From f156a86024fc98e63f42c1c7acccac0af10950ef Mon Sep 17 00:00:00 2001
From: "Kevin (Kun) \"Kassimo\" Qian" <kevinkassimo@gmail.com>
Date: Tue, 25 Sep 2018 01:27:02 -0400
Subject: console.warn goes to stderr (#810)

---
 js/console.ts | 5 ++---
 js/libdeno.ts | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

(limited to 'js')

diff --git a/js/console.ts b/js/console.ts
index c4c36e7b2..00a24e83c 100644
--- a/js/console.ts
+++ b/js/console.ts
@@ -110,7 +110,7 @@ export function stringifyArgs(args: any[]): string {
   return out.join(" ");
 }
 
-type PrintFunc = (x: string) => void;
+type PrintFunc = (x: string, isErr?: boolean) => void;
 
 export class Console {
   constructor(private printFunc: PrintFunc) {}
@@ -125,8 +125,7 @@ export class Console {
 
   // tslint:disable-next-line:no-any
   warn(...args: any[]): void {
-    // TODO Log to stderr.
-    this.printFunc(stringifyArgs(args));
+    this.printFunc(stringifyArgs(args), true);
   }
 
   error = this.warn;
diff --git a/js/libdeno.ts b/js/libdeno.ts
index 142d779c2..8445a2d2b 100644
--- a/js/libdeno.ts
+++ b/js/libdeno.ts
@@ -8,7 +8,7 @@ interface Libdeno {
 
   send(msg: ArrayBufferView): null | Uint8Array;
 
-  print(x: string): void;
+  print(x: string, isErr?: boolean): void;
 
   setGlobalErrorHandler: (
     handler: (
-- 
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