ci: systematically pull colors from nvim-web-devicons

scripts/gen-colors.lua

@@ -0,0 +1,39 @@
+#!/usr/bin/env lua
+
+local resolve = dofile('lua/nonicons/resolve.lua')
+local ext_icons = dofile('/tmp/devicons_ext.lua')
+local fname_icons = dofile('/tmp/devicons_fname.lua')
+
+local colors = {}
+
+for ext, icon_name in pairs(resolve.ext_map) do
+  if not colors[icon_name] and ext_icons[ext] then
+    colors[icon_name] = {
+      ext_icons[ext].color,
+      tonumber(ext_icons[ext].cterm_color),
+    }
+  end
+end
+
+for fname, icon_name in pairs(resolve.filename_map) do
+  if not colors[icon_name] and fname_icons[fname] then
+    colors[icon_name] = {
+      fname_icons[fname].color,
+      tonumber(fname_icons[fname].cterm_color),
+    }
+  end
+end
+
+local names = {}
+for name in pairs(colors) do
+  names[#names + 1] = name
+end
+table.sort(names)
+
+io.write("---@type table<string, { [1]: string, [2]: integer }>\n")
+io.write("local M = {\n")
+for _, name in ipairs(names) do
+  local c = colors[name]
+  io.write(string.format("  ['%s'] = { '%s', %d },\n", name, c[1], c[2]))
+end
+io.write("}\n\nreturn M\n")