migration.transformEntries({
contentType: 'newsArticle',
from: ['author', 'authorCity'],
to: ['byline'],
transformEntryForLocale: function (fromFields, currentLocale) {
if (currentLocale === 'de-DE') {
return;
}
const newByline = `${fromFields.author[currentLocale]} ${fromFields.authorCity[currentLocale]}`;
return { byline: newByline };
}
});