dotfiles/.vscode/extensions/vscodevim.vim-0.1.10/node_modules/lodash/_hasPath.js
Cyryl Płotnicki 2f946d6200 Add .vscode
2016-09-11 10:29:13 +02:00

40 lines
1.1 KiB
JavaScript

var castPath = require('./_castPath'),
isArguments = require('./isArguments'),
isArray = require('./isArray'),
isIndex = require('./_isIndex'),
isKey = require('./_isKey'),
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 = isKey(path, object) ? [path] : castPath(path);
var result,
index = -1,
length = path.length;
while (++index < length) {
var key = toKey(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) || isArguments(object));
}
module.exports = hasPath;