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Javascript – What is the strict type for the below code in angular

const componentMapper = {
  input: InputComponent,
  button: ButtonComponent,
  select: SelectComponent,
  date: DateComponent,
  radiobutton: RadiobuttonComponent,
  checkbox: CheckboxComponent,
  switch: SwitchComponent,
  textarea: TextAreaComponent
};
const compFactory = this.resolver.resolveComponentFactory(componentMapper[this.field.type]);

What is strict type for const compFactory

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2

Answers


  1. 0

    The type of compFactory is

    ComponentFactory<
  typeOf InputComponent
  | typeOf ButtonComponent
  | ...
  | typeOf SwitchComponent
  | typeOf TextAreaComponent
>
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  2. 0

    Since there can be multiple component, best to go for any type. Since its more readable.

    const componentMapper: { [key: string]: any } = {
  child: Child,
};

    Stackblitz Demo

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