From 5c1e8c108ad79090e5dadc5903e288b15e855f8c Mon Sep 17 00:00:00 2001
From: Cyril Tovena <cyril.tovena@gmail.com>
Date: Mon, 24 Jul 2023 17:02:56 +0200
Subject: [PATCH] Allow to pass a blob to core fetch function (#71929)

* Allow to pass a blob to core fetch function

* Use global blob instead of import

---------

Co-authored-by: Andrej Ocenas <mr.ocenas@gmail.com>
---
 public/app/core/utils/fetch.test.ts | 19 ++++++++++---------
 public/app/core/utils/fetch.ts      |  3 +++
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/public/app/core/utils/fetch.test.ts b/public/app/core/utils/fetch.test.ts
index df817c560f4..de7130d48cf 100644
--- a/public/app/core/utils/fetch.test.ts
+++ b/public/app/core/utils/fetch.test.ts
@@ -92,15 +92,16 @@ describe('isContentTypeApplicationJson', () => {
 
 describe('parseBody', () => {
   it.each`
-    options                  | isAppJson | expected
-    ${undefined}             | ${false}  | ${undefined}
-    ${undefined}             | ${true}   | ${undefined}
-    ${{ data: undefined }}   | ${false}  | ${undefined}
-    ${{ data: undefined }}   | ${true}   | ${undefined}
-    ${{ data: 'some data' }} | ${false}  | ${'some data'}
-    ${{ data: 'some data' }} | ${true}   | ${'some data'}
-    ${{ data: { id: '0' } }} | ${false}  | ${new URLSearchParams({ id: '0' })}
-    ${{ data: { id: '0' } }} | ${true}   | ${'{"id":"0"}'}
+    options                                         | isAppJson | expected
+    ${undefined}                                    | ${false}  | ${undefined}
+    ${undefined}                                    | ${true}   | ${undefined}
+    ${{ data: undefined }}                          | ${false}  | ${undefined}
+    ${{ data: undefined }}                          | ${true}   | ${undefined}
+    ${{ data: 'some data' }}                        | ${false}  | ${'some data'}
+    ${{ data: 'some data' }}                        | ${true}   | ${'some data'}
+    ${{ data: { id: '0' } }}                        | ${false}  | ${new URLSearchParams({ id: '0' })}
+    ${{ data: { id: '0' } }}                        | ${true}   | ${'{"id":"0"}'}
+    ${{ data: new Blob([new Uint8Array([1, 1])]) }} | ${false}  | ${new Blob([new Uint8Array([1, 1])])}
   `(
     "when called with options: '$options' and isAppJson: '$isAppJson' then the result should be '$expected'",
     ({ options, isAppJson, expected }) => {
diff --git a/public/app/core/utils/fetch.ts b/public/app/core/utils/fetch.ts
index c057dda9111..03b5031d777 100644
--- a/public/app/core/utils/fetch.ts
+++ b/public/app/core/utils/fetch.ts
@@ -89,6 +89,9 @@ export const parseBody = (options: BackendSrvRequest, isAppJson: boolean) => {
   if (!options.data || typeof options.data === 'string') {
     return options.data;
   }
+  if (options.data instanceof Blob) {
+    return options.data;
+  }
 
   return isAppJson ? JSON.stringify(options.data) : new URLSearchParams(options.data);
 };