"ERROR in getInternalNameOfClass() called on a non-ES5 class: expected AngularFireModule to have an inner class declaration"

Question

Terminal -

    "WARNING in Invalid constructor parameter decorator in D:/New folder/SilverLife/node_modules/@angular/fire/fesm2015/angular-fire.js:
     () => [
        { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] }
    ]
    
    ERROR in getInternalNameOfClass() called on a non-ES5 class: expected
    AngularFireModule to have an inner class declaration"

I am facing this issue while integrating Angular firebase in my Angular 9 project.

Answer 1

Try changing target in the compilerOptions of your tsconfig.json from es5 to es2015