> It can be easier to maintain a small amount of code that you duplicate and check in > compared to a general library imported for one routine that you have to

> It can be easier to maintain a small amount of code that you duplicate and check in > compared to a general library imported for one routine that you have to think about IMHO, that's why small, one-utility-function libraries in the JS ecosystem([0], [1], [2]) are useful. (Unlike the general tone in HN where npm and left-pad gets a lot of hate.) Look at Quickutil[3] for examples of other languages. (In this case, Common Lisp.) [0] https://github.com/sindresorhus/mem/blob/master/index.js#L7 https://github.com/sindresorhus/mem/blob/master/index.js#L7 [1] https://github.com/sindresorhus/tempy/blob/master/index.js#L9 https://github.com/sindresorhus/tempy/blob/master/index.js#L... [2] https://github.com/zeit/ms/blob/master/index.js#L48 https://github.com/zeit/ms/blob/master/index.js#L48 [3] http://quickutil.org http://quickutil.org