@onesy/utils/esm/flattenObject.js

Utils

import is from './is';

const flatten = function (object, output_) {
  let keys_ = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
  let key_ = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '';
  let value_ = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : undefined;
  let includeObjects = arguments.length > 5 ? arguments[5] : undefined;
  if (!object) return object;
  const output = output_ || {};
  const value = output_ === undefined ? object : value_;
  const keys = "".concat(keys_).concat(keys_ ? '.' : '').concat(key_).trim();

  if (value !== undefined) {
    if (includeObjects || is('not-array-object', value)) output[keys] = value;

    if (!is('not-array-object', value)) {
      if (is('array', value)) value.forEach((item, index) => flatten(object, output, keys, index, item, includeObjects));else Object.keys(value).forEach(key => flatten(object, output, keys, key, value[key], includeObjects));
    }
  }

  return output;
};

const flattenObject = (object, includeObjects) => {
  return flatten(object, undefined, undefined, undefined, undefined, includeObjects);
};

export default flattenObject;