\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Denis Bednov (denisbednov)}
\pdfinfo{
  /Title (typescript-2-1-4.pdf)
  /Creator (Cheatography)
  /Author (Denis Bednov (denisbednov))
  /Subject (TypeScript 2.1.4 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{294E80}
\definecolor{LightBackground}{HTML}{F1F3F7}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{TypeScript 2.1.4 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Denis Bednov (denisbednov)} via \textcolor{DarkBackground}{\uline{cheatography.com/33000/cs/10252/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Denis Bednov (denisbednov) \\
  \uline{cheatography.com/denisbednov} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 16th December, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \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*}{3}

\begin{tabularx}{5.377cm}{p{0.69678 cm} x{4.28022 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Variables}}  \tn
% Row 0
\SetRowColor{LightBackground}
var & Same as ES5 (function-scoped). \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
let & Block-scoped (like ES6). \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
const & Same as `let`, but readonly. \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.89586 cm} x{4.08114 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Base types}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Boolean} & `{\bf{boolean}}: true | false` \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Number & `{\bf{number}}: decimal | hex | binary | octal` \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
String & `{\bf{string}}: '...' | "..." | \textbackslash{}`...\$\{...\}...\textbackslash{}`` \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Array & `{\bf{type}}{[}{]} | {\bf{type}}{[}{]}{[}{]} | Array\textless{}{\bf{type}}\textgreater{}` \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Tuple & `{[}{\bf{type}}, {\bf{type}}, {\bf{...}}{]}` \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
Enum & `{\bf{enum}} X \{ A = 1, B, C, ... \};` \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Any & `{\bf{any}}` \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
Void & `function f(): {\bf{void}}` \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Null & `let n: null = null;` \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
\seqsplit{Undefined} & `let u: undefined = undefined;` \tn 
% Row Count 15 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Never & Use for {\bf{functions}}, which {\bf{never}} ends. \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{`{\bf{-{}-strictNullChecks}}` - check for assignement.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Destructuring}}  \tn
% Row 0
\SetRowColor{LightBackground}
Array & `i = {[}1, 2{]};\{\{nl\}\}{[}f, s{]} = i;\{\{nl\}\}{[}f, s{]} = {[}s, f{]};\{\{nl\}\}f({[}f, s{]}: {[}number, number{]})\{\{nl\}\}{[}f, s, ...r{]} = {[}1, 2, 3, 4{]};\{\{nl\}\}{[}f{]} = {[}1, 2, 3, 4{]};\{\{nl\}\}{[}, s, , f{]} = {[}1, 2, 3, 4{]};` \tn 
% Row Count 8 (+ 8)
% Row 1
\SetRowColor{white}
Object & `o = \{ a: "f", b: 1, c: "b" \}\{\{nl\}\}\{ a, b \} = o;\{\{nl\}\}(\{ a, b \} = \{ a: "b", b: 1 \});\{\{nl\}\}\{ a, ...p \} = o;` \tn 
% Row Count 13 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}Property renaming & \{\{nobreak\}\}`\{ a: n1, b: n2 \} = o;\{\{nl\}\}\{ a, b \}: \{ a: string, b: number \} = o;` \tn 
% Row Count 17 (+ 4)
% Row 3
\SetRowColor{white}
Default values & `\{ a, b = 1 \} = o;` \tn 
% Row Count 18 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}Function declarations & \{\{nobreak\}\}`f(o: \{ a: string, b?: number \})` \tn 
% Row Count 20 (+ 2)
% Row 5
\SetRowColor{white}
Spread & \{\{nobreak\}\}`let f = {[}1, 2{]};\{\{nl\}\}let s = {[}3, 4{]};\{\{nl\}\}let b = {[}0, ...f, ...s, 5{]};\{\{nl\}\}\textgreater{} {[}0, 1, 2, 3, 4, 5{]}` \tn 
% Row Count 25 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Interface}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{interface}} LabelledValue \{ \newline     ... \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Optional parameters}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{`name{\bf{?}}: \textless{}type\textgreater{};`} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Readonly properties}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{interface Point \{ \newline     {\bf{readonly}} x: number; \newline     ... \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{ReadonlyArray\textless{}T\textgreater{} \newline Variables use {\bf{const}} whereas properties use {\bf{readonly}}.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}