feat(turbo): add enable and disable mutations

app/helpers/turbo_stream_helper.rb

@@ -31,5 +31,13 @@ module TurboStreamHelper
     def focus_all(targets)
       dispatch('dom:mutation', { action: :focus, targets: targets })
     end
+
+    def disable(target)
+      dispatch('dom:mutation', { action: :disable, target: target })
+    end
+
+    def enable(target)
+      dispatch('dom:mutation', { action: :enable, target: target })
+    end
   end
 end

app/javascript/controllers/turbo_event_controller.ts

@@ -18,7 +18,7 @@ export class TurboEventController extends ApplicationController {
   }
 }
 
-const MutationAction = z.enum(['show', 'hide', 'focus']);
+const MutationAction = z.enum(['show', 'hide', 'focus', 'enable', 'disable']);
 type MutationAction = z.infer<typeof MutationAction>;
 const Mutation = z.union([
   z.object({
@@ -55,6 +55,16 @@ const Mutations: Record<MutationAction, (mutation: Mutation) => void> = {
     for (const element of findElements(mutation)) {
       element.focus();
     }
+  },
+  disable: (mutation) => {
+    for (const element of findElements<HTMLInputElement>(mutation)) {
+      element.disabled = true;
+    }
+  },
+  enable: (mutation) => {
+    for (const element of findElements<HTMLInputElement>(mutation)) {
+      element.disabled = false;
+    }
   }
 };