Function makeFn

client/src/common/directives/crud/edit.js:34–40

(attrName)

      // This function helps us extract the callback functions from the directive attributes
      var makeFn = function(attrName) {
        var fn = scope.$eval(attrs[attrName]);
        if ( !angular.isFunction(fn) ) {
          throw new Error('crudEdit directive: The attribute "' + attrName + '" must evaluate to a function');
        }
        return fn;
      };
      // Set up callbacks with fallback
      // onSave attribute -> onSave scope -> noop
      var userOnSave = attrs.onSave ? makeFn('onSave') : ( scope.onSave || angular.noop );