Minor nil checks

utils/datastore/banhandler.lua

@@ -35,7 +35,7 @@ local try_get_is_banned_token =
 Event.add(
     defines.events.on_player_joined_game,
     function(event)
-        local player = Game.get_player_by_index(event.player_index)
+        local player = game.get_player(event.player_index)
         if not player or not player.valid then
             return
         end

utils/datastore/player_tag_data.lua

@@ -12,6 +12,10 @@ local Public = {}
 local fetch =
     Token.register(
     function(data)
+        if not data then
+            return
+        end
+
         local key = data.key
         local value = data.value
         local player = game.players[key]

utils/debug/_g_view.lua

@@ -95,6 +95,9 @@ Gui.on_click(
 
         local left_panel = element.parent.parent
         local left_panel_data = Gui.get_data(left_panel)
+        if not left_panel_data then
+            return
+        end
         local right_panel = left_panel_data.right_panel
         local selected_header = left_panel_data.selected_header
 

utils/debug/event_view.lua

@@ -133,6 +133,9 @@ Gui.on_text_changed(
     function(event)
         local element = event.element
         local gui_table = Gui.get_data(element)
+        if not gui_table then
+            return
+        end
 
         local filter = element.text:gsub(' ', '_')
 
@@ -149,6 +152,10 @@ Gui.on_click(
     function(event)
         local element = event.element
         local data = Gui.get_data(element)
+        if not data then
+            return
+        end
+
         local filter_textfield = data.filter_textfield
         local gui_table = data.gui_table
 

utils/debug/gui_data_view.lua

@@ -158,11 +158,17 @@ Gui.on_click(
     function(event)
         local element = event.element
         local header_data = Gui.get_data(element)
+        if not header_data then
+            return
+        end
         local values = header_data.values
         local player_index = header_data.player_index
 
         local player_panel = element.parent.parent
         local data = Gui.get_data(player_panel)
+        if not data then
+            return
+        end
         local element_panel = data.element_panel
         local selected_player_header = data.selected_player_header
         local input_text_box = data.input_text_box
@@ -191,11 +197,17 @@ Gui.on_click(
     function(event)
         local element = event.element
         local header_data = Gui.get_data(element)
+        if not header_data then
+            return
+        end
         local stored_data = header_data.stored_data
         local element_index = header_data.element_index
 
         local player_panel = element.parent.parent
         local data = Gui.get_data(player_panel)
+        if not data then
+            return
+        end
         local data_panel = data.data_panel
         local selected_element_header = data.selected_element_header
         local input_text_box = data.input_text_box
@@ -246,6 +258,9 @@ Gui.on_click(
     function(event)
         local element = event.element
         local data = Gui.get_data(element)
+        if not data then
+            return
+        end
 
         local input_text_box = data.input_text_box
         local player_panel = data.player_panel
@@ -263,6 +278,9 @@ Gui.on_click(
         Gui.clear(element_panel)
         if selected_player_header then
             local player_header_data = Gui.get_data(selected_player_header)
+            if not player_header_data then
+                return
+            end
             local values = player_header_data.values
 
             local selected_element_header = draw_element_headers(element_panel, values, selected_element_index)

utils/debug/main_view.lua

@@ -34,7 +34,7 @@ function Public.open_debug(player)
         return
     end
 
-    frame = screen.add {type = 'frame', name = main_frame_name, caption = 'Debuggertron 3003', direction = 'vertical'}
+    frame = screen.add {type = 'frame', name = main_frame_name, caption = 'Debuggertron 3004', direction = 'vertical'}
     frame.auto_center = true
     local frame_style = frame.style
     frame_style.height = 600
@@ -73,6 +73,9 @@ Gui.on_click(
     function(event)
         local element = event.element
         local data = Gui.get_data(element)
+        if not data then
+            return
+        end
 
         local index = data.index
         local frame_data = data.frame_data

utils/debug/package_view.lua

@@ -87,6 +87,9 @@ Gui.on_click(
 
         local left_panel = element.parent.parent
         local data = Gui.get_data(left_panel)
+        if not data then
+            return
+        end
 
         local selected_file_label = data.selected_file_label
 

utils/debug/public_global_view.lua

@@ -89,7 +89,7 @@ Gui.on_click(
         element.style.font_color = Color.orange
         data.selected_header = element
 
-        input_text_box.text = concat {'global.tokens[', token_id, ']'}
+        input_text_box.text = concat {'global.tokens.', token_id}
         input_text_box.style.font_color = Color.black
 
         local id = Token.get_global(token_id)