From 952c8f21e738afcb4df5592fe9ad4bf46f052816 Mon Sep 17 00:00:00 2001
From: Mark Tiedemann <www.marktiedemann@gmail.com>
Date: Thu, 12 Nov 2020 23:11:09 +0100
Subject: fix(std/http): flush body chunks for HTTP chunked encoding (#8349)

Fixes #8339
---
 std/http/_io.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'std/http')

diff --git a/std/http/_io.ts b/std/http/_io.ts
index 1375edbb5..1b6383acc 100644
--- a/std/http/_io.ts
+++ b/std/http/_io.ts
@@ -171,21 +171,21 @@ function parseTrailer(field: string | null): Headers | undefined {
 }
 
 export async function writeChunkedBody(
-  w: Deno.Writer,
+  w: BufWriter,
   r: Deno.Reader,
 ): Promise<void> {
-  const writer = BufWriter.create(w);
   for await (const chunk of Deno.iter(r)) {
     if (chunk.byteLength <= 0) continue;
     const start = encoder.encode(`${chunk.byteLength.toString(16)}\r\n`);
     const end = encoder.encode("\r\n");
-    await writer.write(start);
-    await writer.write(chunk);
-    await writer.write(end);
+    await w.write(start);
+    await w.write(chunk);
+    await w.write(end);
+    await w.flush();
   }
 
   const endChunk = encoder.encode("0\r\n\r\n");
-  await writer.write(endChunk);
+  await w.write(endChunk);
 }
 
 /** Write trailer headers to writer. It should mostly should be called after
-- 
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