latex-packages/mkessler-hypersetup.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mkessler-hypersetup}[2021-09-06 - Package for setting up hyperref, cleveref and some default hyperref colors]
%%%%%%%%%%%%%%%%%%

\newif\ifenglish\englishtrue
\DeclareOption{german}{\englishfalse}
\DeclareOption{english}{\englishtrue}
\DeclareOption*{\PackageWarning{mkessler-hypersetup}{Unknown '\CurrentOption'}}
\ProcessOptions\relax

%%%Hyperref and setup
\RequirePackage{xcolor} % To compute the colors below
\RequirePackage{etoolbox} % Checking for defined commands

\def\mkessler@hypersetup@exec{
    \RequirePackage{hyperref} % Hyperlinks
    \RequirePackage{cleveref} % Better referencing
    \hypersetup{colorlinks, citecolor=violet, urlcolor=blue!80!black, linkcolor=red!50!black, pdfauthor=\@author, pdftitle=\ifdef{\@course}{\@course}{\@title}}
}

\AtEndPreamble{
    \mkessler@hypersetup@exec
}