[#IOPSC-118] fixed utils

utils/__tests__/apim.test.ts

@@ -0,0 +1,24 @@
+import { isErrorStatusCode } from "../apim";
+
+class ErrorWithCode extends Error {
+  public statusCode: number;
+  constructor(statusCode, ...args) {
+    super(...args);
+    this.statusCode = statusCode;
+  }
+}
+
+describe("isErrorStatusCode", () => {
+  it.each`
+    scenario                                   | error                                    | statusCode | expected
+    ${"a null error"}                          | ${null}                                  | ${123}     | ${false}
+    ${"any error"}                             | ${new Error()}                           | ${123}     | ${false}
+    ${"any error with different status code"}  | ${new ErrorWithCode(456)}                | ${123}     | ${false}
+    ${"any error with same status code"}       | ${new ErrorWithCode(123)}                | ${123}     | ${true}
+    ${"any object with different status code"} | ${{ foo: "any field", statusCode: 456 }} | ${123}     | ${false}
+    ${"any object with same status code"}      | ${{ foo: "any field", statusCode: 123 }} | ${123}     | ${true}
+  `("$scenario", ({ error, statusCode, expected }) => {
+    const result = isErrorStatusCode(error, statusCode);
+    expect(result).toBe(expected);
+  });
+});

utils/apim.ts

@@ -185,12 +185,19 @@ export const isErrorStatusCode = (
   if (error === null) {
     return false;
   }
-  if (!(error instanceof RestError)) {
+  if (
+    !(
+      error instanceof RestError ||
+      (typeof error === "object" && "statusCode" in error)
+    )
+  ) {
     return false;
   }
-  if (!error.statusCode) {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  if (!(error as any).statusCode) {
     return false;
   }
 
-  return error.statusCode === statusCode;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  return (error as any).statusCode === statusCode;
 };