36 lines
1007 B
JavaScript
Executable File
36 lines
1007 B
JavaScript
Executable File
import { coordEach } from "@turf/meta";
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/**
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* Takes a set of features, calculates the bbox of all input features, and returns a bounding box.
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*
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* @name bbox
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* @param {GeoJSON} geojson any GeoJSON object
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* @returns {BBox} bbox extent in [minX, minY, maxX, maxY] order
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* @example
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* var line = turf.lineString([[-74, 40], [-78, 42], [-82, 35]]);
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* var bbox = turf.bbox(line);
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* var bboxPolygon = turf.bboxPolygon(bbox);
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*
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* //addToMap
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* var addToMap = [line, bboxPolygon]
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*/
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function bbox(geojson) {
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var result = [Infinity, Infinity, -Infinity, -Infinity];
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coordEach(geojson, function (coord) {
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if (result[0] > coord[0]) {
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result[0] = coord[0];
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}
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if (result[1] > coord[1]) {
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result[1] = coord[1];
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}
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if (result[2] < coord[0]) {
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result[2] = coord[0];
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}
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if (result[3] < coord[1]) {
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result[3] = coord[1];
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}
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});
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return result;
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}
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bbox["default"] = bbox;
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export default bbox;
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