Convert between Dart and JavaScript SerializedScriptValues on postMessage.

lib/html/src/dart2js_Conversions.dart

 // Copyright (c) 2012, 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.
 
 
 // Conversions for IDBKey.
 //
 // Per http://www.w3.org/TR/IndexedDB/#key-construct
 //
 // "A value is said to be a valid key if it is one of the following types: Array
@@ skipping 111 matching lines @@
  * If necessary, [dartKey] may be copied to ensure all lists are converted into
  * JavaScript Arrays and Dart Dates into JavaScript Dates.
  */
 _convertDartToNative_IDBKey(dartKey) {
   // TODO: Implement.
   return dartKey;
 }
 
 
 
-// May modify original.  If so, action is idempotent.
+/// May modify original.  If so, action is idempotent.
 _convertNativeToDart_IDBAny(object) {
   return _convertNativeToDart_AcceptStructuredClone(object);
 }
 
-/// Converts a Dart value into
+/// Converts a Dart value into a JavaScript SerializedScriptValue.
 _convertDartToNative_SerializedScriptValue(value) {
   return _convertDartToNative_PrepareForStructuredClone(value);
 }
 
+/// May modify original.  If so, action is idempotent.
+_convertNativeToDart_SerializedScriptValue(object) {
+  return _convertNativeToDart_AcceptStructuredClone(object);
+}
+
 
 /**
  * Converts a Dart value into a JavaScript SerializedScriptValue.  Returns the
  * original input or a functional 'copy'.  Does not mutate the original.
  *
  * The main transformation is the translation of Dart Maps are converted to
  * JavaScript Objects.
  *
  * The algorithm is essentially a dry-run of the structured clone algorithm
  * described at
@@ skipping 233 matching lines @@
 }
 
 
 bool _isJavaScriptDate(value) => JS('bool', '# instanceof Date', value);
 bool _isJavaScriptRegExp(value) => JS('bool', '# instanceof RegExp', value);
 bool _isJavaScriptArray(value) => JS('bool', '# instanceof Array', value);
 bool _isJavaScriptSimpleObject(value) =>
     JS('bool', 'Object.getPrototypeOf(#) === Object.prototype', value);
 bool _isImmutableJavaScriptArray(value) =>
     JS('bool', r'!!(#.immutable$list)', value);