JAVASCRIPT

convert snake case to camelcase javascript recursive

const obj = {
  vt_core_random: {
    user_details: {
      first_name: "xyz",
      last_name: "abc",
      groups: [
        {
          id: 1,
          group_type: "EXT"
        },
        {
          id: 2,
          group_type: "INT"
        }
      ],
      address_type: {
        city_name: "nashik",
        state: {
          code_name: "MH",
          name: "Maharashtra"
        }
      }
    }
  }
};

const toCamel = (str) => {
  return str.replace(/([-_][a-z])/ig, ($1) => {
    return $1.toUpperCase()
      .replace('-', '')
      .replace('_', '');
  });
};

const isObject = function (obj) {
  return obj === Object(obj) && !Array.isArray(obj) && typeof obj !== 'function';
};

const keysToCamel = function (obj) {
  if (isObject(obj)) {
    const n = {};

    Object.keys(obj)
      .forEach((k) => {
        n[toCamel(k)] = keysToCamel(obj[k]);
      });

    return n;
  } else if (Array.isArray(obj)) {
    return obj.map((i) => {
      return keysToCamel(i);
    });
  }
  
  return obj;
};

console.log(keysToCamel(obj));
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