refactor: return viewer manifest info during initialization for consuming app to use

Author: allison-truhlar

README.md

@@ -22,13 +22,14 @@ npm install @bioimagetools/capability-manifest
 
 ```typescript
 import {
-  initialize,
+  initializeViewerManifests,
   getCompatibleViewers,
-  type OmeZarrMetadata
+  type OmeZarrMetadata,
+  type ViewerManifest
 } from '@bioimagetools/capability-manifest';
 
-// Initialize once at application startup
-await initialize();
+// Initialize once at application startup - returns all viewer manifests
+const manifests = await initializeViewerManifests();
 
 // For each dataset, pass pre-parsed metadata
 const metadata: OmeZarrMetadata = {
@@ -48,11 +49,12 @@ const viewers = getCompatibleViewers(metadata);
 
 ### API
 
-#### `initialize(): Promise<void>`
+#### `initializeViewerManifests(): Promise<ViewerManifest[]>`
 
 Loads all viewer capability manifests. Must be called once at application startup before using other functions.
 
-Throws an error if no manifests can be loaded.
+- **Returns:** Array of all loaded viewer manifests, each containing viewer info (name, version, template_url) and capabilities
+- **Throws:** Error if no manifests can be loaded
 
 #### `getCompatibleViewers(metadata: OmeZarrMetadata): string[]`
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@bioimagetools/capability-manifest",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Library to determine OME-Zarr viewer compatibility based on capability manifests",
   "type": "module",
   "main": "./dist/index.js",

src/index.ts

@@ -24,16 +24,19 @@ let cachedManifests: ViewerManifest[] | null = null;
  * Initialize the library by loading all viewer manifests.
  * Must be called once at application startup before using getCompatibleViewers.
  *
+ * @returns Array of all loaded viewer manifests
  * @throws Error if manifest loading fails completely
  */
-export async function initializeViewerManifests(): Promise<void> {
+export async function initializeViewerManifests(): Promise<ViewerManifest[]> {
   cachedManifests = await loadViewerManifests();
 
   if (cachedManifests.length === 0) {
     throw new Error(
       '[capability-manifest] Failed to load any viewer manifests. Check network and manifest URLs.'
     );
   }
+
+  return cachedManifests;
 }
 
 /**