This is the fastest implementation I tested. Pull requests welcome!
var pick = require('{%= name %}');
pick({a: 'a', b: 'b'}, 'a')
//=> {a: 'a'}
pick({a: 'a', b: 'b', c: 'c'}, ['a', 'b'])
//=> {a: 'a', b: 'b'}
This is the fastest implementation I tested. Pull requests welcome!
var pick = require('{%= name %}');
pick({a: 'a', b: 'b'}, 'a')
//=> {a: 'a'}
pick({a: 'a', b: 'b', c: 'c'}, ['a', 'b'])
//=> {a: 'a', b: 'b'}