How to use the enketo-core/src/js/print.styleToAll function in enketo-core

function printGrid( format ) {
    const swapped = printHelper.styleToAll();
    return printHelper.fixGrid( format )
        .then( window.print )
        .catch( console.error )
        .then( () => {
            if ( swapped ) {
                return new Promise( resolve => {
                    setTimeout( () => {
                        printHelper.styleReset();
                        resolve();
                    }, 500 );
                } );
            }
        } );
}