From b8a537d020f5e4495572daa4d8a59f51fa3b20d1 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Tue, 26 Feb 2019 17:36:05 -0500
Subject: deno_core (#1827)

A new low-level crate with focus on speed.
This doesn't yet hook into the existing code base.
---
 js/dispatch.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'js')

diff --git a/js/dispatch.ts b/js/dispatch.ts
index e52a6f64c..55ea682fc 100644
--- a/js/dispatch.ts
+++ b/js/dispatch.ts
@@ -17,7 +17,7 @@ export function setFireTimersCallback(fn: () => void) {
 export function handleAsyncMsgFromRust(ui8: Uint8Array) {
   // If a the buffer is empty, recv() on the native side timed out and we
   // did not receive a message.
-  if (ui8.length) {
+  if (ui8 && ui8.length) {
     const bb = new flatbuffers.ByteBuffer(ui8);
     const base = msg.Base.getRootAsBase(bb);
     const cmdId = base.cmdId();
-- 
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