feat(map): add province city district vehicle drilldown

tests/test_app.mjs

@@ -20,22 +20,46 @@ const areaNode = {
     ];
   }
 };
-vehicleProvinceSummary = aggregateVehicleProvinces(areaNode);
-const summary = buildVehicleProvinceNodes();
-assert.equal(summary.nodes.length, 2);
-assert.equal(summary.unassigned, 2);
-const guangdong = summary.nodes.find(node => node.nameZh === '广东');
+const partition = partitionVehiclesByArea(areaNode, locatedVehicles(), 'province');
+assert.equal(partition.groups.length, 2);
+assert.equal(partition.unmatched.length, 0);
+const provinceNodes = regionNodesFromGroups(partition.groups, 'province');
+assert.equal(provinceNodes.length, 2);
+const guangdong = provinceNodes.find(node => node.nameZh === '广东');
 assert.equal(guangdong.count, 1);
 assert.equal(guangdong.online, 1);
 assert.equal(guangdong.dist, 10);
 
+assert.equal(hierarchyLevelForZoom(4.8), 'province');
+assert.equal(hierarchyLevelForZoom(7), 'city');
+assert.equal(hierarchyLevelForZoom(9.5), 'district');
+assert.equal(hierarchyLevelForZoom(12), 'vehicle');
+
+vehicleRegionSummary = { level: 'province', nodes: provinceNodes, unassigned: 2, loading: false };
 map = { getZoom: () => 4.8 };
 assert.equal(vehicleNodes().length, 2);
 assert.ok(vehicleNodes().every(node => node.kind === 'vehicleProvince'));
 
-map = { getZoom: () => 8 };
-assert.ok(vehicleNodes().every(node => node.kind === 'vehicleCluster'));
-assert.equal(vehicleNodes().reduce((sum, node) => sum + node.count, 0), 2);
+const cityPartition = partitionVehiclesByArea({
+  groupByPosition(points) {
+    return [{ subFeatureIndex: 0, subFeature: { properties: { adcode: '440100', name: '广州市', center: [113.3, 23.1] } }, points }];
+  }
+}, [dashboard.vehicles[0]], 'city');
+const cityNodes = regionNodesFromGroups(cityPartition.groups, 'city');
+assert.equal(cityNodes[0].kind, 'vehicleCity');
+assert.equal(cityNodes[0].nameZh, '广州');
+
+map = {
+  getZoom: () => 12,
+  getBounds: () => ({
+    getSouthWest: () => ({ getLng: () => 100, getLat: () => 20 }),
+    getNorthEast: () => ({ getLng: () => 125, getLat: () => 35 })
+  })
+};
+const points = vehiclePointNodes();
+assert.equal(points.length, 2);
+assert.ok(points.every(node => node.kind === 'vehiclePoint'));
+assert.equal(points.find(node => node.nameZh === '粤A00001').online, 1);
 `;
 
 const sandbox = {
@@ -47,4 +71,4 @@ const sandbox = {
   clearInterval() {}
 };
 vm.runInNewContext(`${source}\n${checks}`, sandbox, { filename: 'app.js' });
-console.log('vehicle province aggregation tests: ok');
+console.log('vehicle hierarchy aggregation tests: ok');