@rollup/pluginutils contains utility functions commonly used by Rollup plugins. It offers functionalities for handling options, creating warnings and errors, normalizing paths, and filtering files. Plugin authors leverage these tools to streamline development and ensure cross-compatibility with different Rollup versions and configurations. Using @rollup/pluginutils promotes code reusability and helps maintain consistency across the Rollup plugin ecosystem. This package is essential for simplifying plugin development, promoting robust plugin behavior, and improving maintainability.
