fix(preview-server): support for the latest Next.js version (#2938)

Author: gabrielmfern

.changeset/tidy-knives-sniff.md

@@ -0,0 +1,5 @@
+---
+"@react-email/preview-server": patch
+---
+
+update to latest Next.js

packages/preview-server/.npmignore

@@ -1,5 +1,6 @@
 .react-email
-./emails
-./emails/static
-node_modules
+/emails
+/emails/static
+# It's important that only the root node_modules is ignored, since we're also publishing the node_modules that's "bundled" in with the built preview server
+/node_modules
 .turbo

packages/preview-server/package.json

@@ -12,8 +12,22 @@
     "test:watch": "cross-env NODE_OPTIONS=\"--experimental-vm-modules --disable-warning=ExperimentalWarning\" vitest"
   },
   "main": "./index.mjs",
+  "files": [
+    "jsx-runtime",
+    "scripts",
+    "src",
+    "index.mjs",
+    "license.md",
+    "next.config.mjs",
+    "package.json",
+    "postcss.config.js",
+    "readme.md",
+    "tsconfig.json",
+    ".next/**/*"
+  ],
   "dependencies": {
-    "next": "16.0.11"
+    "esbuild": "0.25.10",
+    "next": "16.1.6"
   },
   "devDependencies": {
     "@babel/core": "7.26.10",
@@ -56,7 +70,6 @@
     "clsx": "2.1.1",
     "colorjs.io": "0.5.2",
     "cross-env": "^10.1.0",
-    "esbuild": "0.25.10",
     "framer-motion": "12.23.22",
     "log-symbols": "4.1.0",
     "module-punycode": "npm:punycode@2.3.1",