Next.js: Adding Features Specifically for Development Mode

In some cases, it may be necessary to have different behavior for a website or app during development compared to its production/live version. Next.js provides an easy way to achieve this by leveraging the value of process.env.NODE_ENV, which is automatically set to 'development' when running the application with npm run dev. For instance, let’s say we have an API route that should not be publicly accessible. To address this, we can include the following code at the top of the route:...