diff --git a/lua/wrapinput/init.lua b/lua/wrapinput.lua
similarity index 93%
rename from lua/wrapinput/init.lua
rename to lua/wrapinput.lua
index 352c6cf..56cd468 100644
--- a/lua/wrapinput/init.lua
+++ b/lua/wrapinput.lua
@@ -1,3 +1,9 @@
+---@class wrapinput.UserConfig
+---@field padding? integer
+---@field max_width? integer
+---@field max_height? integer
+---@field win? vim.api.keyset.win_config
+
 ---@class wrapinput.Config
 ---@field prompt string
 ---@field default string
@@ -200,4 +206,12 @@ function M.input(config, on_confirm)
 	setup_autocmds(winnr, bufnr, config)
 end
 
+---@param config? wrapinput.UserConfig
+function M.setup(config)
+	vim.ui.input = function(opts, on_confirm)
+		config = vim.tbl_deep_extend("force", config or {}, opts or {})
+		M.input(config --[[@as wrapinput.Config]], on_confirm)
+	end
+end
+
 return M
diff --git a/plugin/wrapinput.lua b/plugin/wrapinput.lua
deleted file mode 100644
index e9c3ff7..0000000
--- a/plugin/wrapinput.lua
+++ /dev/null
@@ -1,3 +0,0 @@
-vim.ui.input = function(opts, on_confirm)
-	require("wrapinput").input(opts or {}, on_confirm)
-end