snowberb – 08-56 Jun 23

const getChartData = (data: Contribution[], contributionType: ContributionTypeEnum) => {
  const sortedData = [...data].sort((a, b) => b.volatility - a.volatility);
  let first10: Contribution[] = [];
  let others: Contribution[] = [];

  if (contributionType !== 'INSTRUMENTS') {
    first10 = sortedData.slice(0, 10);

    if (sortedData.length > 10) {
      others = sortedData.slice(10);
    }
  } else {
    const first5 = sortedData.slice(0, 5);
    let last5: Contribution[] = [];

    if (sortedData.length > 5) {
      if (sortedData.length <= 10) {
        last5 = sortedData.slice(5, sortedData.length);
      } else {
        last5 = sortedData.slice(-5);

        others = sortedData.slice(5, sortedData.length - 1 - 5);
      }
    }

    first10 = [...first5, ...last5];
  }

  return { data: first10, others };
};