function groupBy()

in index_kibana.js [28:40]

• 12 lines of code
• 5 McCabe index (conditional complexity)

function groupBy(list, groupFn) {
  const map = new Map();
  list.forEach((i) => {
    const group = groupFn(i);
    // exclude lens itself and invalid entries
   if (group === 'lens' || !i || !group ) return;
    if (!map.has(group)) {
      map.set(group, []);
    }
    map.get(group).push(i);
  });
  return map;
}