Cleanup, add licensing, versioning

CHANGELOG.md

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+## 0.1.0
+
+- Initial Commit

LICENSE

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+Copyright 2016, the Dart project authors. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# source_transformer
+
+_NOTE: This project is **not** an official Google or dart-lang project_
+
+**This package is currently in development**
+
+Not to be confused with `code_transformers` or `source_gen`,
+`source_transformer` is a library for building and applying
+modifications to existing files, primarily `.dart` source files, and to
+commit the results of those changes.
+
+Example uses:
+
+* Writing tools to automatically upgrade deprecated APIs
+* Writing tools to perform mass refactorings
+* Writing tools to perform macros as part of writing new code
+
+An example of creating a binary that removes duplicate imports/exports:
+
+```dart
+import 'package:source_transformer/source_transformer.dart';
+
+main(List<String> paths) async {
+  await runTransformer(const DeduplicateDirectives(), paths);
+}
+```

bin/deduplicate.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:source_transformer/source_transformer.dart';
 
 /// Remove all duplicate imports and exports in a set of files.

lib/source_transformer.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 export 'package:source_transformer/src/cli.dart' show runTransformer;
 export 'package:source_transformer/src/dart/directives.dart'
     show

lib/src/dart/directives.dart

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 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
+
 library source_transformer.src.dart.directives;
 
 import 'package:analyzer/analyzer.dart';

lib/src/dart/directives/equality.dart

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 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
+
 part of source_transformer.src.dart.directives;
 
 class DirectiveEquality implements Equality<Directive> {

lib/src/dart/directives/transformer.dart

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 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
+
 part of source_transformer.src.dart.directives;
 
 /// A high-level transformer for manipulating `import` and `export` directives.

pubspec.yaml

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 name: source_transformer
+author: Dart Team <misc@dartlang.org>
+version: 0.1.0
+description: Patterns for easily re-writing source code
+homepage: https://www.github.com/google/source_transformer.dart
+
+environment:
+  sdk: ">=1.8.0 <2.0.0"
 
 dependencies:
-  analyzer:
-  collection:
-  meta:
-  quiver:
-  source_span:
+  analyzer: '>=0.29.1 <0.30.0'
+  collection: '^1.11.0'
+  meta: '^1.0.3'
+  quiver: '>=0.22.0 <0.30.0'
+  source_span: '^1.0.0'
 
 dev_dependencies:
-  test:
+  test: '^0.12.17'

test/dart/directives/deduplicate_test.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:source_span/source_span.dart';
 import 'package:source_transformer/src/dart/directives.dart';
 import 'package:test/test.dart';

test/dart/directives/equality_test.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:analyzer/analyzer.dart';
 import 'package:source_transformer/src/dart/directives.dart';
 import 'package:test/test.dart';

test/dart/directives/remove_test.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:source_span/source_span.dart';
 import 'package:source_transformer/src/dart/directives.dart';
 import 'package:test/test.dart';

test/dart/directives/replace_test.dart

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+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 import 'package:source_span/source_span.dart';
 import 'package:source_transformer/src/dart/directives.dart';
 import 'package:test/test.dart';