[3/4] Refactor: init: Use async | Move theme stuff to theme.lua

third commit of refactor

perf improvements due to async

run packer sync if base16 not found

this is not perfect error handling for initial run, but something

handle require errors

init.lua

@@ -1,14 +1,28 @@
--- load all plugins
-require "pluginList"
+-- load all options
 require "options"
 
--- colorscheme related stuff
-vim.g.nvchad_theme = "onedark"
-local base16 = require "base16"
-base16(base16.themes["onedark"], true)
+-- only try to load stuff if atleast base16 is initialized
+-- TODO: Find a better way to trigger PackerSync
+if require "theme" then
+    local async
+    async =
+        vim.loop.new_async(
+        vim.schedule_wrap(
+            function()
+                require "pluginList"
+                require "plugins.bufferline"
+                require "highlights"
+                require "mappings"
+                require("utils").hideStuff()
 
-require "highlights"
-require "mappings"
-require "plugins.bufferline"
-
-require("utils").hideStuff()
+                async:close()
+            end
+        )
+    )
+    async:send()
+else
+    -- otherwise run packer sync
+    require "pluginList"
+    print("Now PackerSync will be executed, after completion, restart neovim.\n")
+    vim.cmd("PackerSync")
+end

lua/mappings.lua

@@ -76,7 +76,17 @@ _G.s_tab_complete = function()
 end
 
 function _G.completions()
-    local npairs = require("nvim-autopairs")
+    local npairs
+    if
+        not pcall(
+            function()
+                npairs = require "nvim-autopairs"
+            end
+        )
+     then
+        return
+    end
+
     if vim.fn.pumvisible() == 1 then
         if vim.fn.complete_info()["selected"] ~= -1 then
             return vim.fn["compe#confirm"]("<CR>")

lua/theme.lua

@@ -0,0 +1,21 @@
+-- colorscheme related stuff
+vim.g.nvchad_theme = "onedark"
+
+local base16
+if
+    not pcall(
+        function()
+            base16 = require "base16"
+        end
+    )
+ then
+    return false
+else
+    base16(base16.themes["onedark"], true)
+    local cmd = vim.cmd
+
+    -- load bg color before async for smooth transition
+    local background = require("themes/" .. vim.g.nvchad_theme).black
+    vim.cmd("hi Normal guibg=" .. background)
+    return true
+end

lua/utils.lua

@@ -1,17 +1,5 @@
 local M = {}
 
--- blankline config
-M.blankline = function()
-    vim.g.indentLine_enabled = 1
-    vim.g.indent_blankline_char = "▏"
-
-    vim.g.indent_blankline_filetype_exclude = {"help", "terminal", "dashboard"}
-    vim.g.indent_blankline_buftype_exclude = {"terminal"}
-
-    vim.g.indent_blankline_show_trailing_blankline_indent = false
-    vim.g.indent_blankline_show_first_indent_level = false
-end
-
 -- hide line numbers , statusline in specific buffers!
 M.hideStuff = function()
     vim.api.nvim_exec(