Dart Dev Hub

Basics

Dart Packages

Using Dart Packages

Dart packages are managed with pubspec.yaml and pub.dev.

What are Dart Packages?

Dart packages are collections of reusable code, resources, and metadata, which developers can use to extend the functionality of their applications. They are similar to libraries or modules in other programming languages.

Packages in Dart are hosted on pub.dev, where you can explore thousands of packages contributed by the Dart community.

Managing Packages with pubspec.yaml

The pubspec.yaml file is the centerpiece of any Dart project when it comes to managing packages. It specifies the dependencies, environment constraints, and other metadata about the project. Here's a basic example of a pubspec.yaml file:

Adding a Dependency

To add a new package dependency, you need to modify the dependencies section of your pubspec.yaml file. For example, to add the provider package, update your file as follows:

After updating the pubspec.yaml file, run the following command to install the new dependencies:

Publishing Your Own Package

Creating and publishing your own package is straightforward. First, ensure your package follows the Dart language guidelines and conventions. Then, you can publish it to pub.dev by running:

Before publishing, make sure your package has a valid pubspec.yaml file, README, and is thoroughly tested.

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