\documentclass[11pt]{article}

\usepackage{fontspec}
\newfontfamily{\emojifont}{Noto Color Emoji}[Renderer=HarfBuzz]
\directlua{
  luaotfload.add_fallback("emojifallback", {
    "Noto Color Emoji:mode=harf;"
  })
}
\setmainfont{$mainfont$}[RawFeature={fallback=emojifallback}]
\setmonofont{Latin Modern Mono}

$if(paperwidth)$
\usepackage[paperwidth=$paperwidth$,paperheight=$paperheight$,margin=$margin$]{geometry}
$else$
\usepackage[paper=$papersize$,margin=$margin$]{geometry}
$endif$
\usepackage{microtype}
\usepackage{parskip}
\usepackage{setspace}
\setstretch{$linespacing$}
\usepackage{xcolor}
\usepackage{graphicx}
\usepackage{float}
\usepackage{booktabs}
\usepackage{longtable}
\usepackage{array}
\usepackage{calc}
\usepackage{etoolbox}
\usepackage{fancyvrb}
\usepackage{fvextra}
\DefineVerbatimEnvironment{Highlighting}{Verbatim}{breaklines,commandchars=\\\{\}}
\usepackage{hyperref}
\hypersetup{
  colorlinks=true,
  linkcolor=black,
  urlcolor=blue,
  citecolor=black,
  pdfauthor={},
  pdftitle={likha-pdf}
}
\urlstyle{same}

\setlength{\emergencystretch}{3em}
\setcounter{secnumdepth}{0}
\setkeys{Gin}{width=\linewidth,keepaspectratio}
\makeatletter
\newsavebox\pandoc@box
\newcommand*\pandocbounded[1]{%
  \sbox\pandoc@box{#1}%
  \Gscale@div\@tempa{\textheight}{\dimexpr\ht\pandoc@box+\dp\pandoc@box\relax}%
  \Gscale@div\@tempb{\linewidth}{\wd\pandoc@box}%
  \ifdim\@tempb\p@<\@tempa\p@
    \scalebox{\@tempb}{\usebox\pandoc@box}%
  \else
    \scalebox{\@tempa}{\usebox\pandoc@box}%
  \fi
}
\makeatother
\let\origfigure\figure
\let\endorigfigure\endfigure
\renewenvironment{figure}[1][] {
    \expandafter\origfigure\expandafter[H]
} {
    \endorigfigure
}
\providecommand{\tightlist}{
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}
}

$if(highlighting-macros)$
$highlighting-macros$
$endif$

$if(hidepages)$
\pagestyle{empty}
$endif$

\begin{document}

$if(title)$
{\huge\bfseries $title$\par}
\vspace{1em}
$endif$

$body$

\end{document}