Addressed mr observations

app/assets/javascripts/render_math.js

@@ -28,13 +28,10 @@ function renderWithKaTeX(elements, katex) {
 export default function renderMath($els) {
   if (!$els.length) return;
-  import(/* webpackChunkName: 'katex' */ 'katex').then((katex) => {
-    import(/* webpackChunkName: 'katex' */ 'katex/dist/katex.css')
-    .then(() => {
-      renderWithKaTeX($els, katex);
-    })
-    .catch((err) => {
-      flash(`Can't load katex css ${err}`);
-    });
+  Promise.all([
+    import(/* webpackChunkName: 'katex' */ 'katex'),
+    import(/* webpackChunkName: 'katex' */ 'katex/dist/katex.css'),
+  ]).then(([katex]) => {
+    renderWithKaTeX($els, katex);
   }).catch(() => flash(__('An error occurred while rendering KaTeX')));
 }

config/webpack.config.js

@@ -156,7 +156,6 @@ var config = {
       {
         test: /katex.css$/,
         include: /node_modules\/katex\/dist/,
-        exclude: /(vendor\/assets)/,
         use: [
           { loader: 'style-loader' },
           { 
@@ -170,7 +169,6 @@ var config = {
       {
         test: /\.(eot|ttf|woff|woff2)$/,
         include: /node_modules\/katex\/dist\/fonts/,
-        exclude: /(vendor\/assets)/,
         loader: 'file-loader',
         options: {
           name: '[name].[hash].[ext]',

package.json

@@ -56,7 +56,7 @@
     "js-cookie": "^2.1.3",
     "jszip": "^3.1.3",
     "jszip-utils": "^0.0.2",
-    "katex": "^0.9.0-alpha2",
+    "katex": "^0.8.3",
     "marked": "^0.3.12",
     "monaco-editor": "0.10.0",
     "mousetrap": "^1.4.6",

yarn.lock

@@ -4401,11 +4401,11 @@ karma@^2.0.0:
     tmp "0.0.33"
     useragent "^2.1.12"
-katex@^0.9.0-alpha2:
-  version "0.9.0-alpha2"
-  resolved "https://registry.yarnpkg.com/katex/-/katex-0.9.0-alpha2.tgz#f559e8bb32969082d735d949960b7df133fd5831"
+katex@^0.8.3:
+  version "0.8.3"
+  resolved "https://registry.yarnpkg.com/katex/-/katex-0.8.3.tgz#909d99864baf964c3ccae39c4a99a8e0fb9a1bd0"
   dependencies:
-    match-at "^0.1.1"
+    match-at "^0.1.0"
 kind-of@^3.0.2:
   version "3.1.0"
@@ -4797,7 +4797,7 @@ marked@^0.3.12:
   version "0.3.12"
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.12.tgz#7cf25ff2252632f3fe2406bde258e94eee927519"
-match-at@^0.1.1:
+match-at@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/match-at/-/match-at-0.1.1.tgz#25d040d291777704d5e6556bbb79230ec2de0540"
@@ -7093,20 +7093,18 @@ strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
-<<<<<<< HEAD
 style-loader@^0.19.1:
   version "0.19.1"
   resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.19.1.tgz#591ffc80bcefe268b77c5d9ebc0505d772619f85"
   dependencies:
     loader-utils "^1.0.2"
     schema-utils "^0.3.0"
-=======
+
 subarg@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
   dependencies:
     minimist "^1.1.0"
->>>>>>> master
 supports-color@^2.0.0:
   version "2.0.0"