Angular's Dynamic Reactive Forms

I encountered an issue while using Typed Reactive Forms in Angular 14. I have defined a type that connects a model to a strict form group. The problem arises specifically when utilizing the Date or Blob type. Note: I am working with Angular 14.

Error: src/app/sumarios/submission-sumario/submission-sumario.component.ts:903:7 - error TS2740: Type 'FormControl<Date>' is missing the following properties from type 'FormGroup<ControlsOf<Date>>': controls, registerControl, addControl, removeControl, and 2 more.

903       dataCriacao: new FormControl(sumario.dataCriacao),

Source:

export type ControlsOf<T extends Record<any, any>> = {
  [P in keyof T]?: T[P] extends Record<any, any>
  ? T[P] extends (infer U)[] ? (U extends Record<any, any> ? FormArray<FormGroup<ControlsOf<U>>> : FormArray<FormControl<U>>) : FormGroup<ControlsOf<T[P]>>
  : FormControl<T[P]>
}

https://i.sstatic.net/DvCSG.png

Class:

https://i.sstatic.net/6kEwB.png

[EDIT]

Check out this example showcasing the error

Answer №1

Concerned about ControlsOf? If not, consider switching to ngx-mf.

Check out this stackblitz for an example.

Learn more about the 4 Issues with Angular 14 Typed Forms and How to Resolve Them

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