Club Drupal

define(function() {

function addGetHookIf( conditionFn, hookFn ) {

        // Define the hook, we'll check on the first run if it's really needed.

        return {

                get: function() {

                        var condition = conditionFn();

                        if ( condition == null ) {

                                // The test was not ready at this point; screw the hook this time

                                // but check again when needed next time.

                                return;

                        }

                        if ( condition ) {

                                // Hook not needed (or it's not possible to use it due to missing dependency),

                                // remove it.

                                // Since there are no other hooks for marginRight, remove the whole object.

                                delete this.get;

                                return;

                        }

                        // Hook needed; redefine it so that the support test is not executed again.

                        return (this.get = hookFn).apply( this, arguments );

                }

        };

}

return addGetHookIf;

});