Julian Rosse b20e52da99 [CS2] use _extends utility instead of Object.assign() for object spreads (#4675) ...

* _extends utility instead of Object.assign()

* eqJS test for _extends

* Test that a user-defined function named `_extends` doesn’t conflict with our utility function

* IE8 polyfill note in docs

2017-09-01 07:09:16 -07:00

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coffeescript

[CS2] use _extends utility instead of Object.assign() for object spreads (#4675)

2017-09-01 07:09:16 -07:00