SVGInline code. YAAAAY. Also Category theory talk.

slides/talks/reveal.js-3.5.0/plugin/svginline/data-src-svg.js

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+// Courtesy of...
+// https://github.com/flying-sheep/revealjs-template/blob/master/src/data-src-svg.js
+// as per
+// https://github.com/hakimel/reveal.js/issues/1258
+
+'use strict';
+
+(function() {
+  var svgsToLoad = document.querySelectorAll('svg[data-src]');
+
+  console.log(svgsToLoad)
+
+  var loadSVGs = Array.map(svgsToLoad, function (svg) {
+    fetch(svg.getAttribute('data-src')).then(function (response) {
+      return response.text();
+    }).then(function (svgCode) {
+      var svgDoc = new DOMParser().parseFromString(svgCode, 'image/svg+xml');
+      var newSVG = svgDoc.documentElement;
+      for (var i = 0; i < svg.attributes.length; i++) {
+        var attr = svg.attributes[i];
+        newSVG.setAttribute(attr.name, attr.value);
+      }
+      svg.parentNode.replaceChild(newSVG, svg);
+    });
+  });
+
+  Promise.all(loadSVGs).then(function (val) {
+    var stretchSVGs = document.querySelectorAll('svg.stretch:not([preserveAspectRatio])');
+    Array.call(stretchSVGs, function (svg) {
+      if (!svg.hasAttribute('viewBox')) {
+        var w = svg.getAttribute('width');
+        var h = svg.getAttribute('height');
+        svg.setAttribute('viewBox', '0 0 ' + w + ' ' + h);
+      }
+      svg.setAttribute('preserveAspectRatio', 'xMidYMid meet');
+    });
+  });
+})()