Merge branch 'master' into chart.html.haml-refactorchart.html.haml-refactor

* master: (484 commits)
  migrate admin:users:* to static bundle
  correct for missing break statement in dispatcher.js
  alias create and update actions to new and edit
  migrate projects:merge_requests:edit to static bundle
  migrate projects:merge_requests:creations:diffs to static bundle
  migrate projects:merge_requests:creations:new to static bundle
  migrate projects:issues:new and projects:issues:edit to static bundle
  migrate projects:branches:index to static bundle
  migrate projects:branches:new to static bundle
  migrate projects:compare:show to static bundle
  migrate projects:environments:metrics to static bundle
  migrate projects:milestones:* and groups:milestones:* to static bundle
  migrate explore:groups:index to static bundle
  migrate explore:projects:* to static bundle
  migrate dashboard:projects:* to static bundle
  migrate admin:jobs:index to static bundle
  migrate dashboard:todos:index to static bundle
  migrate groups:merge_requests to static bundle
  migrate groups:issues to static bundle
  migrate dashboard:merge_requests to static bundle
  ...

1 files changed, 9 insertions, 35 deletions

diff --git a/app/assets/javascripts/render_math.js b/app/assets/javascripts/render_math.js
index 73b6aafdd12..eabdb01b2a9 100644
--- a/app/assets/javascripts/render_math.js
+++ b/app/assets/javascripts/render_math.js
@@ -1,4 +1,5 @@
-/* global katex */
+import { __ } from './locale';
+import flash from './flash';
 
 // Renders math using KaTeX in any element with the
 // `js-render-math` class
@@ -8,15 +9,8 @@
 //   <code class="js-render-math"></div>
 //
 
-import { __ } from './locale';
-import axios from './lib/utils/axios_utils';
-import flash from './flash';
-
-// Only load once
-let katexLoaded = false;
-
 // Loop over all math elements and render math
-function renderWithKaTeX(elements) {
+function renderWithKaTeX(elements, katex) {
   elements.each(function katexElementsLoop() {
     const mathNode = $('<span></span>');
     const $this = $(this);
@@ -34,30 +28,10 @@ function renderWithKaTeX(elements) {
 
 export default function renderMath($els) {
   if (!$els.length) return;
-
-  if (katexLoaded) {
-    renderWithKaTeX($els);
-  } else {
-    axios.get(gon.katex_css_url)
-      .then(() => {
-        const css = $('<link>', {
-          rel: 'stylesheet',
-          type: 'text/css',
-          href: gon.katex_css_url,
-        });
-        css.appendTo('head');
-      })
-      .then(() => axios.get(gon.katex_js_url, {
-        responseType: 'text',
-      }))
-      .then(({ data }) => {
-        // Add katex js to our document
-        $.globalEval(data);
-      })
-      .then(() => {
-        katexLoaded = true;
-        renderWithKaTeX($els); // Run KaTeX
-      })
-      .catch(() => flash(__('An error occurred while rendering KaTeX')));
-  }
+  Promise.all([
+    import(/* webpackChunkName: 'katex' */ 'katex'),
+    import(/* webpackChunkName: 'katex' */ 'katex/dist/katex.css'),
+  ]).then(([katex]) => {
+    renderWithKaTeX($els, katex);
+  }).catch(() => flash(__('An error occurred while rendering KaTeX')));
 }