Revert some changes to fix math in articles

r-lib · Jan 3, 2025 · 7da6b33 · 7da6b33
1 parent 8854300
commit 7da6b33
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Showing 3 changed files with 16 additions and 6 deletions.
diff --git a/R/markdown.R b/R/markdown.R
@@ -121,12 +121,7 @@ convert_markdown_to_html <- function(pkg, in_path, out_path, ...) {
       "--indented-code-classes=R",
       "--section-divs",
       "--wrap=none",
-      ifelse(
-        # katex is handled separately
-        config_math_rendering(pkg) == "katex",
-        "",
-        paste0("--", config_math_rendering(pkg))
-      ),
+      paste0("--", config_math_rendering(pkg)),
       ...
     ))
   )

diff --git a/inst/BS5/assets/katex-auto.js b/inst/BS5/assets/katex-auto.js
@@ -0,0 +1,14 @@
+// https://github.com/jgm/pandoc/blob/29fa97ab96b8e2d62d48326e1b949a71dc41f47a/src/Text/Pandoc/Writers/HTML.hs#L332-L345
+document.addEventListener("DOMContentLoaded", function () {
+  var mathElements = document.getElementsByClassName("math");
+  var macros = [];
+  for (var i = 0; i < mathElements.length; i++) {
+    var texText = mathElements[i].firstChild;
+    if (mathElements[i].tagName == "SPAN") {
+      katex.render(texText.data, mathElements[i], {
+        displayMode: mathElements[i].classList.contains("display"),
+        throwOnError: false,
+        macros: macros,
+        fleqn: false
+      });
+    }}});
diff --git a/inst/BS5/templates/head.html b/inst/BS5/templates/head.html
@@ -17,6 +17,7 @@
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.css" integrity="sha384-nB0miv6/jRmo5UMMR1wu3Gz6NLsoTkbqJghGIsx//Rlm+ZU03BU6SQNC66uf4l5+" crossorigin="anonymous">
 <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js" integrity="sha384-7zkQWkzuo3B5mTepMUcHkMB5jZaolc2xDwL6VFqjFALcbeS9Ggm/Yr2r3Dy4lfFg" crossorigin="anonymous"></script>
 <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" integrity="sha384-43gviWU0YVjaDtb/GhzOouOXtZMP/7XUzwPTstBeZFe/+rCMvRwr4yROQP43s0Xk" crossorigin="anonymous" onload="renderMathInElement(document.body);"></script>
+<script src="{{#site}}{{root}}{{/site}}katex-auto.js"></script>
 {{/uses_katex}}
 
 {{#lightswitch}}<script src="{{#site}}{{root}}{{/site}}lightswitch.js"></script>{{/lightswitch}}