2024년. NextJS 14를 배워야하는 이유.

Summary

In this video, the speaker enthusiastically shares their experience upgrading to Next.js version 14, highlighting two groundbreaking features: server components and server actions. The speaker explains how these features enhance the development experience by significantly reducing the amount of code needed, improving app performance, and streamlining data handling without the need for an API. By leveraging server components and server actions, developers can now directly interact with databases and perform secure data mutations, respectively. The speaker also introduces a free 4-hour Next.js course and an updated comprehensive course on building a full-fledged Next.js application, emphasizing the practical benefits and efficiency gains from the latest Next.js features.

Takeaways

• 😃 Next.js is a popular React framework for building fullstack web apps used by major companies like TikTok and Twitch
• 🤓 Next.js 14 introduced server components and server actions which improve performance and developer experience
• 👍 Server components let you render components only on the server which improves performance and security
• 🔒 Server components allow connecting directly to databases without exposing secrets to client
• ⚡️ Use 'useClient' to opt-in to browser rendering when you need interactivity or browser APIs
• 🎉 Server actions let you handle data mutations directly without needing an API endpoint
• 🧙‍♂️ Server actions automatically pass data between frontend and backend securely behind the scenes
• 🛠 UseFormStatus and useFormAction hooks allow displaying status to user during mutations
• 📈 Next.js 14 upgrades like server components can delete large amounts of code
• 🎓 Free 4-hour course and paid Fullstack app course can teach you more about Next.js 14 features

Q & A

What is the main topic of the video script?

The video script is about the latest features of Next.js version 14, specifically server components and server actions.

What are the benefits of using server components in Next.js 14?

Server components allow developers to choose if a component should be rendered only on the server or not. This means the user doesn't have to download and render all the components of the application in the browser, reducing the amount of JavaScript code and allowing developers to delete a lot of code.

What is the significance of server actions in Next.js 14?

Server actions make the developer experience of data mutations, such as creating a user account, incredible. They allow developers to eliminate the need for an API endpoint and fetch code, and instead write the logic directly in the component. Next.js handles passing data between the component and action securely.

What are the hooks available for server actions in Next.js 14?

There are two hooks available for server actions: useFormStatus and useFormState. useFormStatus allows developers to know the state of the mutation and show the user a loading message or errors, while useFormState allows for more structured responses in case of errors.

What additional features of server actions are mentioned in the script?

Server actions have cool functions to revalidate data, check cookies, or even redirect the user when the mutation is finished.

What free resources are mentioned for learning Next.js?

The script mentions a free 4-Hour course with 32 videos that the creator has uploaded, as well as a Carrot Market clone coding course that is being updated to Next.js version 14.

What technologies are used in the Carrot Market clone coding course?

The Carrot Market clone coding course uses technologies like Tailwind, Prisma, PlanetScale, CloudFlare, and more. It also covers user authentication, file uploads, user profiles, reviews, CloudFlare Workers, and durable objects for serverless realtime experiences.

What is the recommended course for learning more about Next.js and taking advantage of its features?

The script recommends the Carrot Market clone coding course for learning more about Next.js and squeezing the framework from all its features.

What is the benefit of using the 'useClient' directive in Next.js 14?

The 'useClient' directive allows developers to specify components that need to use APIs of the user's browser, such as local storage or geolocation, or components that need to use event listeners for interactivity. It tells Next.js that the component should be hydrated in the user's browser.

What is the overall tone of the video script?

The overall tone of the video script is enthusiastic and excited about the new features and developer experience improvements in Next.js version 14.