fix(http): Skip 0 chunks when writing body (denoland/deno_std#387)

Original: https://github.com/denoland/deno_std/commit/79d5f556ba22d6fa9426825234cc8c49d37caf2c

1 files changed, 2 insertions, 1 deletions

diff --git a/http/server.ts b/http/server.ts
index 0892b26f7..484ecf808 100644
--- a/http/server.ts
+++ b/http/server.ts
@@ -1,5 +1,5 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-const { listen, toAsyncIterator, copy } = Deno;
+const { listen, copy, toAsyncIterator } = Deno;
 type Conn = Deno.Conn;
 type Reader = Deno.Reader;
 type Writer = Deno.Writer;
@@ -79,6 +79,7 @@ async function writeChunkedBody(w: Writer, r: Reader): Promise<void> {
   const encoder = new TextEncoder();
 
   for await (const chunk of toAsyncIterator(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);