refactor: simplify input handling?

packages/framework/src/ui/PromptDialog.tsx

@@ -4,7 +4,7 @@ import type { PromptEvent, CommandSchema, CommandParamSchema } from 'boardgame-c
 
 interface PromptDialogProps {
   prompt: PromptEvent | null;
-  onSubmit: (input: string) => void;
+  onSubmit: (input: string) => string | null | void;
   onCancel: () => void;
 }
 
@@ -36,11 +36,10 @@ export function PromptDialog({ prompt, onSubmit, onCancel }: PromptDialogProps)
     const fieldValues = schemaToFields(prompt.schema).map(f => values[f.label] || '');
     const cmdString = [prompt.schema.name, ...fieldValues].join(' ');
 
-    const err = prompt.tryCommit(cmdString);
-    if (err) {
+    const err = onSubmit(cmdString);
+    if (err != null) {
       setError(err);
     } else {
-      onSubmit(cmdString);
       setValues({});
       setError(null);
     }