cleanup

package-lock.json

@@ -686,6 +686,44 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@vercel/analytics": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/@vercel/analytics/-/analytics-1.6.1.tgz",
+      "integrity": "sha512-oH9He/bEM+6oKlv3chWuOOcp8Y6fo6/PSro8hEkgCW3pu9/OiCXiUpRUogDh3Fs3LH2sosDrx8CxeOLBEE+afg==",
+      "license": "MPL-2.0",
+      "peerDependencies": {
+        "@remix-run/react": "^2",
+        "@sveltejs/kit": "^1 || ^2",
+        "next": ">= 13",
+        "react": "^18 || ^19 || ^19.0.0-rc",
+        "svelte": ">= 4",
+        "vue": "^3",
+        "vue-router": "^4"
+      },
+      "peerDependenciesMeta": {
+        "@remix-run/react": {
+          "optional": true
+        },
+        "@sveltejs/kit": {
+          "optional": true
+        },
+        "next": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "svelte": {
+          "optional": true
+        },
+        "vue": {
+          "optional": true
+        },
+        "vue-router": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@vitejs/plugin-react": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-react/-/plugin-react-4.7.0.tgz",
@@ -2845,6 +2883,7 @@
       "name": "@mcp-ui-kit/inspector",
       "version": "1.0.0",
       "dependencies": {
+        "@vercel/analytics": "^1.6.1",
         "lucide-react": "^0.460.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0"

packages/library/package.json

@@ -47,8 +47,7 @@
   "license": "MIT",
   "dependencies": {
     "@mcp-ui/server": "^5.15.0",
-    "esbuild": "^0.25.0",
+    "esbuild": "^0.25.0"
-    "esbuild-wasm": "^0.25.0"
   },
   "peerDependencies": {
     "react": ">=18.0.0",

packages/library/server/bundle.ts

@@ -1,4 +1,4 @@
-import type * as EsbuildType from 'esbuild';
+import * as esbuild from 'esbuild';
 
 // Cache bundled JS per entry path (only used in production)
 const bundleCache = new Map<string, string>();
@@ -6,47 +6,7 @@ const bundleCache = new Map<string, string>();
 // In development mode, skip cache to allow hot-reloading of component changes
 const isDev = process.env.NODE_ENV !== 'production';
 
-// Esbuild instance - lazily loaded
+async function runBuild(entryPath: string): Promise<esbuild.BuildResult<{ write: false }>> {
-let esbuild: typeof EsbuildType | null = null;
-let usingWasm = false;
-
-async function getEsbuild(): Promise<typeof EsbuildType> {
-    if (esbuild) return esbuild;
-
-    // Try native esbuild first
-    try {
-        console.log('[mcp-ui-kit] Trying native esbuild...');
-        const native = await import('esbuild');
-        // Test if native works by running a simple transform
-        await native.transform('const x = 1', { loader: 'js' });
-        console.log('[mcp-ui-kit] Native esbuild works!');
-        esbuild = native;
-        return esbuild;
-    } catch (nativeError) {
-        console.log('[mcp-ui-kit] Native esbuild failed:', nativeError instanceof Error ? nativeError.message : String(nativeError));
-        
-        // Fall back to wasm
-        try {
-            console.log('[mcp-ui-kit] Falling back to esbuild-wasm...');
-            const wasm = await import('esbuild-wasm');
-            await wasm.initialize({
-                wasmURL: `https://unpkg.com/esbuild-wasm@${wasm.version}/esbuild.wasm`,
-            });
-            console.log('[mcp-ui-kit] esbuild-wasm initialized!');
-            esbuild = wasm as typeof EsbuildType;
-            usingWasm = true;
-            return esbuild;
-        } catch (wasmError) {
-            console.log('[mcp-ui-kit] esbuild-wasm also failed:', wasmError instanceof Error ? wasmError.message : String(wasmError));
-            throw wasmError;
-        }
-    }
-}
-
-async function runBuild(entryPath: string): Promise<EsbuildType.BuildResult<{ write: false }>> {
-    const esbuild = await getEsbuild();
-    console.log('[mcp-ui-kit] runBuild using', usingWasm ? 'wasm' : 'native', 'for:', entryPath);
-    
     return esbuild.build({
         entryPoints: [entryPath],
         bundle: true,
@@ -63,32 +23,25 @@ async function runBuild(entryPath: string): Promise<EsbuildType.BuildResult<{ wr
 }
 
