♻️ refactor(rooticolor): move color utilities to module

Create a rooticolor module for color utilities that are used in multiple locations in config

lua/config/highlight.lua

@@ -3,44 +3,15 @@
 --          ╰─────────────────────────────────────────────────────────╯
 local M = {}
 
--- Function to convert RGB to hexadecimal
-local function rgb_to_hex(rgb)
-  return string.format("#%02x%02x%02x", rgb[1], rgb[2], rgb[3])
-end
-
-local function get_bg_color(hlgroup)
-  local hl = vim.api.nvim_get_hl(0, { name = hlgroup, link = false })
-  local bg = hl.bg
-  if bg then
-    return rgb_to_hex({
-      bit.rshift(bit.band(bg, 0xFF0000), 16),
-      bit.rshift(bit.band(bg, 0x00FF00), 8),
-      bit.band(bg, 0x0000FF),
-    })
-  end
-  return nil
-end
-
-local function get_fg_color(hlgroup)
-  local hl = vim.api.nvim_get_hl(0, { name = hlgroup, link = false })
-  local fg = hl.fg
-  if fg then
-    return rgb_to_hex({
-      bit.rshift(bit.band(fg, 0xFF0000), 16),
-      bit.rshift(bit.band(fg, 0x00FF00), 8),
-      bit.band(fg, 0x0000FF),
-    })
-  end
-  return nil
-end
+local rooticolor = require("utils.rooticolor")
 
 -- Function to set up indent highlights
 function M.setup_indent_highlight()
   -- Get the background color of CursorLine
-  local cursorline_bg_hex = get_bg_color("CursorLine")
+  local cursorline_bg_hex = rooticolor.get_bg_color("CursorLine")
 
   -- Get the foreground color of Error
-  local miniiconsred_fg_hex = get_fg_color("Error")
+  local miniiconsred_fg_hex = rooticolor.get_fg_color("Error")
 
   local hooks = require("ibl.hooks")
   -- create the highlight groups in the highlight setup hook, so they are reset
@@ -139,27 +110,27 @@ function M.setup_mode_highlight()
   local bg_color
 
   if current_mode == "n" then
-    bg_color = get_bg_color("MiniStatuslineModeNormal")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeNormal")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   elseif current_mode == "v" then
-    bg_color = get_bg_color("MiniStatuslineModeVisual")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeVisual")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   elseif current_mode == "V" then
-    bg_color = get_bg_color("MiniStatuslineModeVisual")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeVisual")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   elseif current_mode == "R" or current_mode == "r" then
-    bg_color = get_bg_color("MiniStatuslineModeReplace")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeReplace")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   elseif current_mode == "i" then
-    bg_color = get_bg_color("MiniStatuslineModeInsert")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeInsert")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   else
-    bg_color = get_bg_color("MiniStatuslineModeNormal")
+    bg_color = rooticolor.get_bg_color("MiniStatuslineModeNormal")
     vim.api.nvim_set_hl(0, "SmoothCursor", { fg = bg_color })
     vim.fn.sign_define("smoothcursor", { text = "" })
   end
@@ -167,7 +138,7 @@ end
 
 function M.setup_dashboard_highlight()
   if not vim.g.DashboardHeaderColor then
-    local dash_color = get_fg_color("Error")
+    local dash_color = rooticolor.get_fg_color("Error")
     vim.api.nvim_set_hl(0, "DashboardHeader", { fg = dash_color })
   else
     vim.api.nvim_set_hl(