diff --git a/packages/codemirror/package.json b/packages/codemirror/package.json
index 2f2207517..f932cafe2 100644
--- a/packages/codemirror/package.json
+++ b/packages/codemirror/package.json
@@ -22,6 +22,7 @@
     "@codemirror/commands": "6.8.1",
     "@codemirror/lang-css": "6.3.1",
     "@codemirror/lang-html": "6.4.9",
+    "@codemirror/lang-javascript": "6.2.3",
     "@codemirror/lang-markdown": "6.3.2",
     "@codemirror/lang-php": "6.0.1",
     "@codemirror/lang-vue": "0.1.3",
diff --git a/packages/codemirror/src/syntax_highlighting.ts b/packages/codemirror/src/syntax_highlighting.ts
index 395e07dbd..4637872ce 100644
--- a/packages/codemirror/src/syntax_highlighting.ts
+++ b/packages/codemirror/src/syntax_highlighting.ts
@@ -1,12 +1,17 @@
 import { LanguageSupport, type StreamParser } from "@codemirror/language"
 
+async function buildJavaScript() {
+    const { javascript } = await import('@codemirror/lang-javascript');
+    return javascript();
+}
+
 const byMimeType: Record<string, (() => Promise<StreamParser<unknown> | LanguageSupport>) | null> = {
     "text/plain": null,
 
     "application/dart": async () => (await import('@codemirror/legacy-modes/mode/clike')).dart,
     "application/edn": async () => (await import('@codemirror/legacy-modes/mode/clojure')).clojure,
-    "application/javascript;env=backend": async () => (await import('@codemirror/legacy-modes/mode/javascript')).javascript,
-    "application/javascript;env=frontend": async () => (await import('@codemirror/legacy-modes/mode/javascript')).javascript,
+    "application/javascript;env=backend": buildJavaScript,
+    "application/javascript;env=frontend": buildJavaScript,
     "application/json": async () => (await import('@codemirror/legacy-modes/mode/javascript')).json,
     "application/ld+json": async () => (await import('@codemirror/legacy-modes/mode/javascript')).jsonld,
     "application/mbox": async () => (await import('@codemirror/legacy-modes/mode/mbox')).mbox,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f412f6e9f..0af6a1d0d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1163,6 +1163,9 @@ importers:
       '@codemirror/lang-html':
         specifier: 6.4.9
         version: 6.4.9
+      '@codemirror/lang-javascript':
+        specifier: 6.2.3
+        version: 6.2.3
       '@codemirror/lang-markdown':
         specifier: 6.3.2
         version: 6.3.2
@@ -15104,6 +15107,15 @@ snapshots:
       - supports-color
       - utf-8-validate
 
+  '@ckeditor/ckeditor5-autoformat@45.0.0':
+    dependencies:
+      '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-engine': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-heading': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-typing': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-utils': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
+
   '@ckeditor/ckeditor5-autoformat@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -15248,6 +15260,17 @@ snapshots:
       - supports-color
       - utf-8-validate
 
+  '@ckeditor/ckeditor5-code-block@45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)':
+    dependencies:
+      '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-engine': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-enter': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-icons': 45.0.0
+      '@ckeditor/ckeditor5-ui': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-utils': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
+
   '@ckeditor/ckeditor5-code-block@45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -15263,23 +15286,27 @@ snapshots:
       - supports-color
       - utf-8-validate
 
-  '@ckeditor/ckeditor5-collaboration-core@45.0.0':
+  '@ckeditor/ckeditor5-collaboration-core@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-comments': 45.0.0
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-icons': 45.0.0
       '@ckeditor/ckeditor5-theme-lark': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-track-changes': 45.0.0
+      '@ckeditor/ckeditor5-track-changes': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-ui': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-utils': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@types/luxon': 3.4.2
       ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
       luxon: 3.5.0
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
 
