Module import/export bindings

Glen Huang curvedmark at gmail.com
Mon Mar 16 02:57:54 UTC 2015


My guess is that it’s for importing modules that expose objects via the global object (e.g., window).

However I do have a question: is it possible for a module to access the global object without relying on the host environment?

One use case is to polyfill the language's standard library. es6-shim uses a pretty ugly hack (https://github.com/paulmillr/es6-shim/blob/e17ca7ad73528261a3fc4af2ad71ebc3c8f84c0e/es6-shim.js#L76 <https://github.com/paulmillr/es6-shim/blob/e17ca7ad73528261a3fc4af2ad71ebc3c8f84c0e/es6-shim.js#L76>).

I wonder what’s the most elegant way to do that?

> On Mar 16, 2015, at 3:59 AM, Kyle Simpson <getify at gmail.com> wrote:
> 
> Thanks, all answers super helpful!
> 
> One last clarification:
> 
> ```js
> import "foo";
> ```
> 
> This doesn't do any binding does it? AFAICT, it just downloads and runs the module (if it hasn't already)?
> 
> If that's true, what's the use-case here besides "preloading" a module performance wise?
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