ICS fix (config switch)

_config.yml

@@ -118,8 +118,8 @@ author:
     # - label: "GitHub"
     #   icon: "fab fa-fw fa-github"
     #   # url: "https://github.com/"
-head_scripts:
-  - /assets/js/ics.js
+# head_scripts:
+#   - /assets/js/ics.js
 # Site Footer
 footer:
   links:

_pages/talks.html

@@ -264,4 +264,47 @@ <h3>Inne</h3>
       <p>No talks scheduled.</p>
     {% endif %}
   </div>
-{% endfor %}
+{% endfor %}
+
+<script>
+  function downloadICS(event, start, end, title, description, location, url) {
+      // Prevent default action
+      event.preventDefault();
+
+      // Create iCal string
+      const icalString = `
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Sample Corp//NONSGML Event//EN
+BEGIN:VEVENT
+UID:${new Date().toISOString()}@sample.com
+DTSTAMP:${new Date().toISOString().replace(/[-:]/g, '').split('.')[0]}Z
+DTSTART:${start}
+DTEND:${end}
+SUMMARY:${title}
+DESCRIPTION:${description}
+LOCATION:${location}
+URL:${url}
+END:VEVENT
+END:VCALENDAR
+      `.trim();
+
+      // Encode iCal string in Base64
+      const base64String = btoa(icalString);
+
+      // Create a download link
+      const downloadLink = document.createElement('a');
+      downloadLink.href = 'data:text/calendar;base64,' + base64String;
+      downloadLink.download = `${title.replace(/[^a-z0-9]/gi, '_').toLowerCase()}.ics`;
+      downloadLink.style.display = 'none';
+
+      // Append the link to the body
+      document.body.appendChild(downloadLink);
+
+      // Programmatically click the download link
+      downloadLink.click();
+
+      // Remove the link from the document
+      document.body.removeChild(downloadLink);
+  }
+</script>