### Describe the bug There is a regression in v3.0.17. When using Esri Leaflet on that version, the non-mercator projection samples ([1](https://developers.arcgis.com/esri-leaflet/samples/non-mercator-projection/), [2](https://developers.arcgis.com/esri-leaflet/samples/non-mercator-projection-2/), [3](https://developers.arcgis.com/esri-leaflet/samples/non-mercator-projection-3/)) do not work. ### Reproduction JSBin Demo: https://jsbin.com/wepigubeqi/1/edit?html,output ### System Info ```shell Esri Leaflet: v3.0.17 ``` ### Additional Information Since this is a regression in v3.0.17, this PR is what is causing the issue: https://github.com/Esri/esri-leaflet/pull/1400