From fb34dd2864f614fdc12df46a2f0369d569d91bb6 Mon Sep 17 00:00:00 2001
From: Abdullah Atta <abdullahatta@streetwriters.co>
Date: Wed, 9 Aug 2023 15:45:23 +0500
Subject: [PATCH] core: do not throw if language grammar is not found on export

---
 packages/core/utils/templates/html/builder.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/core/utils/templates/html/builder.js b/packages/core/utils/templates/html/builder.js
index 54c289753..b6e160fa7 100644
--- a/packages/core/utils/templates/html/builder.js
+++ b/packages/core/utils/templates/html/builder.js
@@ -69,7 +69,9 @@ async function preprocessHTML(templateData) {
     const { loadLanguage } = hasRequire()
       ? require("../../../../editor/languages/index.js")
       : await import("../../../../editor/languages/index.js");
-    prismjs.register = () => {};
+    prismjs.register = (syntax) => {
+      if (typeof arg === "function") syntax(prismjs);
+    };
     for (const codeblock of codeblocks) {
       const language = LANGUAGE_REGEX.exec(
         codeblock.parentElement.className
@@ -78,6 +80,7 @@ async function preprocessHTML(templateData) {
 
       const { default: grammar } = await loadLanguage(language);
       grammar(prismjs);
+      if (!prismjs.languages[language]) continue;
 
       codeblock.innerHTML = prismjs.highlight(
         codeblock.textContent,