Icard/angular-clarity-master(work.../node_modules/lodash-es/_hasPath.js

40 lines
1.1 KiB
JavaScript

import castPath from './_castPath.js';
import isArguments from './isArguments.js';
import isArray from './isArray.js';
import isIndex from './_isIndex.js';
import isLength from './isLength.js';
import toKey from './_toKey.js';
/**
* 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));
}
export default hasPath;