refactor(app): share application components and request services

src/app/data.js

@@ -0,0 +1,82 @@
+import { DataLayerManager } from '../data/manager.js';
+import flightsLayer from '../data/flights.js';
+import militaryFlightsLayer from '../data/militaryFlights.js';
+import alprCamerasLayer from '../data/alprCameras.js';
+import earthquakesLayer from '../data/earthquakes.js';
+import satellitesLayer from '../data/satellites.js';
+import rocketLaunchesLayer from '../data/rocketLaunches.js';
+import trafficLayer from '../data/traffic.js';
+import cctvLayer from '../data/cctv.js';
+import radioLayer from '../data/radio.js';
+import bikeshareLayer from '../data/bikeshare.js';
+import aisLiveVesselsLayer from '../data/aisLiveVessels.js';
+import militaryInstallationsLayer from '../data/militaryInstallations.js';
+import militaryAwarenessLayer from '../data/militaryAwareness.js';
+import localDataLayers from '../data/localLayers.js';
+import { LAYER_STATE_REGISTRY } from '../data/layerState.js';
+
+/** Register the application layer catalog before allowing state restoration. */
+export function createApplicationData({
+  scene: { viewer },
+  controls: { styleManager },
+  allowQaRegistration,
+  onData,
+  defer,
+}) {
+  // Initialize data layer manager
+  const dataManager = new DataLayerManager(viewer, {
+    allowQaRegistration,
+  });
+  defer(async () => {
+    await dataManager.destroyAll();
+    if (dataManager.layers.size)
+      throw new Error(
+        `Data layers could not be destroyed: ${[...dataManager.layers.keys()].join(', ')}`,
+      );
+  });
+  onData?.(dataManager);
+  dataManager.register(flightsLayer);
+  dataManager.register(militaryFlightsLayer);
+  dataManager.register(earthquakesLayer);
+  dataManager.register(alprCamerasLayer);
+  dataManager.register(satellitesLayer);
+  dataManager.register(rocketLaunchesLayer);
+  rocketLaunchesLayer.attachDataManager(dataManager);
+  dataManager.register(trafficLayer);
+  dataManager.register(cctvLayer);
+  dataManager.register(radioLayer);
+  dataManager.register(bikeshareLayer);
+  dataManager.register(aisLiveVesselsLayer);
+  dataManager.register(militaryInstallationsLayer);
+  dataManager.register(militaryAwarenessLayer);
+  militaryAwarenessLayer.attachDataManager(dataManager);
+  for (const layer of localDataLayers) {
+    dataManager.register(layer);
+  }
+  // Restoration starts only after the complete production registry is sealed.
+  dataManager.finalizeRegistrations(LAYER_STATE_REGISTRY);
+  if (allowQaRegistration) {
+    window.__gevQaRegisterLayer = (targetManager, layerModule) => {
+      if (targetManager !== dataManager)
+        throw new Error('QA layer manager mismatch');
+      return dataManager.registerForQa(layerModule);
+    };
+    window.__gevQaUnregisterLayer = (targetManager, layerId) => {
+      if (targetManager !== dataManager)
+        throw new Error('QA layer manager mismatch');
+      return dataManager.unregisterForQa(layerId);
+    };
+    const register = window.__gevQaRegisterLayer;
+    const unregister = window.__gevQaUnregisterLayer;
+    defer(() => {
+      if (window.__gevQaRegisterLayer === register)
+        delete window.__gevQaRegisterLayer;
+      if (window.__gevQaUnregisterLayer === unregister)
+        delete window.__gevQaUnregisterLayer;
+    });
+  }
+  dataManager.buildTogglePanel(document.getElementById('data-toggles'));
+  styleManager.attachDataManager(dataManager);
+
+  return { dataManager };
+}