\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{Chuck}
\pdfinfo{
  /Title (typescript.pdf)
  /Creator (Cheatography)
  /Author (Chuck)
  /Subject (TypeScript 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}{007ACD}
\definecolor{LightBackground}{HTML}{EFF6FB}
\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 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Chuck} via \textcolor{DarkBackground}{\uline{cheatography.com/4027/cs/847/}}}
\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}Chuck \\
  \uline{cheatography.com/chuck} \\
  \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 11th May, 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}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Basic Types}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{number} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{bool} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{string} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{any} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Declarations}}  \tn
% Row 0
\SetRowColor{LightBackground}
var x: any & Basic declaration \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
var x: \{a:any; b:any;\}; & x is an object \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
var x: Foo; & x is instance of class Foo \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.79172 cm} x{3.18528 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Parameters}}  \tn
% Row 0
\SetRowColor{LightBackground}
x:any & Basic parameter \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
x:() =\textgreater{} string & Function that returns string. \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
x:\{a:any;b:any;\} & Object that contains a and b \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
x:Foo & Object that is a class of Foo \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
x?:any & Optional parameter \tn 
% Row Count 8 (+ 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}{Function}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{function a(x:bool); \newline % Row Count 1 (+ 1)
function a(x:number); \newline % Row Count 2 (+ 1)
function a(x:any):bool\{ \newline % Row Count 3 (+ 1)
   return x\%2 == 0; \newline % Row Count 4 (+ 1)
\} \newline % Row Count 5 (+ 1)
a(2);% Row Count 6 (+ 1)
} \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}{Basic Class}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{class Goose\{ \newline % Row Count 1 (+ 1)
   a:number; \newline % Row Count 2 (+ 1)
   private b:bool; \newline % Row Count 3 (+ 1)
   constructor(x: number, y:bool = true)\{ \newline % Row Count 4 (+ 1)
      this.a = x; \newline % Row Count 5 (+ 1)
      this.b = y; \newline % Row Count 6 (+ 1)
   \} \newline % Row Count 7 (+ 1)
\} \newline % Row Count 8 (+ 1)
var x: Goose = new Goose(50);% Row Count 9 (+ 1)
} \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}{Class Inheritance}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{class Suzy extends Goose\{ \newline % Row Count 1 (+ 1)
   constructor(public c: string)\{ \newline % Row Count 2 (+ 1)
      super(0, true); \newline % Row Count 3 (+ 1)
   \} \newline % Row Count 4 (+ 1)
\} \newline % Row Count 5 (+ 1)
var y: Suzy = new Suzy("foo"); \newline % Row Count 6 (+ 1)
console.log(y.c + " | " + y.a); \newline % Row Count 7 (+ 1)
var z: Goose = new Suzy("bar")% Row Count 8 (+ 1)
} \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}{Interface Example}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{interface Foo\{ \newline % Row Count 1 (+ 1)
   a(b:number):bool; \newline % Row Count 2 (+ 1)
\} \newline % Row Count 3 (+ 1)
class Bar implements Foo\{ \newline % Row Count 4 (+ 1)
   a(b:number)\{ \newline % Row Count 5 (+ 1)
      return false; \newline % Row Count 6 (+ 1)
   \} \newline % Row Count 7 (+ 1)
\} \newline % Row Count 8 (+ 1)
var x:Foo = new Bar();% Row Count 9 (+ 1)
} \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}{Function Explination}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Overload functions with bool and number. \newline % Row Count 1 (+ 1)
Create new function that takes a number x and returns a bool. \newline % Row Count 3 (+ 2)
Execute function.% Row Count 4 (+ 1)
} \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}{Class Explination}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Create a new class. \newline % Row Count 1 (+ 1)
Public attribute. \newline % Row Count 2 (+ 1)
Private attribute. \newline % Row Count 3 (+ 1)
constructor with attributes x and y \newline % Row Count 4 (+ 1)
y is optional and defaulted to true. \newline % Row Count 5 (+ 1)
 Instantiate with x as 50 and use default for y% Row Count 6 (+ 1)
} \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}{Inheritance Explination}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{New class that extends Goose \newline % Row Count 1 (+ 1)
constructor. creates a public var c \newline % Row Count 2 (+ 1)
calls inherited constructor. \newline % Row Count 3 (+ 1)
New instance of the class. \newline % Row Count 4 (+ 1)
Accessing public attribute c and a. \newline % Row Count 5 (+ 1)
Making a new Goose using class Suzy.% Row Count 6 (+ 1)
} \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}{Interface Explination}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Create a new Interface \newline % Row Count 1 (+ 1)
   Which much have function a \newline % Row Count 2 (+ 1)
Create a new class that implement Foo \newline % Row Count 3 (+ 1)
   Implement everything in Foo \newline % Row Count 4 (+ 1)
Create a new instance of type Foo% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}