A hook even that fires when a ProseMirrorMenu's buttons are initialized. The hook provides the ProseMirrorMenu instance and an array of button configuration data. Hooked functions may append their own buttons to the list.
The ProseMirrorMenu instance.
The button configuration objects.
A hook even that fires when a ProseMirrorMenu's buttons are initialized. The hook provides the ProseMirrorMenu instance and an array of button configuration data. Hooked functions may append their own buttons to the list.