feat: more work on form decorators

Signed-off-by: blam <ben@blam.sh>

plugins/scaffolder-react/src/next/components/Workflow/Workflow.tsx

@@ -95,11 +95,11 @@ export const Workflow = (workflowProps: WorkflowProps): JSX.Element | null => {
     async (originalFormState: Record<string, JsonValue>) => {
       let formState: Record<string, JsonValue> = { ...originalFormState };
 
-      if (manifest?.EXPERIMENTAL_formDecorators && formDecorators?.size) {
+      if (manifest?.EXPERIMENTAL_formDecorators) {
         // for each of the form decorators, go and call the decorator with the context
         await Promise.all(
           manifest.EXPERIMENTAL_formDecorators.map(async decorator => {
-            const formDecorator = formDecorators.get(decorator.id);
+            const formDecorator = formDecorators?.get(decorator.id);
             if (!formDecorator) {
               // eslint-disable-next-line no-console
               console.error('Failed to find form decorator', decorator.id);

plugins/scaffolder-react/src/next/extensions/createScaffolderFormDecorator.ts

@@ -52,6 +52,12 @@ export type ScaffolderFormDecorator<
   ) => Promise<void>;
 };
 
+/** @alpha */
+export type AnyScaffolderFormDecorator = ScaffolderFormDecorator<
+  { [key in string]: (zImpl: typeof z) => z.ZodType },
+  { [key in string]: AnyApiRef },
+  any
+>;
 /**
  * Method for creating decorators which can be used to collect
  * secrets from the user before submitting to the backend.