import castPath from './.internal/castPath.js' import isArguments from './isArguments.js' import isIndex from './.internal/isIndex.js' import isLength from './isLength.js' import toKey from './.internal/toKey.js' /** Used to check objects for own properties. */ const hasOwnProperty = Object.prototype.hasOwnProperty /** * Checks if `path` is a direct property of `object`. * * @since 5.0.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @see has, hasIn, hasPathIn * @example * * const object = { 'a': { 'b': 2 } } * const other = create({ 'a': create({ 'b': 2 }) }) * * hasPath(object, 'a.b') * // => true * * hasPath(object, ['a', 'b']) * // => true */ function hasPath(object, path) { path = castPath(path, object) let index = -1 let { length } = path let result = false let key while (++index < length) { key = toKey(path[index]) if (!(result = object != null && hasOwnProperty.call(object, key))) { break } object = object[key] } if (result || ++index != length) { return result } length = object == null ? 0 : object.length return !!length && isLength(length) && isIndex(key, length) && (Array.isArray(object) || isArguments(object)) } export default hasPath