Reports

What about using a single required input whose model is typed in a way to make a sub-property required based on the other property's value?

Something like:

interface InputBase {
  fruitType: 'apple' | 'banana';
  fruitColor?: string; // notice that this is optionnal in the base interface
}

interface InputApple extends InputBase {
  fruitType: 'apple';
  fruitColor: string; // notice that this is now required if fruitType value is 'apple'
}

interface InputBanana extends InputBase {
}

export type InputType = InputBanana | InputApple; // this is the type you use

That way, your input would, through TypeScript validation, make sure that some property is required only if another value is x.

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