我在测试我的aurelia应用程序时得到一个空白页面并出现此错误。它一直有效，直到我做了一些改变，我不知道哪一个打破了它。 vendor-bundle.js:13551位于核心代码中。我已经看到了调试消息，你可以看到。有没有办法找到导致这样的错误的原因，而不是一次撤消一个更改？
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DEBUG [aurelia] Configured plugin aurelia-templating-router.
DEBUG [aurelia] Loading plugin resources/index.
Uncaught SyntaxError: Unexpected token export
vendor-bundle.js:13551 Uncaught TypeError: Cannot read property '__useDefault' of undefined
at ensureOriginOnExports (vendor-bundle.js:13551)
at vendor-bundle.js:13659
at Object.execCb (vendor-bundle.js:5432)
at Module.check (vendor-bundle.js:4620)
at Module.<anonymous> (vendor-bundle.js:4875)
at vendor-bundle.js:3873
at vendor-bundle.js:4925
at each (vendor-bundle.js:3798)
at Module.emit (vendor-bundle.js:4924)
at Module.check (vendor-bundle.js:4675)
at Module.enable (vendor-bundle.js:4912)
at Module.init (vendor-bundle.js:4525)
at callGetModule (vendor-bundle.js:4939)
at Object.completeLoad (vendor-bundle.js:5347)
at HTMLScriptElement.onScriptLoad (vendor-bundle.js:5453)