Install Katex

editor/package-lock.json

@@ -4602,6 +4602,14 @@
         "verror": "1.10.0"
       }
     },
+    "katex": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.6.0.tgz",
+      "integrity": "sha1-EkGOCRIcBckgQbazuftrqyE8tvM=",
+      "requires": {
+        "match-at": "^0.1.0"
+      }
+    },
     "keycharm": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/keycharm/-/keycharm-0.3.1.tgz",
@@ -4784,6 +4792,14 @@
         "uc.micro": "^1.0.5"
       }
     },
+    "markdown-it-katex": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/markdown-it-katex/-/markdown-it-katex-2.0.3.tgz",
+      "integrity": "sha1-17hqGuoLnWSW+rTnkZoY/e9YnDk=",
+      "requires": {
+        "katex": "^0.6.0"
+      }
+    },
     "markdown-it-mark": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/markdown-it-mark/-/markdown-it-mark-3.0.0.tgz",
@@ -4804,6 +4820,11 @@
         "sanitize-filename": "^1.6.1"
       }
     },
+    "match-at": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/match-at/-/match-at-0.1.1.tgz",
+      "integrity": "sha512-h4Yd392z9mST+dzc+yjuybOGFNOZjmXIPKWjxBd1Bb23r4SmDOsk2NYCU2BMUBGbSpZqwVsZYNq26QS3xfaT3Q=="
+    },
     "math-random": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/math-random/-/math-random-1.0.4.tgz",

editor/package.json

@@ -25,6 +25,7 @@
     "keycharm": "^0.3.1",
     "lunr": "^2.3.8",
     "markdown-it": "^11.0.0",
+    "markdown-it-katex": "^2.0.3",
     "markdown-it-mark": "^3.0.0",
     "markdown-it-wikilinks": "^1.0.1",
     "mermaid": "^8.5.2",

editor/src/index.js

@@ -2,6 +2,7 @@ import listEditor from 'wiki-list-editor';
 import MarkdownIt from 'markdown-it';
 import MarkdownItWikilinks from './wikilinks';
 import MarkdownItMark from 'markdown-it-mark';
+import MarkdownItKatex from 'markdown-it-katex';
 import axios from 'axios';
 import qs from 'querystring'
 import $ from 'jquery';
@@ -207,12 +208,12 @@ if (holder) {
         htmlAttributes: {
             class: 'wiki-link'
         },
-    })).use(MarkdownItMark)
+    })).use(MarkdownItMark).use(MarkdownItKatex)
 
     const options = {
         transform(text, element) {
             let converted = text
-            if (converted.startsWith("```", 0)) {
+            if (converted.startsWith("```", 0) || converted.startsWith("$$", 0)) {
                 converted = MD.render(converted)
             } else {
                 if (text.match(/^(\w+):: (.+)$/)) {