index.ts

export interface Screen {
  screen: string;
}

export interface ResetScreen<T> extends Screen {
  passProps?: T;
}

export interface PushedScreen<T> extends ResetScreen<T> {
}

interface BioProps {
  username: string;
}

function push<T>(params: PushedScreen<T>) {
  return params.passProps;
}

push<BioProps>({ screen: 'hi', passProps: { username: 'hi' } });