pubspec_yaml Dart library to access and manipulate content of files Class PubspecYaml PubspecYaml is a data type representing data stored in files. The following fields are supported Package name Package version Package description Package author/authors Package homepage, repository, and issue tracker Package documentation Package server specification Dependency specifications regular, dev, and overrides SDK constraints Command-line executables provided by the package Other fields are accessible via as a JSON structure Map. YAML Import PubspecYaml provides two methods to import content The factory method creates an object from a string with content String extension method toPubspecYaml YAML Export produces content that can be written to a file Data Manipulation PubspecYaml uses functional_data extensions to enable equality operations and lenses Example The following Dart script checks whether production dependencies have overrides void main { final pubspecYaml = File' final productionOverrides = override => productionDependency, => == ; if { print'SUCCESS No overrides of production dependencies detected'; } else { print'WARNING Overrides of production dependencies detected'; } }