Function keyRef

docs/app/js/sanddance-app.js:147100–147106

(fields, flat)

    };
}
function keyRef(fields, flat) {
    const ref4 = {
        $key: fields
    };
    if (flat) ref4.$flat = true;
    return ref4;
} // -----
const Ascending = "ascending";
const Descending = "descending";
function sortKey(sort) {