No injector for custom defined data type的解决办法
“message”: "Can’t resolve all parameters for AppComponent in c:/Code/SPA/mystore/src/app/app.component.ts
‘DebugConfig’ only refers to a type, but is being used as a value here.
解决办法
在app module里定义一个abstract class:
在NgModule的providers里定义这个injectable objects:
此时在Component里就可以注入DebugConfig了:
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