feat: mathjax latex rendering

2 files changed, 19 insertions, 4 deletions

diff --git a/src/gemini_to_html.rs b/src/gemini_to_html.rs
index ec19cec..ee723b7 100644
--- a/src/gemini_to_html.rs
+++ b/src/gemini_to_html.rs
@@ -20,7 +20,14 @@ use std::env::var;
 
 use germ::ast::Node;
 use gmi::url::Url;
-use markly::to_html;
+
+fn to_html(text: &str) -> String {
+  if text.contains('$') {
+    text.to_string()
+  } else {
+    markly::to_html(text)
+  }
+}
 
 fn link_from_host_href(url: &Url, href: &str) -> String {
   format!(
@@ -64,7 +71,9 @@ pub fn gemini_to_html(
           href = link_from_host_href(url, &href);
         }
 
-        if var("PROXY_BY_DEFAULT").unwrap_or_else(|_| "true".to_string()).to_lowercase()
+        if var("PROXY_BY_DEFAULT")
+          .unwrap_or_else(|_| "true".to_string())
+          .to_lowercase()
           == "true"
           && href.contains("gemini://")
           && !surface
diff --git a/src/response.rs b/src/response.rs
index ce1ad4c..547cf12 100644
--- a/src/response.rs
+++ b/src/response.rs
@@ -156,9 +156,15 @@ pub async fn default(
     ));
   }
 
-  if var("MATHJAX").unwrap_or_else(|_| "true".to_string()).to_lowercase() == "true" {
+  if var("MATHJAX")
+    .unwrap_or_else(|_| "true".to_string())
+    .to_lowercase()
+    == "true"
+  {
     html_context.push_str(
-      "<script type=\"#text/javascript\" id=\"MathJax-script\" async src=\"https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js\"></script>",
+      r#"<script type="text/javascript" id="MathJax-script" async
+        src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js">
+    </script>"#,
     );
   }