function separateGeometry()

in modules/layers/src/geojson-layer/geojson.js [89:201]
105 lines of code
8 McCabe index (conditional complexity)

function separateGeometry(geometry, separated, wrapFeature, sourceFeature, sourceFeatureIndex) {
  const {type, coordinates} = geometry;
  const {pointFeatures, lineFeatures, polygonFeatures, polygonOutlineFeatures} = separated;

  if (!validateGeometry(type, coordinates)) {
    // Avoid hard failure if some features are malformed
    log.warn(`${type} coordinates are malformed`)();
    return;
  }

  // Split each feature, but keep track of the source feature and index (for Multi* geometries)
  switch (type) {
    case 'Point':
      pointFeatures.push(
        wrapFeature(
          {
            geometry
          },
          sourceFeature,
          sourceFeatureIndex
        )
      );
      break;
    case 'MultiPoint':
      coordinates.forEach(point => {
        pointFeatures.push(
          wrapFeature(
            {
              geometry: {type: 'Point', coordinates: point}
            },
            sourceFeature,
            sourceFeatureIndex
          )
        );
      });
      break;
    case 'LineString':
      lineFeatures.push(
        wrapFeature(
          {
            geometry
          },
          sourceFeature,
          sourceFeatureIndex
        )
      );
      break;
    case 'MultiLineString':
      // Break multilinestrings into multiple lines
      coordinates.forEach(path => {
        lineFeatures.push(
          wrapFeature(
            {
              geometry: {type: 'LineString', coordinates: path}
            },
            sourceFeature,
            sourceFeatureIndex
          )
        );
      });
      break;
    case 'Polygon':
      polygonFeatures.push(
        wrapFeature(
          {
            geometry
          },
          sourceFeature,
          sourceFeatureIndex
        )
      );
      // Break polygon into multiple lines
      coordinates.forEach(path => {
        polygonOutlineFeatures.push(
          wrapFeature(
            {
              geometry: {type: 'LineString', coordinates: path}
            },
            sourceFeature,
            sourceFeatureIndex
          )
        );
      });
      break;
    case 'MultiPolygon':
      // Break multipolygons into multiple polygons
      coordinates.forEach(polygon => {
        polygonFeatures.push(
          wrapFeature(
            {
              geometry: {type: 'Polygon', coordinates: polygon}
            },
            sourceFeature,
            sourceFeatureIndex
          )
        );
        // Break polygon into multiple lines
        polygon.forEach(path => {
          polygonOutlineFeatures.push(
            wrapFeature(
              {
                geometry: {type: 'LineString', coordinates: path}
              },
              sourceFeature,
              sourceFeatureIndex
            )
          );
        });
      });
      break;
    default:
  }
}