From bd4a0af9576631abbcce5c107c72a0327c768e86 Mon Sep 17 00:00:00 2001
From: Randall Maas <randym@acm.org>
Date: Sat, 21 Nov 2020 20:08:09 -0600
Subject: [PATCH] Update pterm.js

Fixes an error where events.key.length undefined throws exception
---
 site/js/pterm.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/site/js/pterm.js b/site/js/pterm.js
index 3b97cb6..7bd69ca 100644
--- a/site/js/pterm.js
+++ b/site/js/pterm.js
@@ -437,7 +437,7 @@ function pterm_process_key(event) {
       pterm_current_pos--;
     }
   }
-  else if((32 <= event.keyCode && event.keyCode <= 126) || (event.key.length == 1)) {
+  else if((32 <= event.keyCode && event.keyCode <= 126) || (event.key && event.key.length == 1)) {
     let key = event.key;
 
     pterm_current_line = pterm_current_line.substring(0, pterm_current_pos) + 
@@ -467,4 +467,4 @@ $(document).on("paste", function(event){
   $(".pterm-current > .pterm-text").html(pterm_current_line);
   $(".pterm-current").width(w * (pterm_current_line.length + 1));
   $(".pterm-cursor").css("left", w * pterm_current_pos);
-});
\ No newline at end of file
+});