Lakshay Manchanda
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Ember.js best practices for building large-scale web applications

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Lakshay Manchanda
·Jan 26, 2023·

5 min read

Ember.js best practices for building large-scale web applications

Ember.js is a powerful and popular JavaScript framework that helps developers build large-scale applications quickly and efficiently. By leveraging its built-in features such as Ember Data and Ember CLI, developers can create complex applications with minimal effort.

This blog post will explore some best practices for building large-scale web applications with Ember.js. We’ll cover project organization and structure, data management, testing, and performance considerations.

Project Organization and Structure

Organizing your project’s structure is essential for ensuring that your web application is extensible and maintainable. Ember offers some great tools to help you do this, such as modules and namespaces.

When organizing your application, it’s important to organize all of your code into separate modules and namespaces. This will help keep your codebase organized and maintainable. Additionally, it’s important to make sure that all of your code is appropriately namespaced and placed in the correct directory within your project.

Data Management

Data management is another important consideration when building large-scale web applications with Ember.js. To properly manage your application’s data, you need to use a data store such as Ember Data. Ember Data provides a number of features such as relationships, transactions, and caching, which are essential for managing large amounts of data.

Additionally, when managing data in a large application, it’s important to keep your code organized and maintainable. To do this, you can use Ember Data’s serializers and adapters to organize your application’s data into different models.

Ember's local storage API allows developers to cache data locally on the user's device. This can help reduce the number of requests to the server, resulting in faster page load times and improved user experience.

Making Use of External Services

Finally, it can be useful to leverage external services and APIs when building a large-scale Ember application. For example, if you're building an e-commerce app, you may want to make use of a payment service such as Stripe or PayPal. This means that the user won't have to provide any sensitive information to the app, as the payment will be handled externally.

Utilizing Services for Reusable Components

Ember.js provides developers with the ability to create services, which are reusable components that can be used throughout the application. By utilizing services, developers can avoid writing repeatable code and reduce the complexity of the application. Additionally, services allow developers to create components that are shareable across the application. This makes the application much more maintainable, as all the components are in the same place.

Writing Tests

Writing tests is a great way to ensure that the application works as expected. Ember.js provides developers with the ability to write unit tests, which will test the individual components of the application. Additionally, Ember.js also provides developers with the ability to write integration tests, which will test the entire application. Writing tests is a great way to make sure that the application is working as expected and will help reduce the number of bugs that arise.

Tools that can help achieve the above topics

  1. Use Ember CLI: Ember CLI is the official command line interface for Ember.js. It provides a lot of useful tools and features that make it easy to set up, build and test Ember.js applications. With Ember CLI, you can easily create new projects, generate new files, and run tests. It also provides a development server that allows you to run your application locally and see changes in real time.

  2. Use Ember Addons: Ember addons are reusable packages of Ember.js code that can be easily added to your application. They can help you save time and effort by providing pre-built functionality that you can use in your application. Ember addons can provide everything from UI components to utility functions, and they are easy to install and use.

  3. Use Ember Engines: Ember Engines are a way to partition your application into smaller, more manageable chunks. This can help you organize your codebase, improve performance, and make it easier to test and maintain your application. Engines allow you to separate your application into smaller, self-contained modules that can be developed and deployed independently.

  4. Use Ember Service: Ember service is a way to share state and logic across your application. Services can be used to manage shared states and perform complex logic, such as making API calls, that can be reused across your application. Services are singletons, which means that they are only instantiated once and can be accessed from anywhere in your application.

  5. Use Ember Computed Properties: Ember Computed Properties are a way to automatically update properties based on the values of other properties. This can help you write more efficient and maintainable code. Computed properties are a way to define properties that are derived from other properties in your application, and they are automatically updated when the underlying properties change.

  6. Use Ember Fastboot: Ember Fastboot is a server-side rendering solution for Ember.js. It allows you to render your Ember.js application on the server and send the pre-rendered HTML to the client. This can help improve the load time and performance of your application. With Ember Fastboot, your application will be fully rendered on the server and sent to the client as a complete HTML document, which means that the client does not have to wait for the JavaScript to load and execute.

  7. Use Ember Inspector: Ember Inspector is a browser extension that helps you inspect and debug Ember.js applications. It provides a lot of useful information, such as the state of your application, and can help you find and fix bugs more quickly. With Ember Inspector, you can inspect your application's components, routes, services, and more, and see how they are interacting with each other.

  8. Use Ember Lint: Ember Lint is a set of linting rules for Ember.js applications. It helps you ensure that your code follows best practices and is consistent with the Ember.js conventions. Ember Lint can help you catch common mistakes and ensure that your code is readable and maintainable.

By following these best practices, you can build large-scale web applications that are efficient, maintainable, and easy to test and debug.

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