【发布时间】：2018-04-24 16:39:33
【问题描述】：
当我使用 Angular 5 项目构建时
ng build --prod
它给出的打字稿错误如下。
ERROR in Error: TypeError: Cannot read property 'type' of undefined
at Object.getEffectiveTypeAnnotationNode (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:9341:18)
at assignContextualParameterTypes (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:41652:25)
at checkFunctionExpressionOrObjectLiteralMethod (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:41948:29)
at checkExpressionWorker (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42959:28)
at checkExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42898:42)
at checkBinaryLikeExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42475:29)
at checkBinaryExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42467:20)
at checkExpressionWorker (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42980:28)
at checkExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42898:42)
at checkBinaryLikeExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42475:29)
at checkBinaryExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42467:20)
at checkExpressionWorker (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42980:28)
at checkExpression (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:42898:42)
at checkExpressionStatement (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:44962:13)
at checkSourceElement (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:46746:28)
at Object.forEach (E:\Files\dash-functional\node_modules\typescript\lib\typescript.js:1506:30)
节点版本 - 8.11.1 我该如何解决这个问题。
【问题讨论】：
标签： angular5