+ defp load_pack(pack_dir, emoji_groups) do
+ pack_name = Path.basename(pack_dir)
+
+ emoji_txt = Path.join(pack_dir, "emoji.txt")
+
+ if File.exists?(emoji_txt) do
+ load_from_file(emoji_txt, emoji_groups)
+ else
+ Logger.info(
+ "No emoji.txt found for pack \"#{pack_name}\", assuming all .png files are emoji"
+ )
+
+ make_shortcode_to_file_map(pack_dir, [".png"])
+ |> Enum.map(fn {shortcode, rel_file} ->
+ filename = Path.join("/emoji/#{pack_name}", rel_file)
+
+ {shortcode, filename, [to_string(match_extra(emoji_groups, filename))]}
+ end)
+ end
+ end
+
+ def make_shortcode_to_file_map(pack_dir, exts) do
+ find_all_emoji(pack_dir, exts)
+ |> Enum.map(&Path.relative_to(&1, pack_dir))
+ |> Enum.map(fn f -> {f |> Path.basename() |> Path.rootname(), f} end)
+ |> Enum.into(%{})
+ end
+
+ def find_all_emoji(dir, exts) do
+ Enum.reduce(
+ File.ls!(dir),
+ [],
+ fn f, acc ->
+ filepath = Path.join(dir, f)
+
+ if File.dir?(filepath) do
+ acc ++ find_all_emoji(filepath, exts)
+ else
+ acc ++ [filepath]
+ end
+ end
+ )
+ |> Enum.filter(fn f -> Path.extname(f) in exts end)
+ end
+
+ defp load_from_file(file, emoji_groups) do