Replace join by Intl object

components/teks/teks-kat.js

@@ -35,6 +35,7 @@ export default function TeksKat({teks}) {
   const noImageUrl = 'https://place-hold.it/140x140?text=Pa%20ni%20imaj'
   const {tit, awtis, lanne, kouveti, published_at, slug} = teks
   const datPiblikasyon = format(new Date(published_at), 'P', {locale: fr})
+  const alias = awtis.map(({alias}) => alias)
 
   const handleClick = slug => {
     router.push(`/teks/${slug}#${slug}`).then(() => window.scrollTo(0, 0))
@@ -66,7 +67,7 @@ export default function TeksKat({teks}) {
               )}
             </Typography>
             <Typography variant='body2' color='textSecondary' component='p'>
-              {awtis.map(a => a.alias).join(', ')}
+              {new Intl.ListFormat('fr').format(alias)}
             </Typography>
             <Typography variant='body2' color='textSecondary' component='p'>
               {lanne}