Function addEvent

lib/render.js:1157–1166

* Bind events for an element, and all it's rendered child elements. * * @param {String} path * @param {String} event * @param {Function} fn

(entityId, path, eventType, fn)

   */

  function addEvent (entityId, path, eventType, fn) {
    keypath.set(handlers, [entityId, path, eventType], function (e) {
      var entity = entities[entityId]
      if (entity) {
        return fn(e, entity.context, setState(entity))
      } else {
        return fn(e)
      }
    })
  }

  /**
   * Unbind events for a entityId