### Context

* **mapbox-gl-js version**: 

### Report

**Expected behavior**:

**Actual behavior**:

**Steps to reproduce the behavior**:

1. ...
2. ...
3. ...

### Optional

_Including a link to **executable code** that demonstrates your issue is the fastest
way to get an answer with less back-and-forth. We recommend [JSFiddle](https://jsfiddle.net/)
for putting short examples online._

* **link to example**:
