From 42deec79f044e262ffcf60394972f0b2c9753dfd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9C=D0=B8=D1=85=D0=B0=D0=B8=D0=BB=20=D0=94=D1=83=D0=BB?=
 =?UTF-8?q?=D0=BE=D0=B2?= <misha.dulov@mail.ru>
Date: Mon, 24 Mar 2025 13:13:17 +0300
Subject: [PATCH] Added processing of array of properties, for adding to
 formData sequentially, element by element

---
 .../base/http-clients/fetch-http-client.ejs   | 28 +++++++++++++------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/templates/base/http-clients/fetch-http-client.ejs b/templates/base/http-clients/fetch-http-client.ejs
index a1db3833..9a05fc0d 100644
--- a/templates/base/http-clients/fetch-http-client.ejs
+++ b/templates/base/http-clients/fetch-http-client.ejs
@@ -106,16 +106,28 @@ export class HttpClient<SecurityDataType = unknown> {
         [ContentType.Text]: (input:any) => input !== null && typeof input !== "string" ? JSON.stringify(input) : input,
         [ContentType.FormData]: (input: any) =>
             Object.keys(input || {}).reduce((formData, key) => {
-                const property = input[key];
-                formData.append(
+              const property = input[key];
+
+              // array of property should be added item by item in formData with the same key
+              if (Array.isArray(property)) {
+                for (const item of property) {
+                  formData.append(
                     key,
-                    property instanceof Blob ?
-                        property :
-                    typeof property === "object" && property !== null ?
-                        JSON.stringify(property) :
-                    `${property}`
+                    item instanceof Blob ? item : typeof item === "object" && item !== null ? JSON.stringify(item) : `${item}`
+                  );
+                }
+              } else {
+                formData.append(
+                  key,
+                  property instanceof Blob
+                    ? property
+                    : typeof property === "object" && property !== null
+                      ? JSON.stringify(property)
+                      : `${property}`
                 );
-                return formData;
+              }
+
+              return formData;
             }, new FormData()),
         [ContentType.UrlEncoded]: (input: any) => this.toQueryString(input),
     }