feat(ext/fetch): Request.bytes() and Response.bytes() (#23823)

Closes #23790

cli/tsc/dts/lib.dom.d.ts

@@ -3156,6 +3156,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */

cli/tsc/dts/lib.webworker.d.ts

@@ -1029,6 +1029,8 @@ interface Body {
     arrayBuffer(): Promise<ArrayBuffer>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/blob) */
     blob(): Promise<Blob>;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/bytes) */
+    bytes(): Promise<Uint8Array>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/formData) */
     formData(): Promise<FormData>;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Request/json) */

ext/fetch/22_body.js

@@ -296,6 +296,15 @@ function mixinBody(prototype, bodySymbol, mimeTypeSymbol) {
       configurable: true,
       enumerable: true,
     },
+    bytes: {
+      /** @returns {Promise<Uint8Array>} */
+      value: function bytes() {
+        return consumeBody(this, "bytes");
+      },
+      writable: true,
+      configurable: true,
+      enumerable: true,
+    },
     formData: {
       /** @returns {Promise<FormData>} */
       value: function formData() {
@@ -330,7 +339,7 @@ function mixinBody(prototype, bodySymbol, mimeTypeSymbol) {
 /**
  * https://fetch.spec.whatwg.org/#concept-body-package-data
  * @param {Uint8Array | string} bytes
- * @param {"ArrayBuffer" | "Blob" | "FormData" | "JSON" | "text"} type
+ * @param {"ArrayBuffer" | "Blob" | "FormData" | "JSON" | "text" | "bytes"} type
  * @param {MimeType | null} [mimeType]
  */
 function packageData(bytes, type, mimeType) {
@@ -341,6 +350,8 @@ function packageData(bytes, type, mimeType) {
       return new Blob([bytes], {
         type: mimeType !== null ? mimesniff.serializeMimeType(mimeType) : "",
       });
+    case "bytes":
+      return chunkToU8(bytes);
     case "FormData": {
       if (mimeType !== null) {
         const essence = mimesniff.essence(mimeType);

ext/fetch/lib.deno_fetch.d.ts

@@ -58,6 +58,10 @@ declare interface Body {
    * that resolves with a `Blob`.
    */
   blob(): Promise<Blob>;
+  /** Takes a `Response` stream and reads it to completion. It returns a promise
+   * that resolves with a `Uint8Array`.
+   */
+  bytes(): Promise<Uint8Array>;
   /** Takes a `Response` stream and reads it to completion. It returns a promise
    * that resolves with a `FormData` object.
    */

tests/specs/run/045_proxy/proxy_test.ts

@@ -23,7 +23,7 @@ async function handler(req: Request): Promise<Response> {
     method: req.method,
     headers: headers,
   });
-  return new Response(new Uint8Array(await resp.arrayBuffer()), {
+  return new Response(await resp.bytes(), {
     status: resp.status,
     headers: resp.headers,
   });

tests/testdata/fmt/with_config/subdir/a.ts

@@ -22,15 +22,11 @@ Deno.test(
 				.statusText,
 		)
 		const u8a =
-			new Uint8Array(
-				await response
-					.arrayBuffer(),
-			)
+			await response
+				.bytes()
 		const u8a1 =
-			new Uint8Array(
-				await response1
-					.arrayBuffer(),
-			)
+			await response1
+				.bytes()
 		for (
 			let i = 0;
 			i <

tests/unit/fetch_test.ts

@@ -243,8 +243,8 @@ Deno.test({ permissions: { net: true } }, async function responseClone() {
   assert(response !== response1);
   assertEquals(response.status, response1.status);
   assertEquals(response.statusText, response1.statusText);
-  const u8a = new Uint8Array(await response.arrayBuffer());
-  const u8a1 = new Uint8Array(await response1.arrayBuffer());
+  const u8a = await response.bytes();
+  const u8a1 = await response1.bytes();
   for (let i = 0; i < u8a.byteLength; i++) {
     assertEquals(u8a[i], u8a1[i]);
   }
@@ -675,7 +675,7 @@ Deno.test(
         ["Foo", "Bar"],
       ],
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -709,7 +709,7 @@ Deno.test(
         ["Accept-Language", "en-US"],
       ],
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -743,7 +743,7 @@ Deno.test(
       ],
       body,
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -782,7 +782,7 @@ Deno.test(
       ],
       body,
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -816,7 +816,7 @@ Deno.test(
         ["Content-Length", "10"],
       ],
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -847,7 +847,7 @@ Deno.test(
         ["Transfer-Encoding", "chunked"],
       ],
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -933,7 +933,7 @@ Deno.test(function responseRedirectTakeURLObjectAsParameter() {
 
