fix: 🐛 Fixes crash when body od newItem is empty

✅ Closes: 525

libs/api-skolplattformen/lib/parse/news.ts

@@ -26,9 +26,16 @@ export const newsItem = ({
   imageUrl: bannerImageUrl,
   fullImageUrl: `${IMAGE_HOST}${bannerImageUrl}`,
   imageAltText: altText,
-  body: toMarkdown(body),
+  body: toNonEmptyMarkdownString(body),
 })
 
+// Fixes https://github.com/kolplattformen/skolplattformen/issues/525
+const toNonEmptyMarkdownString = (str: string): string => {
+  const res = toMarkdown(str);
+  if(res?.length == 0 ) return ' ' 
+  return res
+}
+
 const newsSort = (item1: NewsItem, item2: NewsItem): number => {
   const m1 = item1.modified || item1.published
   const m2 = item2.modified || item2.published

libs/api-skolplattformen/lib/parseHtml.ts

@@ -105,6 +105,9 @@ const overides = {
 }
 
 export const toMarkdown = (html?: string): string => {
+
+  if(html?.length == 0) return ''
+
   const rearranged = rearrangeWhitespace(html)
   const trimmed = clean(rearranged)
   const markdown = h2m(trimmed, { overides, converter })