How to Create A New Ember.js Project?

13 minutes read

To create a new Ember.js project, follow these steps:

  1. Install Node.js: Ember.js requires Node.js to be installed on your system. Download and install the latest version of Node.js from the official website.
  2. Install Ember CLI: Ember CLI is a command-line interface tool that helps in creating, building, and managing Ember.js projects. Open a terminal or command prompt and run the following command to install Ember CLI globally:
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npm install -g ember-cli


  1. Create a new project: Once Ember CLI is installed, navigate to the directory where you want to create your project. Run the following command to create a new Ember.js project:
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ember new project-name


Replace project-name with the desired name for your project.

  1. Install project dependencies: After the project is created, navigate to the project directory using the command:
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cd project-name


Then, run the following command to install the project dependencies specified in the package.json file:

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npm install


  1. Start the development server: Finally, start the Ember.js development server by running the following command:
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ember serve


This command will compile your project and start a local development server. You can access your Ember.js application by visiting http://localhost:4200 in your web browser.


You have successfully created a new Ember.js project and can now start building your application using this powerful JavaScript framework.

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What is an Ember.js project structure?

An Ember.js project typically follows a standard structure that organizes files and folders in a prescribed manner. This structure helps in maintaining a clean and organized codebase and facilitates easy collaboration among developers. Here is a general overview of an Ember.js project structure:

  1. app folder: This is the main folder containing the bulk of the code for your Ember.js application. It includes the following subfolders: adapters: Contains adapters responsible for handling data communication with a backend API. components: Contains reusable UI components that are shared across multiple routes and templates. controllers: Contains logic related to individual routes, managing the application's state, and handling user interactions. helpers: Contains custom helper functions that can be used in templates. models: Contains data models that define the structure and behavior of the application's data. routes: Contains files responsible for handling routing, loading data, and rendering templates. serializers: Contains serializers responsible for converting data between the backend API format and the Ember data model format. styles: Contains stylesheets for the application. templates: Contains handlebars templates for rendering UI components. transforms: Contains custom transforms used to serialize/deserialize complex data types in models. utils: Contains utility functions that can be used across the application. initializers: Contains code that needs to be run during application bootstrapping.
  2. config folder: Contains configuration files for your Ember.js application, including environment-specific settings, route maps, and custom configurations.
  3. tests folder: Contains test files for various parts of your application, including unit tests, integration tests, and acceptance tests.
  4. public folder: Contains static assets that are served directly without any processing (e.g., images, fonts, etc.).
  5. Other important files: ember-cli-build.js: Contains configuration for building and packaging your Ember.js application. package.json: Contains metadata and dependencies for the project. ember-cli-build.js: Contains configuration for building and packaging your Ember.js application. index.html: The initial HTML file that loads your Ember.js application.


Note that this is a general structure, and you can customize it based on your project's requirements.


How to install Ember.js on my local machine?

To install Ember.js on your local machine, you can follow these steps:


Step 1: Install Node.js

  • Go to the official Node.js website (https://nodejs.org) and download the latest version of Node.js.
  • Run the installer and follow the instructions to install Node.js.


Step 2: Install Ember CLI

  • Open a command prompt or terminal window.
  • Run the following command to install Ember CLI globally:
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npm install -g ember-cli


  • This may take a few minutes to complete.


Step 3: Create a New Ember.js App

  • Choose a directory where you want to create your Ember.js project.
  • In the command prompt or terminal, navigate to that directory.
  • Run the following command to create a new Ember.js app:
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ember new my-app


  • Replace 'my-app' with the name you want for your app. This will create a new directory with the chosen name and set up a new Ember.js project inside it.
  • Wait for the dependencies to be installed.


Step 4: Start the Ember Server

  • Navigate into the newly created app directory:
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cd my-app


  • Run the following command to start the development server:
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ember serve


  • This command will start the Ember.js development server, and you can access your app in a browser at http://localhost:4200.


That's it! You have successfully installed and set up Ember.js on your local machine. You can now start building your Ember.js application.


What is Ember.js and why should I use it for my project?

Ember.js is an open-source JavaScript framework that enables developers to create ambitious web applications with ease. It follows the Model-View-ViewModel (MVVM) architectural pattern and provides a set of best practices, conventions, and tools to streamline the development process.


There are several reasons why you should consider using Ember.js for your project:

  1. Productivity: Ember.js emphasizes convention over configuration, which means it provides sensible defaults and reduces the amount of boilerplate code you need to write. This allows developers to focus more on building the application logic rather than dealing with configuration details.
  2. Robustness: Ember.js is built to handle complex applications with many components and interactions. It offers powerful features like computed properties, data binding, and automatically updating templates that simplify the management of dynamic user interfaces.
  3. Stability: Ember.js has a strong commitment to backward compatibility. Major versions of the framework are released every six months, providing a clear upgrade path for existing applications. This ensures that your codebase will not become outdated or require significant rewrites in the future.
  4. Community and ecosystem: Ember.js has a large and active community of developers who contribute to its continuous improvement. It offers an extensive set of addons and libraries that can be easily integrated into your project, providing additional functionalities like authentication, form validation, or data manipulation.
  5. Official support for testing: Ember.js promotes test-driven development and provides an official testing framework called Ember Testing. This makes it easier to write unit tests, integration tests, and acceptance tests, ensuring the quality and maintainability of your application.


