Convert a contract HonuaFeature (Esri attributes + geometry) into a
GeoJSON Feature.
The feature id is derived from common Esri identifier attributes
(OBJECTID, objectid, id, ID, FID) when present, and the geometry is
converted with esriGeometryToGeoJSON (yielding null for missing or
empty geometry).
Convert a contract HonuaFeature (Esri attributes + geometry) into a GeoJSON
Feature.The feature
idis derived from common Esri identifier attributes (OBJECTID,objectid,id,ID,FID) when present, and the geometry is converted with esriGeometryToGeoJSON (yieldingnullfor missing or empty geometry).