Function defaultParser

docs/app/js/sanddance-app.js:107109–107109

(_)

    return _ == null || _ === "" ? null : !_ || _ === "false" || _ === "0" ? false : !!_;
}
const defaultParser = (_)=>isNumber(_) ? _ : isDate(_) ? _ : Date.parse(_);
function toDate(_, parser) {
    parser = parser || defaultParser;
    return _ == null || _ === "" ? null : parser(_);