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library angular2.src.transform.logging;
import 'package:barback/barback.dart';
import 'package:code_transformers/messages/build_logger.dart';
BuildLogger _logger;
/// Prepares [logger] for use throughout the transformer.
void init(Transform t) {
if (_logger == null) {
_logger = new BuildLogger(t);
} else {
_logger.fine('Attempted to initialize logger multiple times.',
asset: t.primaryInput.id);
}
}
/// The logger the transformer should use for messaging.
BuildLogger get logger {
if (_logger == null) {
throw new StateError('Logger never initialized.');
}
return _logger;
}