Resources attached to the Road To DevOps tutorial
https://blog.noobtoroot.xyz/road-to-devops/
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93 lines
2.1 KiB
93 lines
2.1 KiB
2 years ago
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/**
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* A plugin which enables rendering of math equations inside
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* of reveal.js slides. Essentially a thin wrapper for MathJax.
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*
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* @author Hakim El Hattab
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*/
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var RevealMath = window.RevealMath || (function(){
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var options = Reveal.getConfig().math || {};
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var mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js';
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var config = options.config || 'TeX-AMS_HTML-full';
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var url = mathjax + '?config=' + config;
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var defaultOptions = {
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messageStyle: 'none',
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tex2jax: {
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inlineMath: [ [ '$', '$' ], [ '\\(', '\\)' ] ],
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skipTags: [ 'script', 'noscript', 'style', 'textarea', 'pre' ]
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},
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skipStartupTypeset: true
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};
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function defaults( options, defaultOptions ) {
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for ( var i in defaultOptions ) {
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if ( !options.hasOwnProperty( i ) ) {
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options[i] = defaultOptions[i];
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}
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}
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}
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function loadScript( url, callback ) {
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var head = document.querySelector( 'head' );
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var script = document.createElement( 'script' );
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script.type = 'text/javascript';
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script.src = url;
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// Wrapper for callback to make sure it only fires once
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var finish = function() {
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if( typeof callback === 'function' ) {
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callback.call();
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callback = null;
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}
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}
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script.onload = finish;
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// IE
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script.onreadystatechange = function() {
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if ( this.readyState === 'loaded' ) {
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finish();
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}
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}
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// Normal browsers
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head.appendChild( script );
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}
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return {
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init: function() {
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defaults( options, defaultOptions );
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defaults( options.tex2jax, defaultOptions.tex2jax );
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options.mathjax = options.config = null;
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loadScript( url, function() {
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MathJax.Hub.Config( options );
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// Typeset followed by an immediate reveal.js layout since
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// the typesetting process could affect slide height
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MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub ] );
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MathJax.Hub.Queue( Reveal.layout );
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// Reprocess equations in slides when they turn visible
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Reveal.addEventListener( 'slidechanged', function( event ) {
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MathJax.Hub.Queue( [ 'Typeset', MathJax.Hub, event.currentSlide ] );
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} );
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} );
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}
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}
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})();
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Reveal.registerPlugin( 'math', RevealMath );
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