Use static-module to extract css

[ajoslin]

As discussed in #3.

You'll notice I didn't use a normal bundle.transform here.

I did that because we need to guarantee that extract-css runs last, after all css and javascript has been compiled. Transforms added through plugins are actually run first.

[codecov-io]

Current coverage is 100.00%

Merging #4 into master will not affect coverage as of a5f5c88

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  Stmts           39      30     -9
  Branches         0       0       
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- Hit             39      30     -9
  Partial          0       0       
  Missed           0       0       

Review entire Coverage Diff as of a5f5c88

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[ahdinosaur]

looks good to me. 👍

[hughsk]

Perhaps I'm missing the context, but we should probably discuss this change and its implications in a separate issue if we haven't already :)

[yoshuawuyts]

👍 I'm cool with discussing in a separate PR if that means we can land the rest of the patch right now

[hughsk]

🎉 thanks @ajoslin! I'll be pushing some style tweaks (to avoid the use of .bind(), and to use .pipe() rather than writing to streams directly) then will publish :)

[ajoslin]

Perfect, good changes, thank you. I'll open an issue/PR soon about the debug vs label stage in the pipeline.