src/poplar.js
function mergeListeners(emitter) {
      var events = emitter._events;
      _.each(events, function (fns, type) {
        if (Array.isArray(fns)) {
          _.each(fns, function (fn) {
            if (_.isFunction(fn)) {
              self.on(type, fn);
            }
          });
        } else if (_.isFunction(fns)) {
          self.on(type, fns);
        }
      });
    }
function mergeListeners(emitter) {
      var events = emitter._events;
      _.each(events, function (fns, type) {
        if (Array.isArray(fns)) {
          _.each(fns, function (fn) {
            if (_.isFunction(fn)) {
              self.on(type, fn);
            }
          });
        } else if (_.isFunction(fns)) {
          self.on(type, fns);
        }
      });
    }
function mergeListeners ( emitter ) { var events = emitter . _events ; _ . each ( events , function ( fns , type ) { if ( Array . isArray ( fns ) ) { _ . each ( fns , function ( fn ) { if ( _ . isFunction ( fn ) ) { self . on ( type , fn ) ; } } ) ; } else if ( _ . isFunction ( fns ) ) { self . on ( type , fns ) ; } } ) ; }
look up all ApiBuilder listeners then add it to api
look up all ApiBuilder listeners then add it to api