Initial commit: NetMesh smart ops platform with 3D topology, inspection reports, RCA and AI ops assistant

components/ai-elements/streamdownCodeWarmup.ts

@@ -0,0 +1,24 @@
+import type { CodeHighlighterPlugin } from 'streamdown';
+
+let cachedCodePlugin: CodeHighlighterPlugin | null = null;
+let codePluginPromise: Promise<CodeHighlighterPlugin> | null = null;
+
+export function getCachedStreamdownCodePlugin(): CodeHighlighterPlugin | null {
+  return cachedCodePlugin;
+}
+
+export function isAiCodeHighlighterReady(): boolean {
+  return cachedCodePlugin != null;
+}
+
+/** Prefetch Shiki only when a message actually contains a code fence. */
+export function warmAiCodeHighlighter(): Promise<CodeHighlighterPlugin> {
+  codePluginPromise ??= import('./streamdownCodePlugin').then((module) => {
+    cachedCodePlugin = module.streamdownCodePlugin;
+    return module.streamdownCodePlugin;
+  }, (error) => {
+    codePluginPromise = null;
+    throw error;
+  });
+  return codePluginPromise;
+}