create colorscheme builder script

inspired by https://github.com/savq/melange

lua/zenbones/build.lua

@@ -0,0 +1,55 @@
+local lush = require "lush"
+local theme = require "zenbones"
+
+local viml_template = [[
+if exists('g:colors_name')
+    highlight clear
+    syntax reset
+    set t_Co=256
+endif
+
+set background=light
+let g:colors_name = 'zenbones'
+
+%s
+if has('terminal')
+    let g:terminal_ansi_colors = [
+                \ g:terminal_color_0,
+                \ g:terminal_color_1,
+                \ g:terminal_color_2,
+                \ g:terminal_color_3,
+                \ g:terminal_color_4,
+                \ g:terminal_color_5,
+                \ g:terminal_color_6,
+                \ g:terminal_color_7,
+                \ g:terminal_color_8,
+                \ g:terminal_color_9,
+                \ g:terminal_color_10,
+                \ g:terminal_color_11,
+                \ g:terminal_color_12,
+                \ g:terminal_color_13,
+                \ g:terminal_color_14,
+                \ g:terminal_color_15
+                \ ]
+endif
+
+%s
+]]
+
+local function viml_build()
+	local termcolors = ""
+	for i, v in ipairs(require("zenbones.terminal").colors) do
+		termcolors = termcolors .. string.format("let g:terminal_color_%s = '%s'\n", (i - 1), v.hex)
+	end
+
+	-- Compile lush table, concatenate to a single string, and remove blend property
+	local vimcolors = table.concat(vim.fn.sort(lush.compile(theme, { exclude_keys = { "blend" } })), "\n")
+	local content = vim.fn.split(string.format(viml_template, termcolors, vimcolors), "\n")
+	vim.fn.writefile(content, "colors/zenbones.vim")
+end
+
+local function build()
+	viml_build()
+end
+
+return { build = build }