我的dart2js编译的Chrome打包应用程序和Uncaught Error: Instance of 'UnknownJavaScriptObject'和崩溃ReferenceError: DartObject is not defined。
完整的堆栈跟踪如下
Uncaught Error: Instance of 'UnknownJavaScriptObject' echo_mco.dart.js:7913
Stack Trace:
ReferenceError: DartObject is not defined
at dart._convertToDart (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:7422:34)
at JsObject.$index (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:7449:16)
at dart.J.$index$asx (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:8496:41)
at chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:8874:12
at Isolate.prototype.(anonymous function) (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:9412:37)
at chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:8871:25
at Isolate.prototype.(anonymous function) (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:9412:37)
at RawDatagramSocket_bind_closure.call$0 (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:3079:14)
at dart.Future_Future$sync (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:3381:28)
at dart.RawDatagramSocket.static.RawDatagramSocket_bind (chrome-extension://paadaccdfibbhkkhjaolagidoopakdik/echo_mco.dart.js:3070:18)
这是由于interop.js未正确包含脚本引起的。它必须作为
<script src="packages/browser/interop.js"></script>
并且它必须在所有其他与Dart相关的JavaScript中包括。因此，包括可能看起来像这样
<script src="packages/browser/interop.js"></script>
<script type="application/dart">export 'package:polymer/init.dart';</script>
<script src="packages/browser/dart.js"></script>
在使用chrome程序包的Chrome打包应用程序中，包含内容可能如下所示
<script src="packages/browser/interop.js"></script>
<script src="packages/chrome/bootstrap.js" defer></script>
<script src="echo_mco.dart" type="application/dart"></script>
正在https://code.google.com/p/dart/issues/detail?id=15065讨论并解决该问题
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我来说两句