target[prop] = overwrite[prop];
    }
  }
  return target;
}

/**
 * check to see if a property is valid
 * not null or undefined
 * @param  {object}  prop 
 * @return {Boolean} 
 */
function _isValid(prop) {
  return prop !== undefined && prop !== null;
}

exports['default'] = defaultProps;
module.exports = exports['default'];