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lib/src/codegen/module_builder.dart

 // Copyright (c) 2015, 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 dev_compiler.src.codegen.module_builder;
 
 import 'package:path/path.dart' show relative;
 
 import '../js/js_ast.dart' as JS;
 import '../js/js_ast.dart' show js;
@@ skipping 114 matching lines @@
       // Lazy declarations may reference exports.
       js.statement("const # = {};", [exportsVar])
     ];
 
     // TODO(jmesserly): it would be great to run the renamer on the body,
     // then figure out if we really need each of these parameters.
     // See ES6 modules: https://github.com/dart-lang/dev_compiler/issues/34
     for (var i in _imports) {
       var moduleName = js.string(_relativeModuleName(i.name, from: jsPath));
       // TODO(ochafik): laziness, late binding, etc, to support Closure...
-      moduleStatements.add(new JS.ImportDeclaration(
-          defaultBinding: i.libVar, from: moduleName));
+      moduleStatements.add(
+          new JS.ImportDeclaration(defaultBinding: i.libVar, from: moduleName));
     }
 
     moduleStatements.addAll(_flattenBlocks(moduleItems));
 
     if (_exports.isNotEmpty) {
       moduleStatements.add(js.comment('Exports:'));
       // TODO(jmesserly): make these immutable in JS?
       for (var name in _exports) {
         moduleStatements
             .add(js.statement('#.# = #;', [exportsVar, name, name]));
       }
       moduleStatements
           .add(new JS.ExportDeclaration(exportsVar, isDefault: true));
     }
     // TODO(ochafik): What to do of jsModuleValue?
     return new JS.Program(moduleStatements);
   }
 }
 
 /// Flattens blocks in [stats] to a single list of module items.
 /// Note that in general, blocks should not be flattened, because it can
 /// mess up with block-level scoping (let, const).
 // TODO(ochafik): Remove this / find better pattern (adding statements as they
 // are generated from [JSCodegenVisitor], instead of composing them with
 // [_statements]).
 Iterable<JS.ModuleItem> _flattenBlocks(List<JS.ModuleItem> stats) =>
-    stats.expand((item) => item is JS.Block
-        ? _flattenBlocks(item.statements) : [item]);
+    stats.expand(
+        (item) => item is JS.Block ? _flattenBlocks(item.statements) : [item]);