From dda5cc1e5cf0a5269b6d2e2c7c9a1a0121f8257c Mon Sep 17 00:00:00 2001
From: Jeff Christy <jeff@noterrific.com>
Date: Sat, 18 Aug 2018 13:38:26 -0500
Subject: [PATCH] Prevent unhandled exception when packages is not iterable

This happens consistently when installed on Windows 10 WSL with Ubuntu
18.04 from a clean install
---
 lib/install-panel.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/install-panel.js b/lib/install-panel.js
index aee566a7..88a9e3b3 100644
--- a/lib/install-panel.js
+++ b/lib/install-panel.js
@@ -250,6 +250,9 @@ export default class InstallPanel {
   }
 
   addPackageViews (container, packages) {
+    if (packages == null || typeof packages[Symbol.iterator] !== 'function') {
+      return
+    }
     for (const pack of packages) {
       this.addPackageCardView(container, this.getPackageCardView(pack))
     }