React-datepicker: Changing day headings?

[kkras3]

The default markers for the week days is:
Su Mo Tu We Th Fr Sa

Is there any way these can be modified ? Say week day name prop that could take, e.g.,:
dayNames={ sun: 'S', mon: 'M', tue: 'T', wed: 'W', th: 'T', fr: 'F', sa: 'S' }
?

[kkras3]

Figured out how to do this via moment configuration.

[Sustenance]

@kkras3 Could you give an example of how you solved this via configuration?

[Sustenance]

Figured out a way to do it with version 2.8.0. Looks like there is an undocumented prop that you can pass in like so:

<DatePicker
  selected={selectedDate}
  onChange={setSelectedDate}
  formatWeekDay={(dayOfWeekLabel) => dayOfWeekLabel.substring(0, 3)}
  {...props}
/>

Which results in this: