json.ts

import _ from 'lodash';

export function flatten(
  obj: any,
  parentKey: string = '',
  separator: string = '.'
): Record<string, any> {
  return Object.entries(obj).reduce((acc, [key, value]) => {
    const newKey = parentKey ? `${parentKey}${separator}${key}` : key;

    if (_.isObject(value) && !Array.isArray(value)) {
      Object.assign(acc, flatten(value, newKey, separator));
    } else {
      acc[newKey] = value;
    }

    return acc;
  }, {} as Record<string, any>);
}