Fix copy paste of widget value (#284)

* Fix copy paste of widget value

* Fix ui tests

* Allow undefined group font size

* Update test expectations [skip ci]

* nit

---------

Co-authored-by: github-actions <github-actions@github.com>

src/types/comfyWorkflow.ts

@@ -74,7 +74,7 @@ const zGroup = z
     title: z.string(),
     bounding: z.tuple([z.number(), z.number(), z.number(), z.number()]),
     color: z.string(),
-    font_size: z.number(),
+    font_size: z.number().optional(),
     locked: z.boolean().optional()
   })
   .passthrough()
@@ -131,16 +131,15 @@ export type ComfyLink = z.infer<typeof zComfyLink>
 export type ComfyNode = z.infer<typeof zComfyNode>
 export type ComfyWorkflowJSON = z.infer<typeof zComfyWorkflow>
 
-export async function parseComfyWorkflow(
-  data: string
-): Promise<ComfyWorkflowJSON> {
-  // Validate
-  const result = await zComfyWorkflow.safeParseAsync(JSON.parse(data))
+export async function validateComfyWorkflow(
+  data: any,
+  onError: (error: string) => void = console.warn
+): Promise<ComfyWorkflowJSON | null> {
+  const result = await zComfyWorkflow.safeParseAsync(data)
   if (!result.success) {
-    // TODO: Pretty print the error on UI modal.
     const error = fromZodError(result.error)
-    alert(`Invalid workflow against zod schema:\n${error}`)
-    throw error
+    onError(`Invalid workflow against zod schema:\n${error}`)
+    return null
   }
   return result.data
 }