Defer loading some modules on startup

lua/nvim-surround/config.lua

@@ -1,6 +1,3 @@
-local input = require("nvim-surround.input")
-local functional = require("nvim-surround.functional")
-
 local M = {}
 
 ---@type user_options
@@ -265,6 +262,7 @@ M.default_opts = {
 ---@return string|nil @The user input.
 ---@nodiscard
 M.get_input = function(prompt)
+    local input = require("nvim-surround.input")
     return input.get_input(prompt)
 end
 
@@ -546,6 +544,7 @@ end
 ---@param user_opts user_options The user-provided options.
 ---@return options @The translated options.
 M.translate_opts = function(user_opts)
+    local input = require("nvim-surround.input")
     local opts = {}
     for key, value in pairs(user_opts) do
         if key == "surrounds" then

lua/nvim-surround/init.lua

@@ -1,26 +1,23 @@
-local buffer = require("nvim-surround.buffer")
-local cache = require("nvim-surround.cache")
-local config = require("nvim-surround.config")
-local input = require("nvim-surround.input")
-local utils = require("nvim-surround.utils")
-
 local M = {}
 
 -- Setup the plugin with user-defined options.
 ---@param user_opts user_options|nil The user options.
 M.setup = function(user_opts)
-    config.setup(user_opts)
+    require("nvim-surround.config").setup(user_opts)
 end
 
 -- Configure the plugin on a per-buffer basis.
 ---@param buffer_opts user_options|nil The buffer-local options.
 M.buffer_setup = function(buffer_opts)
-    config.buffer_setup(buffer_opts)
+    require("nvim-surround.config").buffer_setup(buffer_opts)
 end
 
 -- Add delimiters around the cursor, in insert mode.
 ---@param args { line_mode: boolean } Whether or not the delimiters should get put on new lines.
 M.insert_surround = function(args)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local input = require("nvim-surround.input")
     local char = input.get_char()
     local curpos = buffer.get_curpos()
     local delimiters = config.get_delimiters(char, args.line_mode)
@@ -50,6 +47,9 @@ M.pending_surround = false
 ---@param args { selection: selection, delimiters: delimiter_pair, line_mode: boolean }
 ---@return "g@"|nil
 M.normal_surround = function(args)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
     -- Call the operatorfunc if it has not been called yet
     if not args.selection then
         -- Clear the normal cache (since it was user-called)
@@ -83,6 +83,9 @@ end
 -- Add delimiters around a visual selection.
 ---@param args { line_mode: boolean, curpos: position, curswant: number }
 M.visual_surround = function(args)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local input = require("nvim-surround.input")
     local ins_char = input.get_char()
 
     if vim.fn.visualmode() == "V" then
@@ -153,6 +156,10 @@ end
 ---@param args { del_char: string, curpos: position }|nil
 ---@return "g@l"|nil
 M.delete_surround = function(args)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
+    local utils = require("nvim-surround.utils")
     -- Call the operatorfunc if it has not been called yet
     if not args then
         -- Clear the delete cache (since it was user-called)
@@ -186,6 +193,10 @@ end
 ---@param args { curpos: position, del_char: string, add_delimiters: add_func, line_mode: boolean }
 ---@return "g@l"|nil
 M.change_surround = function(args)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
+    local utils = require("nvim-surround.utils")
     -- Call the operatorfunc if it has not been called yet
     if not args.del_char or not args.add_delimiters then
         -- Clear the change cache (since it was user-called)
@@ -248,6 +259,10 @@ end
 
 ---@param mode "char"|"line"|"block"
 M.normal_callback = function(mode)
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
+    local input = require("nvim-surround.input")
     buffer.restore_curpos({ old_pos = M.normal_curpos })
     -- Adjust the ] mark if the operator was in line-mode, e.g. `ip` or `3j`
     if mode == "line" then
@@ -307,6 +322,9 @@ M.normal_callback = function(mode)
 end
 
 M.delete_callback = function()
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
+    local input = require("nvim-surround.input")
     -- Save the current position of the cursor
     local curpos = buffer.get_curpos()
     -- Get a character input if not cached
@@ -322,6 +340,11 @@ M.delete_callback = function()
 end
 
 M.change_callback = function()
+    local config = require("nvim-surround.config")
+    local buffer = require("nvim-surround.buffer")
+    local cache = require("nvim-surround.cache")
+    local input = require("nvim-surround.input")
+    local utils = require("nvim-surround.utils")
     -- Save the current position of the cursor
     local curpos = buffer.get_curpos()
     if not cache.change.del_char or not cache.change.add_delimiters then