refact(functions): use `vim.ui` module for edit config prompt

lua/doom/core/functions/init.lua

@@ -488,26 +488,26 @@ end
 
 -- edit_config creates a prompt to modify a doom configuration file
 M.edit_config = function()
-  local selected_config = tonumber(vim.fn.inputlist({
-    "Select a configuration file to edit:",
-    "1. doom_config.lua",
-    "2. doom_modules.lua",
-    "3. doom_userplugins.lua",
-  }))
-  local direction = config.doom.vertical_split and "vert " or ""
-  local open_command = config.doom.new_file_split and "split" or "edit"
-
-  if selected_config == 1 then
-    vim.cmd(("%s%s %s"):format(direction, open_command, require("doom.core.config").source))
-  elseif selected_config == 2 then
-    vim.cmd(("%s%s %s"):format(direction, open_command, require("doom.core.config.modules").source))
-  elseif selected_config == 3 then
-    vim.cmd(
-      ("%s%s %s"):format(direction, open_command, require("doom.core.config.userplugins").source)
-    )
-  elseif selected_config ~= 0 then
-    log.error("Invalid option selected.")
-  end
+  vim.ui.select(
+    { "doom_config.lua", "doom_modules.lua", "doom_userplugins.lua" },
+    { prompt = "Select a configuration file to edit:" },
+    function(_, selected_config_idx)
+      local direction = config.doom.vertical_split and "vert " or ""
+      local open_command = config.doom.new_file_split and "split" or "edit"
+
+      if selected_config_idx == 1 then
+        vim.cmd(("%s%s %s"):format(direction, open_command, require("doom.core.config").source))
+      elseif selected_config_idx == 2 then
+        vim.cmd(("%s%s %s"):format(direction, open_command, require("doom.core.config.modules").source))
+      elseif selected_config_idx == 3 then
+        vim.cmd(
+          ("%s%s %s"):format(direction, open_command, require("doom.core.config.userplugins").source)
+        )
+      elseif selected_config_idx == nil then
+        log.error("Invalid option selected")
+      end
+    end
+  )
 end
 
 -- followings are called from lua/doom/extras/keybindings/leader.lua