@turf/intersect - npm Package Compare versions

Comparing version 5.1.6 to 6.0.1

index.js

@@ -1,8 +0,6 @@
-// depend on jsts for now http://bjornharrtell.github.io/jsts/
-import { GeoJSONReader, GeoJSONWriter, OverlayOp } from 'turf-jsts';
-import truncate from '@turf/truncate';
-import { getGeom } from '@turf/invariant';
-import { feature } from '@turf/helpers';
-import cleanCoords from '@turf/clean-coords';
-
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var martinez = require("martinez-polygon-clipping");
+var invariant_1 = require("@turf/invariant");
+var helpers_1 = require("@turf/helpers");
 /**
@@ -14,2 +12,4 @@ * Takes two {@link Polygon|polygons} and finds their intersection. If they share a border, returns the border; if they don't intersect, returns undefined.
  * @param {Feature<Polygon>} poly2 the second polygon
+ * @param {Object} [options={}] Optional Parameters
+ * @param {Object} [options.properties={}] Translate GeoJSON Properties to Feature
  * @returns {Feature|null} returns a feature representing the point(s) they share (in case of a {@link Point}  or {@link MultiPoint}), the borders they share (in case of a {@link LineString} or a {@link MultiLineString}), the area they share (in case of {@link Polygon} or {@link MultiPolygon}). If they do not share any point, returns `null`.
@@ -41,26 +41,22 @@ * @example
  */
-function intersect(poly1, poly2) {
-    var geom1 = getGeom(poly1);
-    var geom2 = getGeom(poly2);
-
-    // Return null if geometry is too narrow in coordinate precision
-    // fixes topology errors with JSTS
-    // https://github.com/Turfjs/turf/issues/463
-    // https://github.com/Turfjs/turf/pull/1004
-    if (cleanCoords(truncate(geom2, {precision: 4})).coordinates[0].length < 4) return null;
-    if (cleanCoords(truncate(geom1, {precision: 4})).coordinates[0].length < 4) return null;
-
-    var reader = new GeoJSONReader();
-    var a = reader.read(truncate(geom1));
-    var b = reader.read(truncate(geom2));
-    var intersection = OverlayOp.intersection(a, b);
-
-    // https://github.com/Turfjs/turf/issues/951
-    if (intersection.isEmpty()) return null;
-
-    var writer = new GeoJSONWriter();
-    var geom = writer.write(intersection);
-    return feature(geom);
+function intersect(poly1, poly2, options) {
+    if (options === void 0) { options = {}; }
+    var geom1 = invariant_1.getGeom(poly1);
+    var geom2 = invariant_1.getGeom(poly2);
+    if (geom1.type !== 'Polygon')
+        throw new Error('poly1 must be a Polygon');
+    if (geom2.type !== 'Polygon')
+        throw new Error('poly2 must be a Polygon');
+    var intersection = martinez.intersection(geom1.coordinates, geom2.coordinates);
+    if (intersection === null || intersection.length === 0)
+        return null;
+    if (intersection.length === 1) {
+        var start = intersection[0][0][0];
+        var end = intersection[0][0][intersection[0][0].length - 1];
+        if (start[0] === end[0] && start[1] === end[1])
+            return helpers_1.polygon(intersection[0], options.properties);
+        return null;
+    }
+    return helpers_1.multiPolygon(intersection, options.properties);
 }
-
-export default intersect;
+exports.default = intersect;

package.json

 {
   "name": "@turf/intersect",
-  "version": "5.1.6",
+  "version": "6.0.1",
   "description": "turf intersect module",
-  "main": "main.js",
-  "module": "main.es.js",
-  "types": "index.d.ts",
+  "main": "index",
   "files": [
     "index.js",
-    "index.d.ts",
-    "main.js",
-    "main.es.js"
+    "index.ts"
   ],
   "scripts": {
-    "pretest": "rollup -c ../../rollup.config.js",
-    "test": "node -r @std/esm test.js",
-    "posttest": "node -r @std/esm ../../scripts/validate-es5-dependencies.js",
-    "bench": "node -r @std/esm bench.js",
+    "prepare": "tsc",
+    "pretest": "tsc",
+    "test": "node test.js",
+    "bench": "node bench.js",
     "docs": "node ../../scripts/generate-readmes"
@@ -37,4 +33,4 @@ },
   "devDependencies": {
-    "@std/esm": "*",
     "benchmark": "*",
+    "glob": "*",
     "load-json-file": "*",
@@ -46,12 +42,6 @@ "rollup": "*",
   "dependencies": {
-    "@turf/clean-coords": "^5.1.5",
-    "@turf/helpers": "^5.1.5",
-    "@turf/invariant": "^5.1.5",
-    "@turf/truncate": "^5.1.5",
-    "turf-jsts": "*"
-  },
-  "@std/esm": {
-    "esm": "js",
-    "cjs": true
+    "@turf/helpers": "6.x",
+    "@turf/invariant": "6.x",
+    "martinez-polygon-clipping": "*"
   }
 }

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Improved metrics

Dependency count

3

decreased by-40%

Worsened metrics

Total package byte prevSize

9608

decreased by-23.94%

Number of package files

5

decreased by-28.57%

Lines of code

121

decreased by-35.64%

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• + Addedmartinez-polygon-clipping@*

• + Added@turf/helpers@6.5.0(transitive)

• + Added@turf/invariant@6.5.0(transitive)

• + Addedmartinez-polygon-clipping@0.7.4(transitive)

• + Addedrobust-predicates@2.0.4(transitive)

• + Addedsplaytree@0.1.4(transitive)

• + Addedtinyqueue@1.2.3(transitive)

• - Removed@turf/clean-coords@^5.1.5

• - Removed@turf/truncate@^5.1.5

• - Removedturf-jsts@*

• - Removed@turf/clean-coords@5.1.5(transitive)

• - Removed@turf/helpers@5.1.5(transitive)

• - Removed@turf/invariant@5.2.0(transitive)

• - Removed@turf/meta@5.2.0(transitive)

• - Removed@turf/truncate@5.1.5(transitive)

• - Removedturf-jsts@1.2.3(transitive)

• Updated@turf/helpers@6.x

• Updated@turf/invariant@6.x