From 24782347e828569c0e4290ce068b47fa4882f9d3 Mon Sep 17 00:00:00 2001
From: Fabian Cook <hello@fabiancook.dev>
Date: Sat, 29 Jan 2022 12:24:05 +1300
Subject: [PATCH 1/3] Response.json as per
 https://github.com/whatwg/fetch/issues/1389

---
 src/response.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/response.ts b/src/response.ts
index 9249e77..4ea3117 100644
--- a/src/response.ts
+++ b/src/response.ts
@@ -78,6 +78,17 @@ class Response extends Body {
     return response;
   }
 
+  static json(body: unknown, init?: ResponseInit) {
+    const headers = new Headers(init?.headers);
+    if (!headers.has("Content-Type")) {
+      headers.set("Content-Type", "application/json");
+    }
+    return new Response(JSON.stringify(body), {
+      ...init,
+      headers
+    });
+  }
+
 }
 
 export { Response };

From 15c05d49b71d3a2be706a173dccecd3d3259496f Mon Sep 17 00:00:00 2001
From: Fabian Cook <hello@fabiancook.dev>
Date: Sat, 29 Jan 2022 23:06:53 +1300
Subject: [PATCH 2/3] Include arrayBuffer, formData, blob, text, as per
 https://github.com/whatwg/fetch/issues/1389\#issuecomment-1024842588

---
 src/response.ts | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/src/response.ts b/src/response.ts
index 4ea3117..702c0eb 100644
--- a/src/response.ts
+++ b/src/response.ts
@@ -1,5 +1,6 @@
 import { Body, BodyInit } from "./body";
 import { Headers, HeadersInit } from "./headers";
+import * as Buffer from "buffer";
 
 export type ResponseInit = Response | {
   status?: number;
@@ -89,6 +90,50 @@ class Response extends Body {
     });
   }
 
+  static blob(body: Blob, init?: ResponseInit) {
+    const headers = new Headers(init?.headers);
+    if (!headers.has("Content-Type")) {
+      headers.set("Content-Type", body.type ?? "application/octet-stream");
+    }
+    return new Response(body, {
+      ...init,
+      headers
+    });
+  }
+
+  static arrayBuffer(body: ArrayBuffer | Buffer, init?: ResponseInit) {
+    const headers = new Headers(init?.headers);
+    if (!headers.has("Content-Type")) {
+      headers.set("Content-Type", "application/octet-stream");
+    }
+    return new Response(body, {
+      ...init,
+      headers
+    });
+  }
+
+  static text(body: string, init?: ResponseInit) {
+    const headers = new Headers(init?.headers);
+    if (!headers.has("Content-Type")) {
+      headers.set("Content-Type", "text/plain");
+    }
+    return new Response(body, {
+      ...init,
+      headers
+    });
+  }
+
+  static formData(body: FormData, init?: ResponseInit) {
+    const headers = new Headers(init?.headers);
+    if (!headers.has("Content-Type")) {
+      headers.set("Content-Type", "multipart/form-data");
+    }
+    return new Response(body, {
+      ...init,
+      headers
+    });
+  }
+
 }
 
 export { Response };

From 00b1fb3906741e28b450a293cd7b5ff177607acd Mon Sep 17 00:00:00 2001
From: Fabian Cook <hello@fabiancook.dev>
Date: Sat, 29 Jan 2022 23:08:14 +1300
Subject: [PATCH 3/3] remove buffer reference

---
 src/response.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/response.ts b/src/response.ts
index 702c0eb..f7f1356 100644
--- a/src/response.ts
+++ b/src/response.ts
@@ -1,6 +1,5 @@
 import { Body, BodyInit } from "./body";
 import { Headers, HeadersInit } from "./headers";
-import * as Buffer from "buffer";
 
 export type ResponseInit = Response | {
   status?: number;