From e763a6084046580484e7b5793703d703b6b50e95 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Fri, 14 Sep 2018 22:44:17 +0200
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20read=20package.scripts=20if=20t?=
 =?UTF-8?q?here=E2=80=99s=20no=20scripts=20defined=20(#5168)?=
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---
 bin/next-dev | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/bin/next-dev b/bin/next-dev
index 2a3c8f6c..89227ae5 100755
--- a/bin/next-dev
+++ b/bin/next-dev
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 import { resolve, join } from 'path'
 import parseArgs from 'minimist'
-import { existsSync, readFileSync } from 'fs'
+import { existsSync } from 'fs'
 import Server from '../server'
 import { printAndExit } from '../lib/utils'
 
@@ -65,9 +65,14 @@ srv.start(argv.port, argv.hostname)
       const pkgAppPath = require('find-up').sync('package.json', {
         cwd: dir
       })
-      const appPackage = JSON.parse(readFileSync(pkgAppPath, 'utf8'))
-      const nextScript = Object.entries(appPackage.scripts).find(scriptLine => scriptLine[1] === 'next')
-      if (nextScript) errorMessage += `\nUse \`npm run ${nextScript[0]} -- -p <some other port>\`.`
+      const appPackage = require(pkgAppPath)
+      if (appPackage.scripts) {
+        const nextScript = Object.entries(appPackage.scripts).find(scriptLine => scriptLine[1] === 'next')
+        if (nextScript) {
+          errorMessage += `\nUse \`npm run ${nextScript[0]} -- -p <some other port>\`.`
+        }
+      }
+
       console.error(errorMessage)
     } else {
       console.error(err)