@tidyjs/tidy/dist/lib/helpers/groupTraversal.js

Tidy up your data with JavaScript, inspired by dplyr and the tidyverse

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function groupTraversal(grouped, outputGrouped, keys, addSubgroup, addLeaves, level = 0) {
  for (const [key, value] of grouped.entries()) {
    const keysHere = [...keys, key];
    if (value instanceof Map) {
      const subgroup = addSubgroup(outputGrouped, keysHere, level);
      groupTraversal(value, subgroup, keysHere, addSubgroup, addLeaves, level + 1);
    } else {
      addLeaves(outputGrouped, keysHere, value, level);
    }
  }
  return outputGrouped;
}

exports.groupTraversal = groupTraversal;
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