From c5537bf44421a52fe4beb4d52cbbcf4270be2772 Mon Sep 17 00:00:00 2001
From: Alexey Romanoff <ar@logiceditor.com>
Date: Fri, 21 Jan 2022 12:57:20 +0300
Subject: [PATCH] fix(ajsf/core): json-schema-form service: initializeControl:
 fix null values in enum fromControl-s

force formControl value to empty string when it's null and if the control has enum
Fixes #333
---
 projects/ajsf-core/src/lib/json-schema-form.service.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/projects/ajsf-core/src/lib/json-schema-form.service.ts b/projects/ajsf-core/src/lib/json-schema-form.service.ts
index a20eaa77..dfe2897c 100755
--- a/projects/ajsf-core/src/lib/json-schema-form.service.ts
+++ b/projects/ajsf-core/src/lib/json-schema-form.service.ts
@@ -544,6 +544,10 @@ export class JsonSchemaFormService {
     ctx.formControl = this.getFormControl(ctx);
     ctx.boundControl = bind && !!ctx.formControl;
     if (ctx.formControl) {
+      if (ctx.options.enum && ctx.formControl.value === null) {
+        ctx.formControl.value = '';
+      }
+
       ctx.controlName = this.getFormControlName(ctx);
       ctx.controlValue = ctx.formControl.value;
       ctx.controlDisabled = ctx.formControl.disabled;