From a06212af1a86bd1a286df08d446356633628004f Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Tue, 4 Jun 2019 21:03:30 -0400
Subject: [PATCH] write failed responses to stderr

---
 jslib          |  2 +-
 src/program.ts | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/jslib b/jslib
index 802d38f5..a1823f99 160000
--- a/jslib
+++ b/jslib
@@ -1 +1 @@
-Subproject commit 802d38f52e9794567179b9bd9ffc475ceb31323f
+Subproject commit a1823f9931173b982fee10ba4cb84c0ee5078fc3
diff --git a/src/program.ts b/src/program.ts
index a405c9a1..d1748cd2 100644
--- a/src/program.ts
+++ b/src/program.ts
@@ -20,11 +20,12 @@ import { Response } from 'jslib/cli/models/response';
 import { StringResponse } from 'jslib/cli/models/response/stringResponse';
 
 const chalk = chk.default;
-const writeLn = (s: string, finalLine: boolean = false) => {
+const writeLn = (s: string, finalLine: boolean = false, error: boolean = false) => {
+    const stream = error ? process.stderr : process.stdout;
     if (finalLine && process.platform === 'win32') {
-        process.stdout.write(s);
+        stream.write(s);
     } else {
-        process.stdout.write(s + '\n');
+        stream.write(s + '\n');
     }
 };
 
@@ -58,8 +59,8 @@ export class Program extends BaseProgram {
         });
 
         program.on('command:*', () => {
-            writeLn(chalk.redBright('Invalid command: ' + program.args.join(' ')));
-            writeLn('See --help for a list of available commands.', true);
+            writeLn(chalk.redBright('Invalid command: ' + program.args.join(' ')), false, true);
+            writeLn('See --help for a list of available commands.', true, true);
             process.exitCode = 1;
         });