Learn @ngrx/entity and Feature Modules

TL;DR

Learn how to use Ng Rx and the new Entity package to build a Pizza ordering app with a global data store.

Transcript

the worst thing about ng Rx is the sheer amount of code that it takes to build anything but you're rewarded for that extra effort with a global data store that's easy to test and debug and cool things like the Redux dev tools here on the right to address the amount of boilerplate code in ng rx they recently released a new package called entity it p... Read More

Key Insights

• 👨‍💻 Ng Rx requires more code, but it offers a global data store that is easy to test and debug.
• 💨 The Entity package provides a standardized way to manage collections of objects and perform CRUD operations.
• 🤝 Feature modules help to organize code when dealing with multiple features.
• 🤩 Actions, reducers, and selectors are key components in working with Ng Rx and the Entity package.
• 👻 The Entity state structure allows for efficient data retrieval.
• 😀 Ng Rx and the Entity package bring consistency to dealing with credence in an app.
• 👏 The Pizza ordering app demonstrates the use of Ng Rx and Entity to manage pizza data.

Questions & Answers

Q: What are the advantages of using Ng Rx and the Entity package?

Ng Rx provides a global data store that is easy to test, debug, and comes with cool features like Redux dev tools. The Entity package makes it easier to manage collections of objects and perform CRUD operations.

Q: How is the Pizza ordering app structured with Ng Rx?

The app is created as a feature module, with the store module and reducers imported. Actions, reducers, and selectors are created to handle data updates and retrieval.

Q: How can you create a new pizza in the app?

To create a new pizza, you can generate some dummy data and dispatch the create action, passing the data as the payload.

Q: How can you update or delete a pizza in the app?

To update a pizza, you can dispatch the update action, passing the pizza ID and the updated data as the payload. To delete a pizza, you can dispatch the delete action, passing the pizza ID as the payload.

Summary & Key Takeaways

• Ng Rx requires a lot of code to build, but it offers a global data store that is easy to test, debug, and comes with cool features like Redux dev tools.

• The Entity package provides a standardized way to manage collections of objects and perform CRUD operations.

• To build the Pizza ordering app, create a feature module with Ng Rx, import the store module and reducers, create actions, reducers, and selectors, and use them to update and retrieve data.