@sequencemedia/css-purge/src/utils/format-font-family.mjs

A CSS tool written in Node JS as a command line app or library for the purging, burning, reducing, shortening, compressing, cleaning, trimming and formatting of duplicate, extra, excess or bloated CSS.

import formatFont from './format-font.mjs'

export default function formatFontFamily (fontFamily) {
  return (
    fontFamily.split(',').map(formatFont).join(',')
  )
}