From fe7d6824c91b0c2b45c1248fc58847250f6c9f42 Mon Sep 17 00:00:00 2001
From: Peter Evers <pevers90@gmail.com>
Date: Fri, 29 May 2020 08:27:57 +0200
Subject: [PATCH] fix DenoBlob name (#5879)

---
 cli/js/web/blob.ts          | 10 +++++++++-
 cli/tests/unit/blob_test.ts |  5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/cli/js/web/blob.ts b/cli/js/web/blob.ts
index 546ea7e820..899c671358 100644
--- a/cli/js/web/blob.ts
+++ b/cli/js/web/blob.ts
@@ -161,7 +161,7 @@ async function readBytes(
 // Ensures it does not impact garbage collection.
 export const blobBytesWeakMap = new WeakMap<Blob, Uint8Array>();
 
-export class DenoBlob implements Blob {
+class DenoBlob implements Blob {
   [bytesSymbol]: Uint8Array;
   readonly size: number = 0;
   readonly type: string = "";
@@ -216,3 +216,11 @@ export class DenoBlob implements Blob {
     return readBytes(getStream(this[bytesSymbol]).getReader());
   }
 }
+
+// we want the Base class name to be the name of the class.
+Object.defineProperty(DenoBlob, "name", {
+  value: "Blob",
+  configurable: true,
+});
+
+export { DenoBlob };
diff --git a/cli/tests/unit/blob_test.ts b/cli/tests/unit/blob_test.ts
index 70f8fb3d5a..79e6f1f8f0 100644
--- a/cli/tests/unit/blob_test.ts
+++ b/cli/tests/unit/blob_test.ts
@@ -90,3 +90,8 @@ unitTest(async function blobStream(): Promise<void> {
   await read();
   assertEquals(decode(bytes), "Hello World");
 });
+
+unitTest(function blobConstructorNameIsBlob(): void {
+  const blob = new Blob();
+  assertEquals(blob.constructor.name, "Blob");
+});