feat(extras): add XResources theme

Author: mehalter

lua/astrotheme/extras/init.lua

@@ -29,6 +29,7 @@ M.extras = {
   wezterm          = { ext = "toml", url = "https://wezfurlong.org/wezterm/config/files.html", label = "WezTerm" },
   windows_terminal = { ext = "json", url = "https://aka.ms/terminal-documentation", label = "Windows Terminal" },
   xfceterm         = { ext = "theme", url = "https://docs.xfce.org/apps/terminal/advanced", label = "Xfce Terminal" },
+  xresources       = { ext = "Xresources", url = "https://wiki.archlinux.org/title/X_resources", label = "Xresources" },
 }
 
 function M.setup()

lua/astrotheme/extras/xresources.lua

@@ -0,0 +1,36 @@
+local util = require "astrotheme.extras"
+
+local M = {}
+
+--- @param colors AstroThemePalette
+function M.generate(colors)
+  return util.template(
+    [[
+! ${_style_name} colors for Xresources
+
+*background: ${ui.base}
+*foreground: ${syntax.text}
+
+*color0: ${term.black}
+*color1: ${term.red}
+*color2: ${term.green}
+*color3: ${term.yellow}
+*color4: ${term.blue}
+*color5: ${term.purple}
+*color6: ${term.cyan}
+*color7: ${term.white}
+
+*color8: ${term.bright_black}
+*color9: ${term.bright_red}
+*color10: ${term.bright_green}
+*color11: ${term.bright_yellow}
+*color12: ${term.bright_blue}
+*color13: ${term.bright_purple}
+*color14: ${term.bright_cyan}
+*color15: ${term.bright_white}
+]],
+    colors
+  )
+end
+
+return M