author ChicAboo
 *  date import { select } from 'd3-selection' ; import { IndexProps } from '@/typings' ; param lineId param config param arrow export function lineHover ( this , lineId , { lineColor , lineWidth , circleFill , textFill } , arrow ) { select ( this ) . select ( 'path' ) . attr ( 'stroke' , lineColor ) . attr ( 'stroke-width' , lineWidth ) . attr ( 'marker-end' , `url(#${ arrow })` ) ; select ( this ) . select ( 'circle' ) . attr ( 'fill' , circleFill ) ; select ( this ) . select ( 'text' ) . attr ( 'fill' , textFill ) ; }