 export async function bundleComponent(entryPath: string): Promise<string> {
-    console.log('[mcp-ui-kit] bundleComponent called for:', entryPath);
-    
     if (!isDev && bundleCache.has(entryPath)) {
-        console.log('[mcp-ui-kit] Returning cached bundle');
         return bundleCache.get(entryPath)!;
     }
 
-    let result: EsbuildType.BuildResult<{ write: false }>;
+    let result: esbuild.BuildResult<{ write: false }>;
 
     try {
         result = await runBuild(entryPath);
-        console.log('[mcp-ui-kit] Build succeeded');
     } catch (error) {
         const errorMessage = error instanceof Error ? error.message : String(error);
-        console.log('[mcp-ui-kit] Build failed:', errorMessage);
 
-        // Handle service errors for native esbuild in serverless
+        // Handle service errors in serverless environments (Vercel, Lambda, etc.)
-        const isServiceError = !usingWasm && error instanceof Error && (
+        const isServiceError = error instanceof Error && (
             errorMessage.includes('service was stopped') ||
             errorMessage.includes('service is no longer running') ||
             errorMessage.includes('The service')
         );
 
         if (isServiceError) {
-            console.log('[mcp-ui-kit] Service error, stopping and retrying...');
-            const esbuild = await getEsbuild();
             await esbuild.stop();
             result = await runBuild(entryPath);
         } else {
@@ -97,7 +50,6 @@ export async function bundleComponent(entryPath: string): Promise<string> {
     }
 
     const bundledJS = result.outputFiles[0].text;
-    console.log('[mcp-ui-kit] Bundle size:', bundledJS.length, 'bytes');
 
     if (!isDev) {
         bundleCache.set(entryPath, bundledJS);

yarn.lock

@@ -218,6 +218,7 @@
   version "1.0.0"
   resolved "file:packages/inspector"
   dependencies:
+    "@vercel/analytics" "^1.6.1"
     lucide-react "^0.460.0"
     react "^19.0.0"
     react-dom "^19.0.0"
@@ -427,6 +428,11 @@
     "@types/node" "*"
     "@types/send" "<1"
 
+"@vercel/analytics@^1.6.1":
+  version "1.6.1"
+  resolved "https://registry.npmjs.org/@vercel/analytics/-/analytics-1.6.1.tgz"
+  integrity sha512-oH9He/bEM+6oKlv3chWuOOcp8Y6fo6/PSro8hEkgCW3pu9/OiCXiUpRUogDh3Fs3LH2sosDrx8CxeOLBEE+afg==
+
 "@vitejs/plugin-react@^4.3.4":
   version "4.7.0"
   resolved "https://registry.npmjs.org/@vitejs/plugin-react/-/plugin-react-4.7.0.tgz"
@@ -1234,7 +1240,7 @@ react-refresh@^0.17.0:
   resolved "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz"
   integrity sha512-z6F7K9bV85EfseRCp2bzrpyQ0Gkw1uLoCel9XBVWPg/TjRj94SkJzUTGfOa4bs7iJvBWtQG0Wq7wnI0syw3EBQ==
 
-"react@^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0-rc", react@^19.0.0, react@^19.2.0:
+"react@^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0-rc", "react@^18 || ^19 || ^19.0.0-rc", react@^19.0.0, react@^19.2.0:
   version "19.2.0"
   resolved "https://registry.npmjs.org/react/-/react-19.2.0.tgz"
   integrity sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ==