Link at the top of the paragraphs field to expand all/collapse all

[herbdool]

This d.o issue claims to provide this: https://www.drupal.org/project/paragraphs/issues/2476253, among a bunch of other things. The one feature could maybe be pulled out of it.

[herbdool]

I'm not sure if it's the best idea. In the patch there's this comment:

The JavaScript supports AJAX forms, however it is very inefficient since
it has to serially trigger the AJAX callbacks due to Drupal.ajax only
allowing 1 request at a time.
Example: 9 large paragraphs could take 20+ seconds to collapse / expand.

[laryn]

Right, that patch description doesn't make it sound good.

[laryn]

It would be worth examining how it's done in D10.