\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{Manon Gerrd (manongerard)}
\pdfinfo{
  /Title (vue-js.pdf)
  /Creator (Cheatography)
  /Author (Manon Gerrd (manongerard))
  /Subject (Vue.js 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}{89D0FE}
\definecolor{LightBackground}{HTML}{F0F9FE}
\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{Vue.js Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Manon Gerrd (manongerard)} via \textcolor{DarkBackground}{\uline{cheatography.com/195339/cs/40968/}}}
\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}Manon Gerrd (manongerard) \\
  \uline{cheatography.com/manongerard} \\
  \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 30th November, 2023.\\
   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{3.44 cm} x{4.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Main ideas}}  \tn
% Row 0
\SetRowColor{LightBackground}
Single-File Components (*.vue) & encapsulates the component's logic (JavaScript), template (HTML), and styles (CSS) in a single file \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
Options API & beginner-friendly by abstracting away the reactivity details and enforcing code organization via option groups \tn 
% Row Count 10 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Note: there exists also the composition API}  \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}{Create an app with Vite}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/manongerard_1699308147_creation.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{To install npm you might need Node.js: https://nodejs.org/en\{\{nl\}\}ass router, ESLint for good code quality and Prettier for code formatting\{\{nl\}\}npm install : install project dependencies\{\{nl\}\}npm run format : code formatting (from Prettier)\{\{nl\}\}npm run dev: starts development server\{\{nl\}\}vite build: create a production build}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Structure}}  \tn
% Row 0
\SetRowColor{LightBackground}
`\textless{}script\textgreater{}\{\{nl\}\}import {\emph{ChildComp}} from {\emph{'./ChildComp.vue'}}\{\{nl\}\}export default \{\{\{nl\}\}  data(), computed:, methods:, mounted(), watch:,\{\{nl\}\} components:, emits:, created()\{\{nl\}\}    \{...\}\{\{nl\}\}\}\{\{nl\}\}\textless{}/script\textgreater{}` & Where to write vue.js script \tn 
% Row Count 11 (+ 11)
% Row 1
\SetRowColor{white}
\textless{}template\textgreater{} ... \textless{}/template\textgreater{} & Where to write the "HTML" code \tn 
% Row Count 13 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\textless{}style scoped\textgreater{} ... \textless{}/style\textgreater{} & Where to write the CSS code\{\{nl\}\}Applied to elements of the current component only \tn 
% Row Count 18 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Script}}  \tn
% Row 0
\SetRowColor{LightBackground}
`data() \{\{\{nl\}\}  return \{\{\{nl\}\}    {\emph{property}}: {\emph{value}}\{\{nl\}\}  \}\{\{nl\}\}\}` & Properties returned from data() become reactive state and will be exposed on `this` \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
`methods: \{\{\{nl\}\}  {\emph{function}}() \{\{\{nl\}\}    {\emph{code including this.property}}\{\{nl\}\}  \}\{\{nl\}\}\}` & Methods are functions that mutate state and trigger updates. They can be bound as event handlers in templates. \tn 
% Row Count 11 (+ 6)
% Row 2
\SetRowColor{LightBackground}
`mounted() \{\{\{nl\}\}   {\emph{code}}\{\{nl\}\}\}` & Lifecycle hooks are called at different stages of a component's lifecycle. This function will be called when the component is mounted \tn 
% Row Count 18 (+ 7)
% Row 3
\SetRowColor{white}
`computed: \{\{\{nl\}\}  {\emph{fct}}() \{\{\{nl\}\}    return {\emph{code}}\{\{nl\}\}  \}\{\{nl\}\}\}` & Tracks other reactive state used in its computation as dependencies. It caches the result and automatically updates it when its dependencies change. \tn 
% Row Count 26 (+ 8)
% Row 4
\SetRowColor{LightBackground}
`watch: \{\{\{nl\}\}  {\emph{prop}}() \{\{\{nl\}\}    {\emph{code}}\{\{nl\}\}  \}\{\{nl\}\}\}` & The watch callback is called when {\emph{prop}} changes, and receives the new value as the argument \tn 
% Row Count 31 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Script (cont)}}  \tn
% Row 5
\SetRowColor{LightBackground}
`components: \{\{\{nl\}\}  {\emph{ChildComp}}\{\{nl\}\}\}` & Register child component \tn 
% Row Count 3 (+ 3)
% Row 6
\SetRowColor{white}
inside child component\{\{nl\}\}`props: \{\{\{nl\}\}  {\emph{prop}}: {\emph{value}}\{\{nl\}\}\}` & Child component can accept input from the parent \tn 
% Row Count 7 (+ 4)
% Row 7
\SetRowColor{LightBackground}
