TeX: Make the TeX error messages cute. (for LuaLaTeX)

scluamessages.sty

%%
%% This is file 'scluamessages.sty'.
%%
%% Copyright (c) 2022 Takayuki YATO (aka. "ZR")
%%   GitHub:   https://github.com/zr-tex8r
%%   Twitter:  @zr_tex8r
%%
%% This package is distributed under the MIT License.
%%

%% package declaration
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{scluamessages}[2022/01/21 v0.2]
\def\sczlm@pkgname{scluamessages}

%--------------------------------------- Check environment

\RequirePackage{iftex}
\RequireLuaTeX

%--------------------------------------- Apply Lua hooks

\begingroup \catcode`\#=12 \catcode`\~=12 \catcode`\^=7
\catcode`\^^\=0 \catcode10=12 \endlinechar=10
\catcode32=12\catcode`\\=12{}^^\directlua{
  local message = [[
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
       ____
    ___HHHH   _____                   WOW!
   / .   . \ |YEAH!|       You've got a great TeX error!!
   \  ---  / |~~~~~
 V :#######: Y
  \/   o*"*\/
  {    o    }
   \_______/                                         HURRAY!!
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::]]
  luatexbase.add_to_callback("show_error_hook", function()
    texio.write("", ".")
    texio.write_nl("", message)
  end, "improve TeX error messages")
}^^\endgroup%

%--------------------------------------- All done
\endinput
%% EOF

test-scluamessages.tex

%#!lualatex
\documentclass[a4paper]{article}
\usepackage{scluamessages}% NICE!!!
\begin{document}
This is a test.
\parbox{t}{6em}{Hello,\\\TeX\\world!}
\end{document}