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Direktori : /proc/self/root/var/www/html/node_modules/lodash/ |
Current File : //proc/self/root/var/www/html/node_modules/lodash/_hasPath.js |
var castPath = require('./_castPath'), isArguments = require('./isArguments'), isArray = require('./isArray'), isIndex = require('./_isIndex'), isLength = require('./isLength'), toKey = require('./_toKey'); /** * 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 = castPath(path, object); var index = -1, length = path.length, result = false; while (++index < length) { var key = toKey(path[index]); if (!(result = object != null && hasFunc(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) && (isArray(object) || isArguments(object)); } module.exports = hasPath;