gistfile1.txt

Role(
    'R2.Role.Spinner', {
        my: {
            has: {
                Spinner: {
                    is:        'roc',
                    isPrivate: true,
                    lazy:      true,
                    builder:   '_BuildSpinner'
                }
            },
            methods: {
                _BuildSpinner: function () {
                    var spinner = $("<img/>");
                    spinner.attr( "alt", "spinner image" );
                    spinner.attr( "title", "Loading ..." );
                    spinner.attr( "src", "/images/spinner.gif" );

                    return spinner;
                }
            }
        },       
        methods: {
            _showSpinner: function (selector) {
                var elt = $(selector);

                if ( ! elt.length ) {
                    return;
                }

                elt.children().detach();
                elt.append( this.my.Spinner() );
            }
        }
    }
);

Causes this error:

lazy.replace is not a function
return function(){if(!me.hasValue(this...lazy:this[lazy.replace(/^this./,'')]