fix dayjs rounding

components/formatted/formattedDate.tsx

@@ -4,7 +4,29 @@ import relativeTime from 'dayjs/plugin/relativeTime';
 import React from 'react';
 import StyledTooltip from '../page/styledTooltip';
 
-dayjs.extend(relativeTime);
+// https://day.js.org/docs/en/customization/relative-time
+dayjs.extend(
+ relativeTime,
+ {
+ rounding: Math.floor,
+ thresholds: [
+ { l: 's', r: 59, d: 'second' },
+ { l: 'm', r: 1 },
+ { l: 'mm', r: 59, d: 'minute' },
+ { l: 'h', r: 1 },
+ { l: 'hh', r: 23, d: 'hour' },
+ { l: 'd', r: 1 },
+ { l: 'dd', r: 27, d: 'day' },
+ // NB: weeks are not well-supported by dayjs
+ // { l: 'w', r: 1 },
+ // { l: 'ww', r: 4, d: 'week' },
+ { l: 'M', r: 1 },
+ { l: 'MM', r: 11, d: 'month' },
+ { l: 'y', r: 1 },
+ { l: 'yy', d: 'year' },
+ ],
+ }
+);
 
 interface FormattedDateProps {
  className?: string;