portainer/app/types.ts

export interface AutomationTestingProps {
  /**
   * Used by cypress to identify this property.
   *
   * Change with care and communicate this with QA
   */
  'data-cy': string;
}

declare module 'react' {
  interface HTMLAttributes<T>
    extends AriaAttributes,
      DOMAttributes<T>,
      Partial<AutomationTestingProps> {
    // keep AutomationTestingProps 'data-cy' optional because HTMLAttributes covers non interactive elements
  }
}

export type WithRequiredProperty<Type, Key extends keyof Type> = Type & {
  [Property in Key]-?: Type[Property];
};