Upgrade MathJax

cmbuckley · cmbuckley · commit 8d9cecd55180 · 2025-08-15T21:48:54.000Z
diff --git a/_cf/security-headers/index.js b/_cf/security-headers/index.js
@@ -28,8 +28,7 @@ const csp = {
     ],
     'font-src': [
         'https://fonts.gstatic.com',
-        `https://cdnjs.cloudflare.com/ajax/libs/mathjax/${dependencies.mathjax}/`,
-        'about:', // https://github.com/mathjax/MathJax/issues/256#issuecomment-37990603
+        'https://cdn.jsdelivr.net/npm/mathjax@4/',
     ],
     'object-src': [
         "'self'",
diff --git a/_cf/security-headers/package.json b/_cf/security-headers/package.json
@@ -1,6 +1,5 @@
 {
     "main": "index.js",
     "dependencies": {
-      "mathjax": "3.2.2"
     }
 }
diff --git a/_data/package.json b/_data/package.json
diff --git a/_includes/scripts.html b/_includes/scripts.html
@@ -10,7 +10,7 @@
 
 <script defer="defer" nonce="" src="{% include mainurl.html %}/assets/js/scripts.js{% include v.html id='scripts' %}"></script>
 {%- if page.maths -%}
-<script defer="defer" nonce="" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/{{ site.data.package.dependencies.mathjax }}/es5/tex-chtml.js"></script>
+<script defer="defer" nonce="" src="https://cdn.jsdelivr.net/npm/mathjax@4/tex-mml-chtml.js"></script>
 {%- endif -%}
 {%- if page.search -%}
 <script defer="defer" nonce="" src="{% include mainurl.html %}/assets/js/lunr.js{% include v.html id='lunr' %}"></script>
diff --git a/package.json b/package.json
@@ -1,7 +1,4 @@
 {
-  "dependencies": {
-    "mathjax": "3.2.2"
-  },
   "devDependencies": {
     "netlify-plugin-html-validate": "^1.1.1",
     "netlify-plugin-seo-lint": "cmbuckley/netlify-plugin-seo-lint#fork"

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,5 @@`
`1`	`1`	`{`
`2`	`2`	`"main": "index.js",`
`3`	`3`	`"dependencies": {`
`4`		`- "mathjax": "3.2.2"`
`5`	`4`	`}`
`6`	`5`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,4 @@`
`1`	`1`	`{`
`2`		`- "dependencies": {`
`3`		`- "mathjax": "3.2.2"`
`4`		`- },`
`5`	`2`	`"devDependencies": {`
`6`	`3`	`"netlify-plugin-html-validate": "^1.1.1",`
`7`	`4`	`"netlify-plugin-seo-lint": "cmbuckley/netlify-plugin-seo-lint#fork"`