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% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
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% Document Info
\author{mynameisjian}
\pdfinfo{
  /Title (jian-s-typescript-best-practices.pdf)
  /Creator (Cheatography)
  /Author (mynameisjian)
  /Subject (jian's typescript best practices Cheat Sheet)
}

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% Header and Footer
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{jian's typescript best practices Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{mynameisjian} via \textcolor{DarkBackground}{\uline{cheatography.com/71836/cs/18213/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}mynameisjian \\
  \uline{cheatography.com/mynameisjian} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 11th December, 2018.\\
   Updated 10th December, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{General Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
✘ use {\bf{String}} & ✘ use {\bf{Number}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
✘ use {\bf{Object}} & ✘ use {\bf{Boolean}} \tn 
% Row Count 2 (+ 1)
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\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Function Overloads}}  \tn
% Row 0
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\mymulticolumn{1}{x{8.4cm}}{✘ put more general overloads before more specific ones} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{✔︎ sort overloads more general signatures after more specific signatures} \tn 
% Row Count 4 (+ 2)
% Row 2
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\mymulticolumn{1}{x{8.4cm}}{✘ write several overloads that differ only in trailing parameters} \tn 
% Row Count 6 (+ 2)
% Row 3
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\mymulticolumn{1}{x{8.4cm}}{✔︎ use optional parameters whenever possible} \tn 
% Row Count 7 (+ 1)
% Row 4
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\mymulticolumn{1}{x{8.4cm}}{✘ write overloads that differ by type in only one argument position} \tn 
% Row Count 9 (+ 2)
% Row 5
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\mymulticolumn{1}{x{8.4cm}}{✔︎ use union types whenever possible} \tn 
% Row Count 10 (+ 1)
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\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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% Row Count 5 (+ 1)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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% Row Count 1 (+ 1)
% Row 1
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% Row Count 2 (+ 1)
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Callback Types}}  \tn
% Row 0
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\mymulticolumn{1}{x{8.4cm}}{✘ use the return type any} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{✔︎ use the return type void} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{8.4cm}}{✘ use optional parameters in callbacks unless you really mean it} \tn 
% Row Count 4 (+ 2)
% Row 3
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\mymulticolumn{1}{x{8.4cm}}{✔︎ write callback parameters as non-optional} \tn 
% Row Count 5 (+ 1)
% Row 4
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\mymulticolumn{1}{x{8.4cm}}{✔︎ write callback parameters as non-optional} \tn 
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\par\addvspace{1.3em}

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% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{8.4cm}}{✔︎ write a single overload using the maximum arity} \tn 
% Row Count 4 (+ 2)
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}