Make catalog feed configuration optional and explicit

src/standalone/application.js

@@ -17,6 +17,8 @@ export function createStandaloneApplication({
   cesiumToken,
   geospatial = {},
   voice = {},
+  sources = {},
+  streetLevelProviders,
   allowQaRegistration = false,
 }) {
   if (constructed)
@@ -47,6 +49,8 @@ export function createStandaloneApplication({
         loaderStatus,
       });
       catalog = createStandaloneCatalog({
+        sources,
+        streetLevelProviders,
         nepalBoundaryResolver: (signal) =>
           scene.operations.annotationResolver.resolveRegionRingForQuery(
             'Nepal',

src/standalone/catalog.js

@@ -7,6 +7,8 @@ export { createStandaloneReferenceSources } from './layerSources.js';
 /** Create fresh layer instances using the existing standalone source choices. */
 export function createStandaloneCatalog({
   nepalBoundaryResolver,
+  sources = {},
+  streetLevelProviders,
   signal = new AbortController().signal,
   surface = createSurfaceServices({
     terrainSource: createApplicationRequestServices().terrain,
@@ -16,7 +18,8 @@ export function createStandaloneCatalog({
   return createApplicationCatalog({
     nepalBoundaryResolver,
     surface,
-    sources: createStandaloneLayerSources(),
+    sources: createStandaloneLayerSources(sources),
+    streetLevelProviders,
     signal,
     vesselOptions: {
       maxRows: import.meta.env?.VITE_AIS_LIVE_MAX_ROWS,

src/standalone/layerSources.js

@@ -22,9 +22,11 @@ import { createReferenceSources } from '../sources/reference.js';
 export { createReferenceSources as createStandaloneReferenceSources } from '../sources/reference.js';
 
 /** Select standalone providers without starting their acquisition. */
-export function createStandaloneLayerSources() {
+export function createStandaloneLayerSources(overrides = {}) {
+  if (!overrides || typeof overrides !== 'object' || Array.isArray(overrides))
+    throw new TypeError('Source overrides must be an object');
   const mapTiles = createOpenFreeMapSource();
-  return {
+  const defaults = {
     ...createReferenceSources(),
     flights: createFlightSource(),
     military: createMilitarySource(),
@@ -51,4 +53,9 @@ export function createStandaloneLayerSources() {
       token: import.meta.env?.MAPILLARY_CLIENT_TOKEN || '',
     }),
   };
+  for (const name of Object.keys(overrides)) {
+    if (!Object.hasOwn(defaults, name))
+      throw new TypeError(`Unknown source: ${name}`);
+  }
+  return { ...defaults, ...overrides };
 }