def difference(feature_1: Feature, feature_2: Feature) -> Feature:
"""
Find the difference between given two features.
:param feature_1: A GeoJSON feature
:param feature_2: A GeoJSON feature
:return: A GeoJSON feature
Example:
>>> from geojson import Polygon, Feature
>>> from turfpy.transformation import difference
>>> f1 = Feature(geometry=Polygon([[
>>> [128, -26],
>>> [141, -26],
>>> [141, -21],
>>> [128, -21],
>>> [128, -26]]]), properties={"combine": "yes", "fill": "#00f"})
>>> f2 = Feature(geometry=Polygon([[
>>> [126, -28],
>>> [140, -28],
>>> [140, -20],
>>> [126, -20],
>>> [126, -28]]]), properties={"combine": "yes"})
>>> difference(f1, f2)
"""
properties_list = []
if "properties" in feature_1.keys():
properties_list.append(feature_1["properties"])
if "properties" in feature_2.keys():
properties_list.append(feature_2["properties"])
shape_1 = shape(get_geom(feature_1))
shape_2 = shape(get_geom(feature_2))
difference_result = shape_1.difference(shape_2)
difference_result = mapping(difference_result)
if len(difference_result["coordinates"]) == 0:
return None
properties = merge_dict(properties_list)
difference_feature = Feature(geometry=difference_result,
properties=properties)
return difference_feature
