fix(json-schema): detect change of multischema (#2858)

fix #2815
ngx-formly · May 23, 2021 · 2296330 · 2296330
1 parent 84f47e5
commit 2296330
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/core/json-schema/src/formly-json-schema.service.ts b/src/core/json-schema/src/formly-json-schema.service.ts
@@ -7,6 +7,7 @@ import {
   ɵgetFieldInitialValue as getFieldInitialValue,
   ɵclone as clone,
 } from '@ngx-formly/core';
+import { tap } from 'rxjs/operators';
 
 export interface FormlyJsonschemaOptions {
   /**
@@ -365,6 +366,11 @@ export class FormlyJsonschema {
             options: schemas
               .map((s, i) => ({ label: s.title, value: i, disabled: s.readOnly })),
           },
+          hooks: {
+            onInit: f => f.formControl.valueChanges.pipe(
+              tap(() => (f.options as any)._checkField(f.parent)),
+            ),
+          },
         },
         {
           fieldGroup: schemas.map((s, i) => ({