performance: avoid reloading config (#2360)

* performance: avoid reloading config

* Rm outdated info in readme

---------

Co-authored-by: Sidhanth Rathod <siduck@tutanota.com>

lua/core/init.lua

@@ -1,6 +1,6 @@
 local opt = vim.opt
 local g = vim.g
-local config = require("core.utils").load_config()
+local config = require("core.utils").config
 
 -------------------------------------- globals -----------------------------------------
 g.nvchad_theme = config.ui.theme

lua/core/utils.lua

@@ -7,10 +7,11 @@ M.load_config = function()
 
   if chadrc_path then
     local chadrc = dofile(chadrc_path)
-
-    config.mappings = M.remove_disabled_keys(chadrc.mappings, config.mappings)
-    config = merge_tb("force", config, chadrc)
-    config.mappings.disabled = nil
+    if chadrc then
+      config.mappings = M.remove_disabled_keys(chadrc.mappings, config.mappings)
+      config = merge_tb("force", config, chadrc)
+      config.mappings.disabled = nil
+    end
   end
 
   return config
@@ -51,6 +52,8 @@ M.remove_disabled_keys = function(chadrc_mappings, default_mappings)
   return default_mappings
 end
 
+M.config = M.load_config()
+
 M.load_mappings = function(section, mapping_opt)
   vim.schedule(function()
     local function set_section_map(section_values)
@@ -74,7 +77,7 @@ M.load_mappings = function(section, mapping_opt)
       end
     end
 
-    local mappings = require("core.utils").load_config().mappings
+    local mappings = require("core.utils").config.mappings
 
     if type(section) == "string" then
       mappings[section]["plugin"] = nil

lua/plugins/configs/cmp.lua

@@ -2,7 +2,7 @@ local cmp = require "cmp"
 
 dofile(vim.g.base46_cache .. "cmp")
 
-local cmp_ui = require("core.utils").load_config().ui.cmp
+local cmp_ui = require("core.utils").config.ui.cmp
 local cmp_style = cmp_ui.style
 
 local field_arrangement = {

lua/plugins/configs/lspconfig.lua

@@ -3,14 +3,13 @@ local M = {}
 -- export on_attach & capabilities for custom lspconfigs
 M.on_attach = function(client, bufnr)
   local utils = require "core.utils"
-  local conf = utils.load_config().ui.lsp
+  local conf = utils.config.ui.lsp
 
   -- semanticTokens
   if not conf.semantic_tokens and client.supports_method "textDocument/semanticTokens" then
     client.server_capabilities.semanticTokensProvider = nil
   end
 
-  -- signature
   if conf.signature and client.server_capabilities.signatureHelpProvider then
     require("nvchad.signature").setup(client, bufnr)
   end

lua/plugins/init.lua

@@ -258,7 +258,7 @@ local default_plugins = {
   },
 }
 
-local config = require("core.utils").load_config()
+local config = require("core.utils").config
 
 if #config.plugins > 0 then
   table.insert(default_plugins, { import = config.plugins })