\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{Greg Finzer (GregFinzer)}
\pdfinfo{
  /Title (typescript.pdf)
  /Creator (Cheatography)
  /Author (Greg Finzer (GregFinzer))
  /Subject (TypeScript Cheat Sheet)
}

% Lengths and widths
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\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 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Greg Finzer (GregFinzer)} via \textcolor{DarkBackground}{\uline{cheatography.com/15280/cs/10814/}}}
\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}Greg Finzer (GregFinzer) \\
  \uline{cheatography.com/gregfinzer} \\
        \uline{\seqsplit{www.kellermansoftware.com}}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 9th February, 2017.\\
   Updated 9th February, 2017.\\
   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*}{2}

\begin{tabularx}{8.4cm}{x{1.2 cm} x{6.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{String} & let customerName: string= "John Doe"; \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Number} & let price: number = 19.95; \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Boolean} & let shipped: boolean = false; \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Date & let orderDate: Date = new Date(2017, 2, 9); \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Any & let something: any = "Can be anything"; \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Enum & enum Color \{Red, Green, Blue\}; \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Array & let cards: string{[}{]} = {[}'Visa', 'MasterCard'{]}; \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
Null & let orderId: number = null; \tn 
% Row Count 13 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Tuple & let stateTaxRates: {[}string, number{]}; \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
Void & function log(msg: string): void \{\{\{nl\}\}~~console.log(msg);\{\{nl\}\}\} \tn 
% Row Count 18 (+ 3)
% Row 10
\SetRowColor{LightBackground}
Const & const lives: number = 99; \tn 
% Row Count 19 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Classes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{class OrderLogic \{ \newline     constructor(public order: IOrder) \{  \} \newline  \newline     getOrderTotal(): number \{ \newline         let sum: number = 0; \newline  \newline         for (let orderDetail of this.order.orderDetails) \newline         \{ \newline             sum += orderDetail.price; \newline         \} \newline         return sum; \newline     \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Abstract Classes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{abstract class Person \{ \newline   name: string; \newline   monthlySalary: number; \newline   monthlyBenefits: number; \newline  \newline   abstract calcSalary(): number; \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Inheritance and Implementing Interfaces}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{interface IGPS \{ \newline   getLocation() number; \newline \} \newline  \newline interface ISelfDrive extends IGPS \{ \newline   drive(latitude: number, longitude: number, elevation: number) : void; \newline \} \newline  \newline class Vehicle \{ \newline   make: string; \newline   model:  string; \newline   year:  number; \newline \} \newline  \newline class FlyingCar extends Vehicle  implements ISelfDrive \{ \newline    hasGps: boolean; \newline  \newline   drive(latitude: number, longitude: number, elevation: number)  \{ \newline   \} \newline  \newline   getLocation(): number \{ \newline   \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Usage}}  \tn
% Row 0
\SetRowColor{LightBackground}
Installing TypeScript npm & npm install -g typescript \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Compiling TypeScript & tsc somefile.ts \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
TypeScript Docs & \{\{link="http://www.typescriptlang.org/docs/tutorial.html"\}\}TypeScriptLang.org\{\{/link\}\} \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
Type Definition Files & \{\{link="http://definitelytyped.org/"\}\}DefinatelyTyped.org\{\{/link\}\} \tn 
% Row Count 11 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.32 cm} x{5.68 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Scope/Modifiers}}  \tn
% Row 0
\SetRowColor{LightBackground}
Public (default) & public firstName: string; \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Protected & protected inventory: number; \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Private & private outOfStock: boolean; \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Read Only & readonly pi: number = 3.14159; \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Static & static log(msg: string) \{ console.log(msg) \}; \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Interfaces}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{interface IOrderDetail \{ \newline ~~productName: string; \newline ~~quantity: number; \newline ~~price: number; \newline ~~orderDate: Date; \newline ~~shipped: boolean; \newline ~~//Optional \newline ~~outOfStock?: boolean; \newline ~~//Method \newline ~~calcTax: (taxRate: number) =\textgreater{} number; \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Optional Parameters}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{class Util \{ \newline   log(msg: string, logDate?: Date) \{ \newline     if (logDate) \newline       console.log(logDate + ' ' + msg); \newline     else \newline       console.log(new Date() + ' ' + msg); \newline   \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Rest Parameters}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{class Order \{ \newline   \seqsplit{addOrderDetails(...orderDetails:} IOrderDetail{[}{]}) \{ \newline   \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Column Break}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Namespaces}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{namespace AcmeCorp.Logging \{ \newline   export class Logger \{ \newline        static log(msg: string) : void \{ \newline         console.log(msg); \newline       \}; \newline   \} \newline \} \newline  \newline /// \textless{}reference \seqsplit{path="AcmeCorp.Logging.ts"} /\textgreater{} \newline  \newline //Alias \newline import logger = AcmeCorp.Logging.Logger; \newline  \newline namespace AcmeCorp.OnlineStore \{ \newline   class OrderLogic \{ \newline     calcOrder(): number \{ \newline         logger.log("calculating order"); \newline         return 0; \newline     \} \newline   \} \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}