fix(core/protocols): read json error code case-insensitively

Author: kuhe

packages/core/src/submodules/protocols/json/parseJsonBody.spec.ts

@@ -0,0 +1,15 @@
+import { describe, expect, test as it } from "vitest";
+
+import { loadRestJsonErrorCode } from "./parseJsonBody";
+
+describe(loadRestJsonErrorCode.name, () => {
+  it("reads the code of the error case-insensitively", () => {
+    const code = loadRestJsonErrorCode(
+      { statusCode: 200, headers: {} },
+      {
+        cOdE: "OhNoException:Sender",
+      }
+    );
+    expect(code).toEqual("OhNoException");
+  });
+});

packages/core/src/submodules/protocols/json/parseJsonBody.ts

@@ -59,8 +59,9 @@ export const loadRestJsonErrorCode = (output: HttpResponse, data: any): string |
     return sanitizeErrorCode(output.headers[headerKey]);
   }
 
-  if (data.code !== undefined) {
-    return sanitizeErrorCode(data.code);
+  const codeKey = findKey(data, "code");
+  if (codeKey && data[codeKey] !== undefined) {
+    return sanitizeErrorCode(data[codeKey]);
   }
 
   if (data["__type"] !== undefined) {