inside child component\{\{nl\}\}`emits: {[}'{\emph{eventName}}'{]},\{\{nl\}\}created() \{\{\{nl\}\}  this.\$emit('{\emph{eventName}}', '*additional arg')\{\{nl\}\}\}` & Child component emits events to the parent \tn 
% Row Count 14 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Directives}}  \tn
% Row 0
\SetRowColor{LightBackground}
v-text="{\emph{prop}}" & Sets the inner text \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
v-bind:{\emph{attr}}="{\emph{prop}}" or :{\emph{attr}}="{\emph{prop}}" & Bind an attribute to a dynamic value: reactive updates attribute \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
v-on:click="{\emph{fct}}" or @click="{\emph{fct}}" & Listen to DOM events and execute {\emph{fct}} from methods() \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
v-model="{\emph{prop}}" & 2 way data bounding: automatically syncs the form's value to the bound state \tn 
% Row Count 12 (+ 4)
% Row 4
\SetRowColor{LightBackground}
v-model.lazy="{\emph{prop}}" & updates on change event \tn 
% Row Count 14 (+ 2)
% Row 5
\SetRowColor{white}
v-model.trim="{\emph{prop}}" & removes extra whitespace \tn 
% Row Count 16 (+ 2)
% Row 6
\SetRowColor{LightBackground}
v-model.number="{\emph{prop}}" & always return a number \tn 
% Row Count 18 (+ 2)
% Row 7
\SetRowColor{white}
v-if="{\emph{prop}}"\{\{nl\}\}v-else, v-else-if & Render only if {\emph{property}} is truthy \tn 
% Row Count 20 (+ 2)
% Row 8
\SetRowColor{LightBackground}
v-for="{\emph{element}} in {\emph{array}}" :key="{\emph{element.obj}}"\{\{nl\}\}v-for="{\emph{(element, index)}} in {\emph{array}}" :key="{\emph{element.obj}}"\{\{nl\}\}{\emph{*array}} can be replaced by a computed property & Render a list of elements based on {\emph{array}}\{\{nl\}\}Note: always use key \tn 
% Row Count 29 (+ 9)
% Row 9
\SetRowColor{white}
v-once & Sets val once; Never update \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Directives (cont)}}  \tn
% Row 10
\SetRowColor{LightBackground}
v-show & Toggles display CSS value \tn 
% Row Count 2 (+ 2)
% Row 11
\SetRowColor{white}
v-html="{\emph{attr}}" & Sets the inner HTML \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Other}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{ {\emph{property}} \}\} & Render dynamic text based on the value of {\emph{property}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
ref="name" & Template ref: a reference to an element in the template \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
this.\$refs.name & element will be exposed there\{\{nl\}\}Note: only accessible after the component is mounted \tn 
% Row Count 11 (+ 5)
% Row 3
\SetRowColor{white}
\textless{}childComp/\textgreater{} or \textless{}childComp\textgreater{}{\emph{slot content}}\textless{}/childComp\textgreater{} & Render child component \tn 
% Row Count 14 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\textless{}childComp :childProp="dataProp"/\textgreater{} & Parent can pass the prop to the child just like attributes. To pass a dynamic value, we can also use the v-bind syntax \tn 
% Row Count 20 (+ 6)
% Row 5
\SetRowColor{white}
\textless{}childComp @eventName=(arg) =\textgreater{} parentProp = arg"/\textgreater{} & Parent can listen to child-emitted events using v-on \tn 
% Row Count 23 (+ 3)
% Row 6
\SetRowColor{LightBackground}
In child template: \textless{}slot/\textgreater{} or \textless{}slot\textgreater{} {\emph{fallback content}} \textless{}/slot\textgreater{} & Parent can pass down template fragments to the child \tn 
% Row Count 27 (+ 4)
% Row 7
\SetRowColor{white}
\textless{}slot name='{\emph{name}}'\textgreater{}\textless{}/slot\textgreater{}\{\{nl\}\}In parent: \textless{}template v-slot:{\emph{name}}\textgreater{} {\emph{content}} \textless{}/template\textgreater{} & Specify a name to the slot.\{\{nl\}\}By default, the name is 'default' \tn 
% Row Count 32 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Built-in components}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}KeepAlive\textgreater{} & Remembers the state of non-active dynamic components \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\textless{}Teleport\textgreater{} & Moves an element to another place in the DOM structure \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\textless{}Transition\textgreater{} & Animates an element as it is removed from, or added to, our application with v-if or v-show, or with dynamic components. \tn 
% Row Count 9 (+ 5)
% Row 3
\SetRowColor{white}
\textless{}TransitionGroup\textgreater{} & Animates elements that are added to our page with v-for \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}