Function aggrField

docs/app/js/sanddance-app.js:147112–147114

(op, field3)

    return !(0, _vegaUtil.isObject)(sort) ? "" : (sort.order === Descending ? "-" : "+") + aggrField(sort.op, sort.field);
}
function aggrField(op, field3) {
    return (op && op.signal ? "$" + op.signal : op || "") + (op && field3 ? "_" : "") + (field3 && field3.signal ? "$" + field3.signal : field3 || "");
} // -----
const Scope$1 = "scope";
const View = "view";
function isSignal(_) {