@mui/x-charts/esm/internals/invertScale.js

The community edition of MUI X Charts components.

import { isOrdinalScale } from "./scaleGuards.js";
export function invertScale(scale, data, value) {
  if (isOrdinalScale(scale)) {
    const dataIndex = getDataIndexForOrdinalScaleValue(scale, value);
    return data[dataIndex];
  }
  return scale.invert(value);
}

/**
 * Get the data index for a given value on an ordinal scale.
 */
export function getDataIndexForOrdinalScaleValue(scale, value) {
  const dataIndex = scale.bandwidth() === 0 ? Math.floor((value - Math.min(...scale.range()) + scale.step() / 2) / scale.step()) : Math.floor((value - Math.min(...scale.range())) / scale.step());
  return dataIndex;
}