fields.ts

type ID = string | number;

interface Field {
  name: string;
  id: ID;
  required?: boolean;
}

interface TextField extends Field {
  type: "Text";
}

interface SelectField<T = string | number> extends Field {
  type: "Select"
  options: Option<T>
  default?: string
  required?: boolean;
}

interface StepperField extends Field {
  type: "Stepper"
  default?: number;
  min?: number;
  max?: number;
  disabledValue: number | undefined;
}

type Option<T> = {
  value: T;
  label: string;
}

export type Fields = TextField | SelectField | StepperField;

export type FieldType = Fields["type"]