I rarely program JavaScript also React. I am using React. I mimic this solution https://stackoverflow.com/a/16978396/3728901 . My code
const timeTemplate = (data, props) => {
let formatted;
return (
<>
<span className="p-column-title">{props.header}</span>
{(new Date(data[props.field])).format("yyyy-mm-dd")}
{/*var t = new Date( {data[props.field]} );*/}
{/*var formatted = t.format("dd.mm.yyyy hh:MM:ss");*/}
{/*{formatted}*/}
</>
);
};
My full source code https://gist.github.com/donhuvy/30dcf82a7317d7ad6001e6d241eced08#file-timeperiod-js-L119
My error
How to fix it?