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@@ -0,0 +1,67 @@
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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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+
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+ var options = Reveal.getConfig().math || {};
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+ options.mathjax = options.mathjax || 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js';
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+ options.config = options.config || 'TeX-AMS_HTML-full';
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+ options.tex2jax = options.tex2jax || {
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+ inlineMath: [['$','$'],['\\(','\\)']] ,
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+ skipTags: ['script','noscript','style','textarea','pre'] };
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+
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+ loadScript( options.mathjax + '?config=' + options.config, function() {
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+
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+ MathJax.Hub.Config({
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+ messageStyle: 'none',
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+ tex2jax: options.tex2jax,
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+ skipStartupTypeset: true
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+ });
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+
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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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+
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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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+
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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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+ function loadScript( url, callback ) {
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+
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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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+
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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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+
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+ script.onload = finish;
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+
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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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+
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+ // Normal browsers
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+ head.appendChild( script );
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+
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+ }
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+
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+})();
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