import GeojsonEquality from "geojson-equality"; import cleanCoords from "@turf/clean-coords"; import { getGeom } from "@turf/invariant"; /** * Determine whether two geometries of the same type have identical X,Y coordinate values. * See http://edndoc.esri.com/arcsde/9.0/general_topics/understand_spatial_relations.htm * * @name booleanEqual * @param {Geometry|Feature} feature1 GeoJSON input * @param {Geometry|Feature} feature2 GeoJSON input * @returns {boolean} true if the objects are equal, false otherwise * @example * var pt1 = turf.point([0, 0]); * var pt2 = turf.point([0, 0]); * var pt3 = turf.point([1, 1]); * * turf.booleanEqual(pt1, pt2); * //= true * turf.booleanEqual(pt2, pt3); * //= false */ function booleanEqual(feature1, feature2) { var type1 = getGeom(feature1).type; var type2 = getGeom(feature2).type; if (type1 !== type2) return false; var equality = new GeojsonEquality({ precision: 6 }); return equality.compare(cleanCoords(feature1), cleanCoords(feature2)); } export default booleanEqual;