 Deno.test(async function responseWithoutBody() {
   const response = new Response();
-  assertEquals(await response.arrayBuffer(), new ArrayBuffer(0));
+  assertEquals(await response.bytes(), new Uint8Array(0));
   const blob = await response.blob();
   assertEquals(blob.size, 0);
   assertEquals(await blob.arrayBuffer(), new ArrayBuffer(0));
@@ -1214,7 +1214,7 @@ Deno.test(
       ],
       body: stream.readable,
     });
-    await response.arrayBuffer();
+    await response.body?.cancel();
     assertEquals(response.status, 404);
     assertEquals(response.headers.get("Content-Length"), "2");
 
@@ -1793,10 +1793,9 @@ Deno.test(
     const listener = invalidServer(addr, body);
     const response = await fetch(`http://${addr}/`);
 
-    const res = await response.arrayBuffer();
+    const res = await response.bytes();
     const buf = new TextEncoder().encode(data);
-    assertEquals(res.byteLength, buf.byteLength);
-    assertEquals(new Uint8Array(res), buf);
+    assertEquals(res, buf);
 
     listener.close();
   },
@@ -1850,10 +1849,10 @@ Deno.test(
 
     // If content-length < totalLength, a maximum of content-length bytes
     // should be returned.
-    const res = await response.arrayBuffer();
+    const res = await response.bytes();
     const buf = new TextEncoder().encode(data);
     assertEquals(res.byteLength, contentLength);
-    assertEquals(new Uint8Array(res), buf.subarray(contentLength));
+    assertEquals(res, buf.subarray(contentLength));
 
     listener.close();
   },
@@ -2029,7 +2028,7 @@ Deno.test(
 Deno.test("Request with subarray TypedArray body", async () => {
   const body = new Uint8Array([1, 2, 3, 4, 5]).subarray(1);
   const req = new Request("https://example.com", { method: "POST", body });
-  const actual = new Uint8Array(await req.arrayBuffer());
+  const actual = await req.bytes();
   const expected = new Uint8Array([2, 3, 4, 5]);
   assertEquals(actual, expected);
 });
@@ -2037,7 +2036,7 @@ Deno.test("Request with subarray TypedArray body", async () => {
 Deno.test("Response with subarray TypedArray body", async () => {
   const body = new Uint8Array([1, 2, 3, 4, 5]).subarray(1);
   const req = new Response(body);
-  const actual = new Uint8Array(await req.arrayBuffer());
+  const actual = await req.bytes();
   const expected = new Uint8Array([2, 3, 4, 5]);
   assertEquals(actual, expected);
 });

tests/unit/http_test.ts

@@ -239,7 +239,7 @@ Deno.test(
       headers: { "connection": "close" },
     });
 
-    await resp.arrayBuffer();
+    await resp.body?.cancel();
     await promise;
   },
 );
@@ -963,7 +963,7 @@ Deno.test(
       await respondWith(new Response(f.readable, { status: 200 }));
     })();
     const resp = await fetch(`http://127.0.0.1:${listenPort}/`);
-    const body = await resp.arrayBuffer();
+    const body = await resp.bytes();
     assertEquals(body.byteLength, 70 * 1024);
     await promise;
     httpConn!.close();
@@ -1293,8 +1293,8 @@ Deno.test(
 
     const resp = await fetch(`http://localhost:${listenPort}/`);
     assertEquals(resp.status, 200);
-    const body = await resp.arrayBuffer();
-    assertEquals(new Uint8Array(body), new Uint8Array([128]));
+    const body = await resp.bytes();
+    assertEquals(body, new Uint8Array([128]));
 
     await promise;
     httpConn!.close();

tests/unit/serve_test.ts

@@ -340,7 +340,7 @@ Deno.test(
       });
 
       const resp = await fetch(`http://localhost:${servePort}`);
-      dataPromise = resp.arrayBuffer();
+      dataPromise = resp.bytes();
     }
 
     assertEquals((await dataPromise).byteLength, 1048576);
@@ -358,7 +358,7 @@ Deno.test(
 
     const [_, data] = await Promise.all([
       server.shutdown(),
-      resp.arrayBuffer(),
+      resp.bytes(),
     ]);
 
