fix: avoid truncating links with story cutoff length

components/emails/newsletter.tsx

@@ -1,5 +1,6 @@
 import { z } from 'zod';
 import { NewsSchema } from '../../utils/schemas';
+import { textTruncate } from '../../utils/textTruncate';
 import { sayings } from './helpers/sayings';
 import Template from './template';
 
@@ -58,7 +59,7 @@ export default function NewsletterTemplate(
                         dangerouslySetInnerHTML={{
                           __html:
                             story.text.length > 500
-                              ? story.text.substring(0, 500) + '...'
+                              ? textTruncate(story.text, 500) + '...'
                               : story.text
                         }}
                       />

utils/textTruncate.ts

@@ -0,0 +1,14 @@
+export function textTruncate(text: string, length: number) {
+  let truncatedText = text.substring(0, length);
+  const lastSpaceIndex = truncatedText.lastIndexOf(' ');
+
+  const urlPattern = /(https?:\/\/[^\s]+)/g;
+  const lastWord = truncatedText.substring(lastSpaceIndex).trim();
+  if (urlPattern.test(lastWord)) {
+    truncatedText = truncatedText.substring(0, lastSpaceIndex);
+  }
+
+  truncatedText += '...';
+
+  return truncatedText;
+}