add zen-mode config for wezterm

.config/wezterm/wezterm.lua

@@ -7,6 +7,30 @@ wezterm.on("gui-startup", function()
 	window:gui_window():maximize()
 end)
 
+-- required to allow nvim zen-mode to change the font size
+wezterm.on("user-var-changed", function(window, pane, name, value)
+	local overrides = window:get_config_overrides() or {}
+	if name == "ZEN_MODE" then
+		local incremental = value:find("+")
+		local number_value = tonumber(value)
+		if incremental ~= nil then
+			while number_value > 0 do
+				window:perform_action(wezterm.action.IncreaseFontSize, pane)
+				number_value = number_value - 1
+			end
+			overrides.enable_tab_bar = false
+		elseif number_value < 0 then
+			window:perform_action(wezterm.action.ResetFontSize, pane)
+			overrides.font_size = nil
+			overrides.enable_tab_bar = true
+		else
+			overrides.font_size = number_value
+			overrides.enable_tab_bar = false
+		end
+	end
+	window:set_config_overrides(overrides)
+end)
+
 config = {
 	window_close_confirmation = "NeverPrompt",
 	term = "xterm-256color",