From 972ad566fea7e033c45e217dbfcb949d90ea2cb5 Mon Sep 17 00:00:00 2001
From: Dheeraj Nalluri <djnalluri@gmail.com>
Date: Thu, 3 Jun 2021 00:58:53 -0500
Subject: [PATCH] [typescript-angular] Fix undefined query param (#9657)

---
 .../main/resources/typescript-angular/api.service.mustache   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/openapi-generator/src/main/resources/typescript-angular/api.service.mustache b/modules/openapi-generator/src/main/resources/typescript-angular/api.service.mustache
index 8f66fcf6f9e..4fe3186f1ad 100644
--- a/modules/openapi-generator/src/main/resources/typescript-angular/api.service.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-angular/api.service.mustache
@@ -93,11 +93,16 @@ export class {{classname}} {
 {{/hasSomeFormParams}}
 
     private addToHttpParams(httpParams: HttpParams, value: any, key?: string): HttpParams {
+        {{#isQueryParamObjectFormatJson}}
+        httpParams = this.addToHttpParamsRecursive(httpParams, value, key);
+        {{/isQueryParamObjectFormatJson}}
+        {{^isQueryParamObjectFormatJson}}
         if (typeof value === "object" && value instanceof Date === false) {
             httpParams = this.addToHttpParamsRecursive(httpParams, value);
         } else {
             httpParams = this.addToHttpParamsRecursive(httpParams, value, key);
         }
+        {{/isQueryParamObjectFormatJson}}
         return httpParams;
     }