问题描述
我已经将我的angular 7应用程序迁移到了8.0.0，现在我正在尝试新的编译器常春藤.
I have migrated my angular 7 app to 8.0.0 and i'am now trying the new compiler ivy.
该应用程序在没有常春藤的情况下可以完美运行，但是当我尝试使用它编译时，出现以下错误:
The app works perfectly without ivy but when i try to compile with it i have the following error :
没有行号，没有文件，没有任何东西……很难调试任何东西.
No line number , no file , nothing ... hard to debug anything.
在此之前我有警告，但是我不知道是否相关:
I have warning just before that , but i don't know if it's related :
有什么想法吗?
推荐答案
问题是，应用程序中的某个地方您正在使用@Input装饰器以及查询装饰器之一(@ContentChild，@ContentChildren， @ViewChild，@ViewChildren，@Query).装饰器的这种组合实际上没有任何意义，并且可能会阻止编译器正确分析您的代码，因此会出现错误Cannot combine @Input decorators with query decorators.
The problem is that somewhere in your application you're using the @Input decorator together with one of the query decorators (@ContentChild, @ContentChildren, @ViewChild, @ViewChildren, @Query). This combination of decorators actually makes no sense and may prevent the compiler from correctly analyzing your code, therefore you get the error Cannot combine @Input decorators with query decorators.
浏览代码，并从应用了查询修饰符的成员中删除每个@Input修饰符.另外，您可能会检查所有第三方库是否都与angular 8.0.0兼容.
Look through your code and remove every @Input decorator from members which have a query decorator applied. Also, you might check if all of your 3rd party libraries are compatible with angular 8.0.0.
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