asb_cloud_front/src/components/d3/renders/base.ts

import * as d3 from 'd3'

import { ChartRegistry } from '../types'

export const appendTransition = <DataType, BaseType extends d3.BaseType, Datum, PElement extends d3.BaseType, PDatum>(
    elms: d3.Selection<BaseType, Datum, PElement, PDatum>,
    chart: ChartRegistry<DataType>
): d3.Selection<BaseType, Datum, PElement, PDatum> => {
    if (chart.animDurationMs && chart.animDurationMs > 0)
        return elms.transition().duration(chart.animDurationMs) as any
    return elms
}