quadbin - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

package.json

 {
   "name": "quadbin",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "Utility functions for working with Quadbins",
@@ -43,3 +43,5 @@ "license": "MIT",
   },
-  "dependencies": {}
+  "dependencies": {
+    "@mapbox/tile-cover": "^3.0.2"
+  }
 }

README.md

@@ -75,1 +75,9 @@ # quadbin-js
 Converts quadbin cell into a xyz tile.
+
+## geometryToCells
+
+```javascript
+function geometryToCells(geometry: GeoJSONGeometry, resolution: bigint): bigint 
+```
+
+Returns a list of cells covering a GeoJSON geometry at a given resolution

src/index.ts

@@ -0,1 +1,3 @@
+import {tiles} from '@mapbox/tile-cover';
+
 const B = [
@@ -12,3 +14,3 @@ 0x5555555555555555n,
 type Quadbin = bigint;
-type Tile = {x: number, y: number, z: number};
+type Tile = {x: number; y: number; z: number};
 
@@ -83,1 +85,9 @@ export function hexToBigInt(hex: string): bigint {
 }
+
+export function geometryToCells(geometry, resolution: bigint): Quadbin[] {
+  const zoom = Number(resolution);
+  return tiles(geometry, {
+    min_zoom: zoom,
+    max_zoom: zoom
+  }).map(([x, y, z]) => tileToCell({x, y, z}));
+}

test/index.spec.js

 import test from 'tape';
-import {tileToCell, cellToTile, cellToParent, getResolution} from '../src/index'
+import {
+  tileToCell,
+  cellToTile,
+  cellToParent,
+  geometryToCells,
+  getResolution,
+  hexToBigInt
+} from '../src/index';
 import {tileToQuadkey} from './quadkey-utils';
@@ -41,1 +48,31 @@
 });
+
+// Zoom:26 test not agreeing with Python
+import PointGeometry from './data/PointGeometry.json';
+import MultiPointGeometry from './data/MultiPointGeometry.json';
+import LineStringGeometry from './data/LineStringGeometry.json';
+import MultiLineStringGeometry from './data/MultiLineStringGeometry.json';
+import PolygonGeometry from './data/PolygonGeometry.json';
+import MultiPolygonGeometry from './data/MultiPolygonGeometry.json';
+const testCases = [
+  PointGeometry,
+  MultiPointGeometry,
+  LineStringGeometry,
+  PolygonGeometry,
+  MultiPolygonGeometry
+];
+
+test('Quadbin geometryToCells', async t => {
+  for (const {name, geometry, expected} of testCases) {
+    for (const resolution of Object.keys(expected)) {
+      const expectedCells = expected[resolution].map(BigInt).sort();
+      const cells = geometryToCells(geometry, resolution).sort();
+      t.deepEquals(
+        cells,
+        expectedCells,
+        `Correct cells generated from ${name} geometry at resolution ${resolution}`
+      );
+    }
+  }
+  t.end();
+});

No alert changes

Improved metrics

Total package byte prevSize

20274

increased by36.17%

Number of package files

26

increased by36.84%

Lines of code

559

increased by46.34%

Number of lines in readme file

83

increased by10.67%

Worsened metrics

Dependency count

1

increased byInfinity%

Dependency changes

• + Added@mapbox/tile-cover@^3.0.2

• + Added@mapbox/tile-cover@3.0.2(transitive)

• + Added@mapbox/tilebelt@1.0.2(transitive)