import {SliderState} from '@react-stately/slider'; interface SliderData { id: string, 'aria-describedby'?: string, 'aria-details'?: string } export const sliderData = new WeakMap(); export function getSliderThumbId(state: SliderState, index: number) { let data = sliderData.get(state); if (!data) { throw new Error('Unknown slider state'); } return `${data.id}-${index}`; }