feat(extras): add iTerm theme

Author: mehalter

.typos.toml

@@ -1,5 +1,6 @@
 [default.extend-words]
 noice = "noice"
+iterm = "iterm"
 
 [files]
 extend-exclude = ["CHANGELOG.md"]

lua/astrotheme/extras/init.lua

@@ -20,6 +20,7 @@ M.extras = {
   foot             = { ext = "ini", url = "https://codeberg.org/dnkl/foot", label = "Foot" },
   gitui            = { ext = "ron", url = "https://github.com/extrawurst/gitui", label = "GitUI" },
   helix            = { ext = "toml", url = "https://helix-editor.com/", label = "Helix" },
+  iterm            = { ext = "itermcolors", url = "https://iterm2.com/", label = "iTerm" },
 }
 
 function M.setup()

lua/astrotheme/extras/iterm.lua

@@ -0,0 +1,108 @@
+local util = require "astrotheme.extras"
+
+local M = {}
+
+local base_component = [[
+	<dict>
+		<key>Alpha Component</key>
+		<real>%s</real>
+		<key>Red Component</key>
+		<real>%s</real>
+		<key>Green Component</key>
+		<real>%s</real>
+		<key>Blue Component</key>
+		<real>%s</real>
+		<key>Color Space</key>
+		<string>sRGB</string>
+	</dict>]]
+
+--- @param colors AstroThemePalette
+function M.generate(colors)
+  local function calculate_component(hex, alpha)
+    hex, alpha = hex:gsub("^#", ""), alpha or 1
+    local r = string.format("%.16f", tonumber("0x" .. hex:sub(1, 2)) / 255)
+    local g = string.format("%.16f", tonumber("0x" .. hex:sub(3, 4)) / 255)
+    local b = string.format("%.16f", tonumber("0x" .. hex:sub(5, 6)) / 255)
+    return base_component:format(tostring(alpha), r, g, b)
+  end
+  local function normalize_colors(_colors)
+    local new_colors = {}
+    for k, v in pairs(_colors) do
+      if type(v) == "table" then
+        new_colors[k] = normalize_colors(v)
+      elseif v:match "^#" then
+        new_colors[k] = calculate_component(v)
+      else
+        new_colors[k] = v
+      end
+    end
+    return new_colors
+  end
+  local iterm_colors = normalize_colors(colors)
+  iterm_colors.cursor_guide = calculate_component(colors.syntax.text, 0.25)
+  iterm_colors.badge = calculate_component(colors.ui.red, 0.5)
+  return util.template(
+    [[
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>Ansi 0 Color</key>
+${term.black}
+	<key>Ansi 1 Color</key>
+${term.red}
+	<key>Ansi 2 Color</key>
+	${term.green}
+	<key>Ansi 3 Color</key>
+${term.yellow}
+	<key>Ansi 4 Color</key>
+${term.blue}
+	<key>Ansi 5 Color</key>
+${term.purple}
+	<key>Ansi 6 Color</key>
+${term.cyan}
+	<key>Ansi 7 Color</key>
+${term.white}
+	<key>Ansi 8 Color</key>
+${term.bright_black}
+	<key>Ansi 9 Color</key>
+${term.bright_red}
+	<key>Ansi 10 Color</key>
+${term.bright_green}
+	<key>Ansi 11 Color</key>
+${term.bright_yellow}
+	<key>Ansi 12 Color</key>
+${term.bright_blue}
+	<key>Ansi 13 Color</key>
+${term.bright_purple}
+	<key>Ansi 14 Color</key>
+${term.bright_cyan}
+	<key>Ansi 15 Color</key>
+${term.bright_white}
+	<key>Background Color</key>
+${ui.base}
+	<key>Badge Color</key>
+${ui.badge}
+	<key>Bold Color</key>
+${ui.accent}
+	<key>Cursor Color</key>
+${syntax.text}
+	<key>Cursor Guide Color</key>
+${cursor_guide}
+	<key>Cursor Text Color</key>
+${ui.base}
+	<key>Foreground Color</key>
+${syntax.text}
+	<key>Link Color</key>
+${syntax.blue}
+	<key>Selected Text Color</key>
+${syntax.text}
+	<key>Selection Color</key>
+${ui.selection}
+</dict>
+</plist>]],
+    iterm_colors
+  )
+end
+
+return M