Function parseSort

docs/app/js/sanddance-app.js:147405–147418

(sort, multidomain)

    return ref(v);
}
function parseSort(sort, multidomain) {
    if (sort) {
        if (!sort.field && !sort.op) {
            if ((0, _vegaUtil.isObject)(sort)) sort.field = "key";
            else sort = {
                field: "key"
            };
        } else if (!sort.field && sort.op !== "count") (0, _vegaUtil.error)("No field provided for sort aggregate op: " + sort.op);
        else if (multidomain && sort.field) {
            if (sort.op && !MULTIDOMAIN_SORT_OPS[sort.op]) (0, _vegaUtil.error)("Multiple domain scales can not be sorted using " + sort.op);
        }
    }
    return sort;
}
function quantileMultipleDomain(domain, scope, fields) {
    // get value arrays for each domain field
    const values = fields.map((f)=>{