From 602ee0d5a1b092faf8f29cac0727a28640aac0b0 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Wed, 23 May 2018 11:27:56 -0400
Subject: [PATCH] Better exception output

---
 Makefile    | 3 ++-
 dispatch.go | 2 +-
 main.go     | 3 ++-
 util.go     | 8 ++++++++
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 6139307814..fca2bc6467 100644
--- a/Makefile
+++ b/Makefile
@@ -14,11 +14,12 @@ TS_FILES = \
 GO_FILES = \
 	assets.go \
 	deno_dir.go \
+	deno_dir_test.go \
 	dispatch.go \
 	main.go \
-	main_test.go \
 	msg.pb.go \
 	os.go \
+	os_test.go \
 	timers.go \
 	util.go
 
diff --git a/dispatch.go b/dispatch.go
index 09e5bad9f2..33b1fdca9a 100644
--- a/dispatch.go
+++ b/dispatch.go
@@ -73,7 +73,7 @@ func DispatchLoop() {
 		case msg := <-resChan:
 			out, err := proto.Marshal(msg)
 			err = worker.SendBytes(out)
-			check(err)
+			exitOnError(err)
 		case <-doneChan:
 			// All goroutines have completed. Now we can exit main().
 			return
diff --git a/main.go b/main.go
index 32f011e917..7c6fdfbd03 100644
--- a/main.go
+++ b/main.go
@@ -52,7 +52,8 @@ func main() {
 	InitTimers()
 
 	main_js := stringAsset("main.js")
-	check(worker.Load("/main.js", main_js))
+	err := worker.Load("/main.js", main_js)
+	exitOnError(err)
 	main_map := stringAsset("main.map")
 
 	cwd, err := os.Getwd()
diff --git a/util.go b/util.go
index 3e0ac63746..9fab27238c 100644
--- a/util.go
+++ b/util.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"net/url"
+	"os"
 )
 
 func assert(cond bool, msg string) {
@@ -21,3 +22,10 @@ func check(e error) {
 		panic(e)
 	}
 }
+
+func exitOnError(err error) {
+	if err != nil {
+		os.Stderr.WriteString(err.Error())
+		os.Exit(1)
+	}
+}