@e-group/utils/esm/flatten/flatten.js

eGroup team utils that share across projects.

export default function flatten(obj) {
  const result = {};

  function traverseAndFlatten(currentNode, flattenedKey) {
    Object.keys(currentNode).forEach(key => {
      if (Object.prototype.hasOwnProperty.call(currentNode, key)) {
        let newKey;

        if (flattenedKey === undefined) {
          newKey = key;
        } else {
          newKey = "".concat(flattenedKey, ".").concat(key);
        }

        const value = currentNode[key];

        if (typeof value === 'object') {
          traverseAndFlatten(value, newKey);
        } else {
          result[newKey] = value;
        }
      }
    });
  }

  traverseAndFlatten(obj);
  return result;
}