update spec & wpts (#2482)

* update spec & wpts

restore fetch error

debug time

* fix some test failures for others!!

* fix some test failures for others!!

* fix most remaining failures

* fix remaining WPT fail

* fix fetching blob

* mark websocket WPTs as failing

Author: KhafraDev

lib/core/util.js

@@ -365,6 +365,7 @@ async function * convertIterableToBuffer (iterable) {
   }
 }
 
+/** @type {globalThis['ReadableStream']} */
 let ReadableStream
 function ReadableStreamFrom (iterable) {
   if (!ReadableStream) {
@@ -395,9 +396,9 @@ function ReadableStreamFrom (iterable) {
       },
       async cancel (reason) {
         await iterator.return()
-      }
-    },
-    0
+      },
+      type: 'bytes'
+    }
   )
 }
 

lib/fetch/body.js

@@ -47,16 +47,19 @@ function extractBody (object, keepalive = false) {
     stream = object.stream()
   } else {
     // 4. Otherwise, set stream to a new ReadableStream object, and set
-    //    up stream.
+    //    up stream with byte reading support.
     stream = new ReadableStream({
       async pull (controller) {
-        controller.enqueue(
-          typeof source === 'string' ? textEncoder.encode(source) : source
-        )
+        const buffer = typeof source === 'string' ? textEncoder.encode(source) : source
+
+        if (buffer.byteLength) {
+          controller.enqueue(buffer)
+        }
+
         queueMicrotask(() => readableStreamClose(controller))
       },
       start () {},
-      type: undefined
+      type: 'bytes'
     })
   }
 
@@ -223,21 +226,25 @@ function extractBody (object, keepalive = false) {
           // When running action is done, close stream.
           queueMicrotask(() => {
             controller.close()
+            controller.byobRequest?.respond(0)
           })
         } else {
           // Whenever one or more bytes are available and stream is not errored,
           // enqueue a Uint8Array wrapping an ArrayBuffer containing the available
           // bytes into stream.
           if (!isErrored(stream)) {
-            controller.enqueue(new Uint8Array(value))
+            const buffer = new Uint8Array(value)
+            if (buffer.byteLength) {
+              controller.enqueue(buffer)
+            }
           }
         }
         return controller.desiredSize > 0
       },
       async cancel (reason) {
         await iterator.return()
       },
-      type: undefined
+      type: 'bytes'
     })
   }
 

lib/fetch/dataURL.js

@@ -126,7 +126,13 @@ function URLSerializer (url, excludeFragment = false) {
   const href = url.href
   const hashLength = url.hash.length
 
-  return hashLength === 0 ? href : href.substring(0, href.length - hashLength)
+  const serialized = hashLength === 0 ? href : href.substring(0, href.length - hashLength)
+
+  if (!hashLength && href.endsWith('#')) {
+    return serialized.slice(0, -1)
+  }
+
+  return serialized
 }
 
 // https://infra.spec.whatwg.org/#collect-a-sequence-of-code-points