@bluecateng/pelagos-charts/dist/charts/extractStackDataFromColumns.js

Chart components

import 'core-js/actual/iterator/filter';
import 'core-js/actual/iterator/map';
export default ({
  labels: labelSet,
  groups: groupData
}, selectedGroups) => {
  const selectedSet = new Set(selectedGroups);
  const allGroups = new Map(groupData);
  const allSelected = selectedSet.size === 0 || selectedSet.size === allGroups.size;
  const groups = allSelected ? allGroups : new Map(allGroups.entries().filter(([key]) => selectedSet.has(key)));
  const groupSet = new Set(groups.keys());
  const groupIndex = new Map(allGroups.keys().map((key, index) => [key, index]));
  const stackData = new Map();
  const hintValues = new Map();
  if (labelSet) {
    labelSet.forEach((label, i) => {
      const groupMap = new Map();
      stackData.set(label, groupMap);
      const hintList = [];
      hintValues.set(label, hintList);
      for (const [group, list] of groups) {
        const value = list[i];
        if (value !== null) {
          groupMap.set(group, value);
          hintList.push([group, value]);
        }
      }
    });
  }
  return {
    stackData,
    groupSet,
    groupIndex,
    hintValues,
    labelSet
  };
};