first commit

packages/uploader/src/client.ts

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+/**
+ * Process-wide store registry, configured once at server startup from the
+ * `storage` block in `wrnexus.config.ts` (mirrors `@wrnexus/db`'s registry).
+ * Handlers then call `getStore("<name>")` — or omit the name for the default.
+ */
+
+import type { StorageConfig, StorageDriver, StoreAccess, StoreConfig } from "./driver.ts";
+import { localDriver } from "./adapters/local.ts";
+import { s3Driver } from "./adapters/s3.ts";
+
+export interface Store {
+  name: string;
+  access: StoreAccess;
+  driver: StorageDriver;
+  config: StoreConfig;
+}
+
+const stores = new Map<string, Store>();
+let defaultName: string | undefined;
+
+/** Build a driver per configured store. Safe to call again (fully replaces). */
+export function configureStorage(config: StorageConfig | undefined, appRoot: string): void {
+  stores.clear();
+  defaultName = undefined;
+  if (!config?.stores) return;
+  for (const [name, cfg] of Object.entries(config.stores)) {
+    const driver = cfg.driver === "s3" ? s3Driver(cfg) : localDriver(cfg, appRoot);
+    stores.set(name, { name, access: cfg.access, driver, config: cfg });
+  }
+  defaultName = config.default ?? Object.keys(config.stores)[0];
+}
+
+/** Whether the default (or a named) store is configured. */
+export function hasStorage(name?: string): boolean {
+  const n = name ?? defaultName;
+  return !!n && stores.has(n);
+}
+
+/** The default store, or a named one. Throws if it isn't configured. */
+export function getStore(name?: string): Store {
+  const n = name ?? defaultName;
+  const store = n ? stores.get(n) : undefined;
+  if (!store) {
+    throw new Error(
+      n
+        ? `No storage store '${n}'. Add it under storage.stores in wrnexus.config.ts.`
+        : "No storage configured. Add a `storage` block to wrnexus.config.ts.",
+    );
+  }
+  return store;
+}
+
+/** Names of all configured stores. */
+export function storeNames(): string[] {
+  return [...stores.keys()];
+}