Small tweaks

lua/taken/utils/themefuncs.lua

@@ -6,8 +6,9 @@ local prefsFile = configDir .. "/lua/taken/prefs.lua"
 local getAllThemes = function()
     vim.api.nvim_exec_autocmds("User", { pattern = "ThemeSwitcher", modeline = false })
 
-    local colors = vim.fn.globpath(vim.o.rtp, "colors/*", 1, 1)
+    local colors = vim.fn.globpath(vim.o.rtp, "colors/*", true, 1)
     local dataDir = vim.fn.stdpath("data")
+    ---@diagnostic disable-next-line: param-type-mismatch
     local newpath = string.gsub(dataDir, "%-", "%%-")
     local themes = {}
 
@@ -35,10 +36,22 @@ end
 local change_theme = function(old, new)
     -- function from nvchad
     local file = io.open(prefsFile, "r")
+
+    if file == nil then
+        vim.notify("Could not open " .. prefsFile, 4)
+        return
+    end
+
     local added_pattern = string.gsub(old, "-", "%%-")
     local new_content = file:read("*all"):gsub(added_pattern, new)
 
     file = io.open(prefsFile, "w")
+
+    if file == nil then
+        vim.notify("Could not open " .. prefsFile, 4)
+        return
+    end
+
     file:write(new_content)
     file:close()
 end