feat: add contentful sdk

Author: malewis5

examples/cms-contentful/app/api/draft/route.ts

@@ -1,22 +1 @@
-import { draftMode } from "next/headers";
-import { redirect } from "next/navigation";
-import { getPreviewPostBySlug } from "../../../lib/api";
-
-export async function GET(request: Request) {
-  const { searchParams } = new URL(request.url);
-  const secret = searchParams.get("secret");
-  const slug = searchParams.get("slug");
-
-  if (secret !== process.env.CONTENTFUL_PREVIEW_SECRET) {
-    return new Response("Invalid token", { status: 401 });
-  }
-
-  const post = await getPreviewPostBySlug(slug);
-
-  if (!post) {
-    return new Response("Invalid slug", { status: 401 });
-  }
-
-  draftMode().enable();
-  redirect(`/posts/${post.slug}`);
-}
+export { enableDraftHandler as GET } from "@contentful/vercel-nextjs-toolkit/app-router";

examples/cms-contentful/package.json

@@ -9,6 +9,7 @@
   "dependencies": {
     "@contentful/rich-text-react-renderer": "^15.17.1",
     "@contentful/rich-text-types": "^16.2.1",
+    "@contentful/vercel-nextjs-toolkit": "latest",
     "@tailwindcss/typography": "0.5.9",
     "@types/node": "^20.5.0",
     "@types/react": "^18.2.20",