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const wasTouched = () => {
  myFrameworkOfChoice.dispatchEvent('USER_HAS_TOUCHED', true);
  window.removeEventListener('touchstart', wasTouched, false);
  window.addEventListener('mousedown', wasClicked, false);
};

const wasClicked = () => {
  myFrameworkOfChoice.dispatchEvent('USER_HAS_TOUCHED', false);
  window.removeEventListener('mousedown', wasClicked, false);
  window.addEventListener('touchstart', wasTouched, false);
};

window.addEventListener('touchstart', wasTouched, false);