Add pretty print code selectors on load

web/index.js

@@ -1,8 +1,34 @@
-import "code-prettify/styles/desert.css" 
-import "bootstrap-icons/font/bootstrap-icons.css"
+import "code-prettify/styles/desert.css";
+import "bootstrap-icons/font/bootstrap-icons.css";
+
+import "code-prettify";
+
+import "./style/index.scss";
+
+const applyPrettyPrint = () => {
+
+    const blogPosts = document.getElementsByClassName("blog-post-content");
+    for (const blogPost of blogPosts) {
+
+        const codeBlocks = blogPost.getElementsByTagName("code");
+        for (const codeBlock of codeBlocks) {
+            codeBlock.parentElement.classList.add("prettyprint", "linenums", "kg-card", "kg-code-card");
+        }
+    }
+
+    PR.prettyPrint();
+}
+
+const init = () => {
+    applyPrettyPrint();    
+}
+
+if (document.readyState === "complete" || document.readyState === "interactive") {
+    requestAnimationFrame(init);
+} else {
+    document.addEventListener("DOMContentLoaded", init);
+}
+
 
-import "code-prettify"
 
-import "./style/index.scss"
 
-PR.prettyPrint();