Ultimately, whether you should use Ember.js for your project depends on your specific requirements and preferences. However, if you are looking for a robust, opinionated, and feature-rich JavaScript framework, Ember.js is definitely worth considering.


What are services in Ember.js and how to create them?

In Ember.js, services are objects that provide functionality that can be shared across different parts of an application, such as components, routes, and controllers. Services are designed to encapsulate reusable logic or data that doesn't necessarily belong to a specific instance of a particular class.


To create a service in Ember.js, you can use the Ember CLI command ember generate service <service-name>. This will create a new service file in the app/services directory.


For example, to create a service called shopping-cart, you can run the following command:

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ember generate service shopping-cart


This will generate a shopping-cart.js file in the app/services directory with the following content:

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import Service from '@ember/service';

export default class ShoppingCartService extends Service {
  // Add your service logic here
}


You can then add properties, methods, and computed properties to the service class as needed. Services can also be injected into other parts of the application (e.g., components, controllers, routes) to make them accessible.


For example, adding a property called items to the shopping-cart service:

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import Service from '@ember/service';

export default class ShoppingCartService extends Service {
  items = [];

  addItem(item) {
    this.items.push(item);
  }

  // Add other methods or computed properties here
}


Once the service is created, you can inject it into a component, controller, or route using the @service decorator or the Ember.inject function.


For example, to inject the shopping-cart service into a component called shopping-cart-summary:

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import Component from '@glimmer/component';
import { inject as service } from '@ember/service';

export default class ShoppingCartSummaryComponent extends Component {
  @service shoppingCart;
}


Now, you can access the shoppingCart service instance within the component and use its properties and methods.


Note that services in Ember.js are singletons, meaning there is only one instance of a service throughout the application. This allows data to be shared and maintained consistently across different parts of the app.


What are the best practices for Ember.js project structure and organization?

  1. Use the Ember CLI: Ember CLI is a powerful command-line tool that provides a consistent project structure and automates many tasks, such as generating components, models, and routes. It enforces best practices and helps in maintaining a well-structured project.
  2. Organize files by feature: Group related files together based on the feature they belong to. For example, create a folder for each route, and inside that folder, include the template, component, and controller related to that route.
  3. Use pod structure: Ember CLI supports a pod structure, where each route is contained within a folder with the same name as the route. This makes it easier to find and manage related files.
  4. Separate concerns: Split your code into components, routes, models, and services, based on their responsibilities. Keep the logic related to rendering UI in components, handling data in models and services, and managing application state in routes and controllers.
  5. Use the ember-concurrency addon: The ember-concurrency addon provides a way to handle asynchronous tasks and improves the readability and maintainability of your code. It is a recommended approach for handling complex or long-running tasks.
  6. Write tests: Ember.js has a strong testing ecosystem. Write tests for your components, routes, and other modules to ensure the stability and correctness of your application. Use tools like Ember QUnit or Ember CLI Mocha to write and run tests.
  7. Use Ember.js conventions: Ember.js has many conventions that help in maintaining consistency across projects. Follow these conventions, such as naming conventions for templates and routes, and use the Ember.js way of doing things to leverage the framework's full potential.
  8. Modularize your code: Break down your application into smaller reusable modules. This makes it easier to test, update, and maintain your codebase.
  9. Use addons effectively: Ember.js has a rich ecosystem of addons that provide additional functionality. Use these addons to enhance your application and reduce the amount of custom code you need to write.
  10. Stay up to date: Ember.js is an actively maintained framework with regular updates and improvements. Stay up to date with the latest releases and best practices by following the official Ember.js blog and community channels.


Overall, the key to a well-structured Ember.js project is to follow the framework's conventions, organize your code by feature, and leverage tools like Ember CLI and addons to simplify development and maintenance.


How to use Ember.js addons to extend project functionality?

To use Ember.js addons to extend project functionality, you can follow these steps:

  1. Install the addon: Use the ember install command to install the desired addon. This will automatically add the addon to your project's package.json file.
  2. Import and configure the addon: Open your Ember project's config.js file and import the addon using the ember-cli-babel import syntax. For example, import MyAddon from 'my-addon';. Configure any necessary settings or options for the addon, such as API keys or global configurations.
  3. Use the addon within your project: To use the addon's functionality, you can import its components, helpers, or services in the desired files. The import statement would be similar to the import used in step 2.
  4. Customize or extend the addon's functionality: Many addons provide hooks, options, or components that can be extended or overridden to meet your project's specific requirements. Refer to the addon documentation to learn about any customization options and make necessary changes in your project's codebase.
  5. Rebuild and run your project: After incorporating the addon, run your Ember development server using ember serve or rebuild the project using ember build. This will ensure that your project reflects the changes made by the addon.


By following these steps, you can effectively use Ember.js addons to extend your project's functionality and leverage the additional features and utilities provided by the addon. Remember to refer to the addon's documentation for specific implementation details and usage guidelines.

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