@mui/x-charts/ChartsTooltip/utils.mjs

The community edition of MUI X Charts components.

import useMediaQuery from '@mui/material/useMediaQuery';
export function utcFormatter(v) {
  if (v instanceof Date) {
    return v.toUTCString();
  }
  return v.toLocaleString();
}

// Taken from @mui/x-date-time-pickers
const mainPointerFineMediaQuery = '@media (pointer: fine)';

/**
 * Returns true if the main pointer is fine (e.g. mouse).
 * This is useful for determining how to position tooltips or other UI elements based on the type of input device.
 * @returns true if the main pointer is fine, false otherwise.
 */
export const useIsFineMainPointer = () => {
  return useMediaQuery(mainPointerFineMediaQuery, {
    defaultMatches: true
  });
};