Sha256: 1fd75d39690b3d1b8562af1fc1312fd2cfd1673a62668e9797c0c1057b406432
Contents?: true
Size: 1.06 KB
Versions: 272
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Stored size: 1.06 KB
Contents
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;
Version data entries
272 entries across 271 versions & 29 rubygems