to _.groupBy, or not to _.groupBy

groupby.js

const docTypes = _.groupBy(docs, doc => {
  switch (doc._type) {
    case 'search':
      return 'searches'
    default:
      return 'other'
  }
});

native.js

const docTypes = docs.reduce((types, doc) => {
  switch (doc._type) {
    case 'search':
      types.searches.push(doc);
      break;
    default:
      types.other.push(doc);
  }
  return types;
}, {
  searches: [],
  other: [],
});