Error when running through babel compiler about native-promise-only

[zloirock]

https://babeljs.io/docs/faq/#why-is-this-being-remapped-to-undefined-

@getify use correct way detection global object.

[getify]

1. Polyfills shouldn't be run through a transpiler. That doesn't make sense. In fact, you shouldn't run any third-party code through a transpiler, IMO. Exclude such file(s) from transpilation runs.
2. I disagree with babel that such assumptions about this are either spec compliant or appropriate for polyfills.

Sounds like you should either not run NPO through babel, or you should blacklist the strict transformer, as @zloirock suggests.

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use correct way detection global object.

I disagree that the much more convoluted code linked to is "correct". It may work, but it's far from what we ought to be doing. See points above.

[zloirock]

@getify see this table. It not contains this because of strict mode, but w/o strict mode in many case it shouldn't work too. It's simples correct for most case way, "convoluted", for example, in LoDash.

[alexreardon]

I agree with your first point @getify. I makes little sense to run a library through babel. I now exclude it. Thanks!

[getify]

Cheers!