Please provide the following when reporting an issue:

- [ ] Description of the problem, and how it differs from what you expected.
- [ ] Version of Turf you are using, and of any other relevant software.
- [ ] GeoJSON data as a [gist file](https://gist.github.com/) or [geojson.io](https://geojson.io/) (filename extension must be `.geojson`). Simple reproducible examples are preferrable.
- [ ] Snippet of source code for complex examples using [jsfiddle](https://jsfiddle.net/).
- [ ] Confirmation this issue hasn't already been reported, or is resolved and just hasn't been released yet.

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