From 2edfde1990de7fd6bf5b5c5c56342f247b92c289 Mon Sep 17 00:00:00 2001
From: Shirasawa <764798966@qq.com>
Date: Mon, 22 Sep 2025 16:00:46 +0800
Subject: [PATCH] feat: only retain one language supports for highlight.js to
 reduce bundle size

---
 src/lib/components/common/RichTextInput.svelte | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/lib/components/common/RichTextInput.svelte b/src/lib/components/common/RichTextInput.svelte
index 468813aeaf..83f2c55133 100644
--- a/src/lib/components/common/RichTextInput.svelte
+++ b/src/lib/components/common/RichTextInput.svelte
@@ -139,7 +139,9 @@
 	import FormattingButtons from './RichTextInput/FormattingButtons.svelte';
 
 	import { PASTED_TEXT_CHARACTER_LIMIT } from '$lib/constants';
-	import { all, createLowlight } from 'lowlight';
+	import { createLowlight } from 'lowlight';
+	import hljs from 'highlight.js';
+
 	import type { SocketIOCollaborationProvider } from './RichTextInput/Collaboration';
 
 	export let oncompositionstart = (e) => {};
@@ -147,7 +149,10 @@
 	export let onChange = (e) => {};
 
 	// create a lowlight instance with all languages loaded
-	const lowlight = createLowlight(all);
+	const lowlight = createLowlight(hljs.listLanguages().reduce((obj, lang) => {
+		obj[lang] = () => hljs.getLanguage(lang);
+		return obj;
+	}, {} as Record<string, any>));
 
 	export let editor: Editor | null = null;