From 7413d5427cfffbb64dda0603590d378f83b8ebbc Mon Sep 17 00:00:00 2001
From: Benedikt Ziemons <ben@rs485.network>
Date: Sat, 1 Jun 2024 16:46:21 +0200
Subject: [PATCH] Fix using #allTabs; it isnt a list

---
 tabview.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tabview.lua b/tabview.lua
index 4828c56..dd22626 100644
--- a/tabview.lua
+++ b/tabview.lua
@@ -1,4 +1,5 @@
 local parent = term.current()
+local tabCount = 0
 local allTabs = {}
 local tabOrder = {}
 local currentTab = nil
@@ -26,6 +27,7 @@ local function addTab(tab, order_idx)
     end
     allTabs[tab.name] = tab
     tabOrder[order_idx] = tab.name
+    tabCount = tabCount + 1
     return tab
 end
 
@@ -43,14 +45,14 @@ local function showTab(name)
 end
 
 local function switchTab()
-    assert(#allTabs > 0, "tabs need to be registered in order to switch tabs")
+    assert(tabCount > 0, "tabs need to be registered in order to switch tabs")
     local idx = 0
     if currentTab ~= nil then
         currentTab.window.setVisible(false)
         idx = tabOrder[currentTab.name]
     end
     idx = idx + 1
-    if idx > #allTabs then
+    if idx > tabCount then
         idx = 1
     end
     currentTab = allTabs[tabOrder[idx]]