   '@ckeditor/ckeditor5-comments@45.0.0':
     dependencies:
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-collaboration-core': 45.0.0
+      '@ckeditor/ckeditor5-collaboration-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-engine': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-enter': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -15300,7 +15327,7 @@ snapshots:
   '@ckeditor/ckeditor5-comments@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-collaboration-core': 45.0.0
+      '@ckeditor/ckeditor5-collaboration-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-engine': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-enter': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -15489,6 +15516,14 @@ snapshots:
       - supports-color
       - utf-8-validate
 
+  '@ckeditor/ckeditor5-easy-image@45.0.0':
+    dependencies:
+      '@ckeditor/ckeditor5-cloud-services': 45.0.0
+      '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-upload': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-utils': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
+
   '@ckeditor/ckeditor5-easy-image@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-cloud-services': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -15637,6 +15672,17 @@ snapshots:
       - supports-color
       - utf-8-validate
 
+  '@ckeditor/ckeditor5-essentials@45.0.0':
+    dependencies:
+      '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-enter': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-select-all': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-typing': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-ui': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-undo': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
+
   '@ckeditor/ckeditor5-essentials@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -16102,7 +16148,7 @@ snapshots:
       '@ckeditor/ckeditor5-operations-compressor': 45.0.0
       '@ckeditor/ckeditor5-revision-history': 45.0.0
       '@ckeditor/ckeditor5-theme-lark': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-track-changes': 45.0.0
+      '@ckeditor/ckeditor5-track-changes': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-ui': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-utils': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
@@ -16303,10 +16349,10 @@ snapshots:
       - supports-color
       - utf-8-validate
 
-  '@ckeditor/ckeditor5-track-changes@45.0.0':
+  '@ckeditor/ckeditor5-track-changes@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-code-block': 45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-code-block': 45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)
       '@ckeditor/ckeditor5-comments': 45.0.0
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-editor-multi-root': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
@@ -16332,6 +16378,10 @@ snapshots:
       ckeditor5: 45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41)
       ckeditor5-collaboration: 45.0.0
       es-toolkit: 1.32.0
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
 
   '@ckeditor/ckeditor5-typing@45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)':
     dependencies:
@@ -21753,13 +21803,13 @@ snapshots:
 
   ckeditor5-collaboration@45.0.0:
     dependencies:
-      '@ckeditor/ckeditor5-collaboration-core': 45.0.0
+      '@ckeditor/ckeditor5-collaboration-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
 
   ckeditor5@45.0.0(patch_hash=8331a09d41443b39ea1c784daaccfeb0da4f9065ed556e7de92e9c77edd9eb41):
     dependencies:
       '@ckeditor/ckeditor5-adapter-ckfinder': 45.0.0
       '@ckeditor/ckeditor5-alignment': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-autoformat': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-autoformat': 45.0.0
       '@ckeditor/ckeditor5-autosave': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-basic-styles': 45.0.0
       '@ckeditor/ckeditor5-block-quote': 45.0.0
@@ -21768,9 +21818,9 @@ snapshots:
       '@ckeditor/ckeditor5-ckfinder': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-clipboard': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-cloud-services': 45.0.0
-      '@ckeditor/ckeditor5-code-block': 45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-code-block': 45.0.0(patch_hash=2361d8caad7d6b5bddacc3a3b4aa37dbfba260b1c1b22a450413a79c1bb1ce95)
       '@ckeditor/ckeditor5-core': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-easy-image': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-easy-image': 45.0.0
       '@ckeditor/ckeditor5-editor-balloon': 45.0.0
       '@ckeditor/ckeditor5-editor-classic': 45.0.0
       '@ckeditor/ckeditor5-editor-decoupled': 45.0.0
@@ -21779,7 +21829,7 @@ snapshots:
       '@ckeditor/ckeditor5-emoji': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-engine': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-enter': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
-      '@ckeditor/ckeditor5-essentials': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
+      '@ckeditor/ckeditor5-essentials': 45.0.0
       '@ckeditor/ckeditor5-find-and-replace': 45.0.0
       '@ckeditor/ckeditor5-font': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)
       '@ckeditor/ckeditor5-fullscreen': 45.0.0(bufferutil@4.0.9)(utf-8-validate@6.0.5)