     assertEquals(data.byteLength, 1048576);
@@ -1861,13 +1861,12 @@ Deno.test(
       signal: ac.signal,
     });
     const response = await fetch(`http://localhost:${servePort}/`);
-    const body = await response.arrayBuffer();
+    const body = await response.bytes();
     assertEquals(1024 * 1024, body.byteLength);
-    const buffer = new Uint8Array(body);
     for (let i = 0; i < 256; i++) {
       assertEquals(
         i,
-        buffer[i * 4096],
+        body[i * 4096],
         `sentinel mismatch at index ${i * 4096}`,
       );
     }
@@ -2078,8 +2077,8 @@ Deno.test(
     await deferred.promise;
 
     assertEquals(resp.status, 200);
-    const body = await resp.arrayBuffer();
-    assertEquals(new Uint8Array(body), new Uint8Array([128]));
+    const body = await resp.bytes();
+    assertEquals(body, new Uint8Array([128]));
 
     ac.abort();
     await server.finished;
@@ -2694,7 +2693,7 @@ for (const testCase of compressionTestCases) {
             headers: testCase.in as HeadersInit,
           });
           await deferred.promise;
-          const body = await resp.arrayBuffer();
+          const body = await resp.bytes();
           if (testCase.expect == null) {
             assertEquals(body.byteLength, testCase.length);
             assertEquals(
@@ -2731,7 +2730,7 @@ Deno.test(
     const server = Deno.serve({
       handler: async (request) => {
         assertEquals(
-          new Uint8Array(await request.arrayBuffer()),
+          await request.bytes(),
           makeTempData(70 * 1024),
         );
         deferred.resolve();

tests/unit/worker_test.ts

@@ -689,7 +689,7 @@ Deno.test({
 
     assert(worker);
     const response = await fetch("http://localhost:4506");
-    assert(await response.arrayBuffer());
+    assert(await response.bytes());
     worker.terminate();
   },
 });

tests/unit_node/http_test.ts

@@ -174,7 +174,7 @@ Deno.test("[node/http] server can respond with 101, 204, 205, 304 status", async
         // deno-lint-ignore no-explicit-any
         `http://127.0.0.1:${(server.address() as any).port}/`,
       );
-      await res.arrayBuffer();
+      await res.body?.cancel();
       assertEquals(res.status, status);
       server.close(() => resolve());
     });

tests/wpt/runner/expectation.json

@@ -7153,6 +7153,12 @@
       "response": {
         "json.any.html": true,
         "json.any.worker.html": true,
+        "response-blob-realm.any.html": [
+          "realm of the Uint8Array from Response bytes()"
+        ],
+        "response-blob-realm.any.worker.html": [
+          "realm of the Uint8Array from Response bytes()"
+        ],
         "response-init-001.any.html": true,
         "response-init-001.any.worker.html": true,
         "response-init-002.any.html": true,
@@ -8148,7 +8154,11 @@
         "HTTP/1.1 200 ",
         "HTTP/1.1 999 DOES IT MATTER "
       ],
-      "resources-with-0x00-in-header.window.html": false
+      "resources-with-0x00-in-header.window.html": [
+        "Expect network error for script with 0x00 in a header",
+        "Expect network error for frame navigation to resource with 0x00 in a header",
+        "Expect network error for image with 0x00 in a header"
+      ]
     },
     "range": {
       "general.any.html": [
@@ -12825,8 +12835,6 @@
     "eventsource-onopen.any.worker.html": true,
     "eventsource-prototype.any.html": true,
     "eventsource-prototype.any.worker.html": true,
-    "eventsource-request-cancellation.window.any.html": false,
-    "eventsource-request-cancellation.window.any.worker.html": false,
     "eventsource-url.any.html": true,
     "eventsource-url.any.worker.html": true,
     "format-bom-2.any.html": true,
@@ -12883,6 +12891,12 @@
     "eventsource-constructor-stringify.window.html": false,
     "eventsource-cross-origin.window.html": false,
     "eventsource-reconnect.window.html": false,
-    "request-status-error.window.html": false
+    "request-status-error.window.html": false,
+    "eventsource-constructor-empty-url.any.serviceworker.html": false,
+    "eventsource-constructor-empty-url.any.sharedworker.html": false,
+    "eventsource-constructor-url-bogus.any.serviceworker.html": false,
+    "eventsource-constructor-url-bogus.any.sharedworker.html": false,
+    "request-credentials.window.html": false,
+    "request-redirect.window.html": false
   }
-}
+}

tests/wpt/suite

@@ -1 +1 @@
-Subproject commit 5e8f71d73049d4fca2a8cbc62d40e821400f1624
+Subproject commit 915d40b37fbd3554548d5cbec9f335f329ccc944