Calculates the geodesic area in square meters of one or more polygons.
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geojson
GeoJSON input polygon(s) as Geometry, Feature, or FeatureCollection
var polygon = turf.polygon([[[125, -15], [113, -22], [154, -27], [144, -15], [125, -15]]]);
var area = turf.area(polygon);
//addToMap
var addToMap = [polygon]
polygon.properties.area = area
Returns number area in square meters
This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.
Install this single module individually:
$ npm install @turf/area
Or install the all-encompassing @turf/turf module that includes all modules as functions:
$ npm install @turf/turf