basant307/AI_Governance_Project

1var castPath = require('./_castPath'),2    isArguments = require('./isArguments'),3    isArray = require('./isArray'),4    isIndex = require('./_isIndex'),5    isLength = require('./isLength'),6    toKey = require('./_toKey');7 8/**9 * Checks if `path` exists on `object`.10 *11 * @private12 * @param {Object} object The object to query.13 * @param {Array|string} path The path to check.14 * @param {Function} hasFunc The function to check properties.15 * @returns {boolean} Returns `true` if `path` exists, else `false`.16 */17function hasPath(object, path, hasFunc) {18  path = castPath(path, object);19 20  var index = -1,21      length = path.length,22      result = false;23 24  while (++index < length) {25    var key = toKey(path[index]);26    if (!(result = object != null && hasFunc(object, key))) {27      break;28    }29    object = object[key];30  }31  if (result || ++index != length) {32    return result;33  }34  length = object == null ? 0 : object.length;35  return !!length && isLength(length) && isIndex(key, length) &&36    (isArray(object) || isArguments(object));37}38 39module.exports = hasPath;40