11 lines
247 B
JavaScript
11 lines
247 B
JavaScript
|
|
module.exports = function(obj, keys){
|
|
obj = obj || {};
|
|
if ('string' == typeof keys) keys = keys.split(/ +/);
|
|
return keys.reduce(function(ret, key){
|
|
if (null == obj[key]) return ret;
|
|
ret[key] = obj[key];
|
|
return ret;
|
|
}, {});
|
|
};
|