import { BaseCommand , baseCommand } from '@/components/Graph/command/base' ; const DELTA = 0.05 ; const zoomInCommand = { ... baseCommand , canUndo ( ) { return false ; } , execute ( graph ) { const ratio = 1 + DELTA ; const zoom = graph . getZoom ( ) * ratio ; const maxZoom = graph . get ( 'maxZoom' ) ; if ( zoom > maxZoom ) { return ; } graph . zoom ( ratio ) ; } , shortcuts : [ [ 'metaKey' , '=' ] , [ 'ctrlKey' , '=' ] , ] , } ; export default zoomInCommand ;