tHandler( event, sendFn ) {

	event.preventDefault();
	wheelEventHandlerImpl( event, sendFn );

}

function preventDefaultHandler( event ) {

	event.preventDefault();

}

function copyProperties( src, properties, dst ) {

	for ( const name of properties ) {

		dst[ name ] = src[ name ];

	}

}

function makeSendPropertiesHandler( properties ) {

	return function sendProperties( event, sendFn ) {

		const data = { type: event.type };
		copyProperties( event, properties, data );
		sendFn( data );

	};

}

fun