some change for db file #87707
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some change for db file #87707
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Summary
This PR adds an optional MongoDB connection utility to create-next-app. Users can now initialize their Next.js projects with a pre-configured MongoDB client connection and environment variable placeholder.
Changes
index.ts:
Added --mongodb flag to CLI options.
Added a toggle prompt for MongoDB connection preference.
Updated displayConfig to show MongoDB status in the final summary.
create-app.ts:
Implemented logic to create lib/db.ts (or db.js) with a singleton pattern for the MongoClient.
Added automatic injection of MONGODB_URI into .env.local.
Ensured the logic works for both default templates and examples.
How to Test
Run npx create-next-app@canary --mongodb
Select "Yes" for the MongoDB connection prompt.
Verify that lib/db.ts exists and .env.local contains the MONGODB_URI placeholder.