\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 (yarn-package-manager.pdf)
  /Creator (Cheatography)
  /Author (Greg Finzer (GregFinzer))
  /Subject (Yarn Package Manager Cheat Sheet)
}

% Lengths and widths
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\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}{2B6FE3}
\definecolor{LightBackground}{HTML}{F1F6FD}
\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{Yarn Package Manager Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Greg Finzer (GregFinzer)} via \textcolor{DarkBackground}{\uline{cheatography.com/15280/cs/11442/}}}
\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 13th April, 2017.\\
   Updated 9th June, 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{tabularx}{17.67cm}{x{7.7715 cm} x{9.4985 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Links}}  \tn
% Row 0
\SetRowColor{LightBackground}
Install Yarn & \seqsplit{https://yarnpkg.com/en/docs/install} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Documentation & \seqsplit{https://yarnpkg.com/en/docs} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Get version of Yarn Installed & yarn -{}-version \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{9.1531 cm} x{8.1169 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Migrating from npm}}  \tn
% Row 0
\SetRowColor{LightBackground}
Run first in your project directory on the command line. & yarn \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Change Angular CLI to use yarn & ng set -{}-global \seqsplit{packageManager=yarn} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Install Packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Install a package, update the package.json and yarn.lock files & yarn add \textless{}package-name\textgreater{} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
Install a specific version of a package, update the package.json and yarn.lock files & yarn add \textless{}package-name\textgreater{}@\textless{}version-number\textgreater{} \tn 
% Row Count 9 (+ 5)
% Row 2
\SetRowColor{LightBackground}
Install to dev dependencies & yarn add \textless{}package-name\textgreater{} -{}-dev \tn 
% Row Count 11 (+ 2)
% Row 3
\SetRowColor{white}
Install a package globally & yarn global add \textless{}package-name\textgreater{} \tn 
% Row Count 13 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Get the global cache directory & yarn cache dir \tn 
% Row Count 15 (+ 2)
% Row 5
\SetRowColor{white}
Restore Packages defined in package.json & yarn install \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{9.4985 cm} x{7.7715 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Uninstall Packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Uninstall, remove from package.json, remove from yarn.lock & yarn remove \textless{}package-name\textgreater{} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Uninstall a global package & yarn global remove \textless{}package-name\textgreater{} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Clean from the yarn cache & yarn cache clean \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{10.7074 cm} x{6.5626 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{List Packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
List packages used by your application with no dependencies & yarn list -{}-depth 0 \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
List packages used by your application with dependencies & yarn list \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
List packages installed globally & yarn global ls \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
Get info about a package & yarn info \textless{}package-name\textgreater{} \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Why is a package needed? & yarn why \textless{}package-name\textgreater{} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{9.4985 cm} x{7.7715 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Verify Packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Verify package dependencies & yarn check \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Verify package check sums & yarn check -{}-integrity \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.4623 cm} x{8.8077 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{Upgrading Packages}}  \tn
% Row 0
\SetRowColor{LightBackground}
Show outdated packages & yarn outdated \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Upgrade a package to the latest version & yarn upgrade \textless{}package-name\textgreater{} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Upgrade a package to a specific version & yarn upgrade \textless{}package-name\textgreater{}@\textless{}version-number\textgreater{} \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
Upgrade a global package & yarn global upgrade \textless{}package-name\textgreater{} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Proxy - escape special characters}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{17.67cm}}{yarn config set proxy \seqsplit{http://username:password@yourproxyserver:8080/}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{17.67cm}}{yarn config set https-proxy \seqsplit{http://username:password@yourproxyserver:8080/}} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}