var baseCastPath = require('./_baseCastPath'), isArguments = require('./isArguments'), isArray = require('./isArray'), isIndex = require('./_isIndex'), isKey = require('./_isKey'), isLength = require('./isLength'), isString = require('./isString'); /** * Checks if `path` exists on `object`. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @param {Function} hasFunc The function to check properties. * @returns {boolean} Returns `true` if `path` exists, else `false`. */ function hasPath(object, path, hasFunc) { path = isKey(path, object) ? [path] : baseCastPath(path); var result, index = -1, length = path.length; while (++index < length) { var key = path[index]; if (!(result = object != null && hasFunc(object, key))) { break; } object = object[key]; } if (result) { return result; } var length = object ? object.length : 0; return !!length && isLength(length) && isIndex(key, length) && (isArray(object) || isString(object) || isArguments(object)); } module.exports = hasPath;