Uncaught TypeError: $(...).once is not a function

Another way to fix this is to apply once() for the links instead of body

HI,
i have fixed this issue and created MR for the Same. Review this MR

Hi, I reviewed the MR and its working fine and not showing the once error in browser console. But all the changes except those in addtocal.js and addtocal-download.js are in place for the 3.0.0-beta1 version which the OP asked version for.

Rebuild the MR for the target branch 3.x, which allowed the diff to be installed via composer patches.

https://git.drupalcode.org/project/addtocal/-/merge_requests/8/diffs

This removes the redundant diff lines that were caused by it targeting 8.x-2.x

Looks to be working

Tested and confirmed working. LGTM.

+1 to say this MR worked for me on 3.0.0-beta1.

tobiasb → changed the visibility of the branch 3372354-Uncaught-TypeError to hidden.