buildExtensions property

  1. @override
Map<String, List<String>> buildExtensions
final

Mapping from input file extension to output file extensions.

All input sources matching any key in this map will be passed as a build step to this builder. Only files with the same basename and an extension from the values in this map are expected as outputs.

  • If an empty key exists, all inputs are considered matching.
  • An instance of a builder must always return the same configuration. Typically, a builder will return a const map. Builders may also choose extensions based on BuilderOptions.
  • Most builders will use a single input extension and one or more output extensions.

TODO(davidmorgan): add examples.

Implementation

@override
final buildExtensions = const {
  '_test.dart': [
    '_test.dart.vm_test.dart',
    '_test.dart.browser_test.dart',
    '_test.dart.node_test.dart',
  ],
};