Publishing an open-source Dart package is one of the highest-leverage things an indie developer can do: it builds your reputation, drives traffic, and forces you to write cleaner code. This guide walks you through every step — package structure, pubspec setup, API docs, testing, and a fully automated GitHub Actions publish pipeline. 1. Package Structure my_package/ lib/ my_package.dart # Main export barrel file src/ feature_a.dart # Implementation (not for direct import) feature_b.dart example/ lib/ main.dart # Shown on pub.dev test/ feature_a_test.dart feature_b_test.dart CHANGELOG.md # Required — follows keep-a-changelog format LICENSE # Required — MIT or BSD-3 recommended README.md # pub.dev landing page pubspec.yaml # Package metadata Enter fullscreen mode Exit fullscreen mode 2. pubspec.yaml name : my_flutter_utils description : >- Flutter utilities for debounced search, infinite scroll, form validation, and common UI patterns.…