refactor: separate traffic and bikeshare components

src/layers/bikeshare/index.js

@@ -0,0 +1,50 @@
+import { createIngestion } from './ingestion.js';
+import { createModel } from './model.js';
+import { createViewport } from './viewport.js';
+import { createRendering } from './rendering.js';
+import { createSelection } from './selection.js';
+import { createQueries } from './queries.js';
+import { createTesting } from './testing.js';
+import { createControls } from './controls.js';
+import { createLifecycle } from './lifecycle.js';
+import { createState } from './state.js';
+
+/** Construct one layer with its own scene state and supplied application services. */
+export function createBikeshareLayer({ services, source }) {
+  if (typeof source?.getStations !== 'function')
+    throw new TypeError('A bikeshare source is required');
+  const state = createState({ services });
+  const parts = {};
+  const context = { state, services, parts, source };
+  parts.ingestion = createIngestion(context);
+  parts.model = createModel(context);
+  parts.viewport = createViewport(context);
+  parts.rendering = createRendering(context);
+  parts.selection = createSelection(context);
+  parts.queries = createQueries(context);
+  parts.testing = createTesting(context);
+  parts.controls = createControls(context);
+  parts.lifecycle = createLifecycle(context);
+  return Object.assign(
+    {},
+    parts.controls.methods,
+    parts.lifecycle.methods,
+    parts.ingestion?.methods,
+    {
+      createBikeshareSelectedOverlayEntry:
+        parts.selection.createBikeshareSelectedOverlayEntry,
+      _setBikeshareSelectionStateForTest:
+        parts.testing._setBikeshareSelectionStateForTest,
+      _selectBikeshareStationForTest:
+        parts.testing._selectBikeshareStationForTest,
+      _clearBikeshareSelectionForTest:
+        parts.testing._clearBikeshareSelectionForTest,
+    },
+  );
+}
+export {
+  BIKESHARE_SELECTED_OVERLAY_SOURCE_ID,
+  BIKESHARE_SELECTED_OVERLAY_SOURCE_OPTIONS,
+} from './policy.js';
+
+export { createBikeshareSource } from './source.js';