hx-confirm does not work with hx-ws

[aral]

The WebSocket extension does not respect hx-confirm (a confirmation dialogue is not shown and the WebSocket call is made as if hx-confirm was not specified).

Workaround

Manually implement equivalent functionality on ws-before-send.

e.g.,

<form
  @htmx:ws-before-send='if (!window.confirm("Are you sure?")) $event.preventDefault()'
  …
>