Henry Zhu 8f848b4b32 add individual polyfill files (#5584)
* add individual polyfill files

* rename files

* use preset-env for the script [skip ci]
2017-04-05 10:11:58 -04:00
..
2017-03-25 21:46:16 -04:00
2017-03-25 21:46:16 -04:00