Function clamp

src/components/createDataZoomSlider.ts:16–16

(v: number, lo: number, hi: number)

}

const clamp = (v: number, lo: number, hi: number): number => Math.min(hi, Math.max(lo, v));

const normalizeRange = (range: ZoomRange): ZoomRange => {
  let { start, end } = range;