What is a pub file in Dart?

At a minimum, a Dart package is a directory containing a pubspec file . The pubspec contains some metadata about the package. Additionally, a package can contain dependencies (listed in the pubspec), Dart libraries, apps, resources, tests, images, and examples.

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How many packages are in Flutter?

Open source packages play a huge role in software development, especially when it comes to building Flutter apps. Pub. dev has a growing ecosystem of over 18,000 packages to help you add functionality to your Flutter application and leverage solutions created by the community.

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