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

Chart components

import 'core-js/actual/iterator/filter';
import 'core-js/actual/iterator/map';
export default ({
  labels: bottomList,
  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 groupIndex = new Map(allGroups.keys().map((key, index) => [key, index]));
  const hintValues = new Map();
  const leftSet = new Set();
  const pointList = [];
  if (bottomList) {
    bottomList.forEach((bottomValue, i) => {
      const hintList = [];
      hintValues.set(bottomValue, hintList);
      for (const [group, list] of groups) {
        const leftValue = list[i];
        if (leftValue !== null) {
          leftSet.add(leftValue);
          hintList.push([group, leftValue]);
          pointList.push([group, bottomValue, leftValue]);
        }
      }
    });
  }
  const leftList = Array.from(leftSet);
  return {
    groups,
    groupIndex,
    hintValues,
    leftList,
    bottomList,
    pointList
  };
};