index.cjs 1.1 KB

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  1. "use strict";Object.defineProperty(exports, "__esModule", {value: true});// index.ts
  2. var _meta = require('@turf/meta');
  3. var _helpers = require('@turf/helpers');
  4. function centerMean(geojson, options = {}) {
  5. let sumXs = 0;
  6. let sumYs = 0;
  7. let sumNs = 0;
  8. _meta.geomEach.call(void 0, geojson, function(geom, featureIndex, properties) {
  9. let weight = options.weight ? properties == null ? void 0 : properties[options.weight] : void 0;
  10. weight = weight === void 0 || weight === null ? 1 : weight;
  11. if (!_helpers.isNumber.call(void 0, weight))
  12. throw new Error(
  13. "weight value must be a number for feature index " + featureIndex
  14. );
  15. weight = Number(weight);
  16. if (weight > 0) {
  17. _meta.coordEach.call(void 0, geom, function(coord) {
  18. sumXs += coord[0] * weight;
  19. sumYs += coord[1] * weight;
  20. sumNs += weight;
  21. });
  22. }
  23. });
  24. return _helpers.point.call(void 0, [sumXs / sumNs, sumYs / sumNs], options.properties, options);
  25. }
  26. var turf_center_mean_default = centerMean;
  27. exports.centerMean = centerMean; exports.default = turf_center_mean_default;
  28. //# sourceMappingURL=index.cjs.map