Initial Commit

packages/persistence/storage/storage-uri-plugin-fallback/tests/setup/build-resolver.ts

@@ -0,0 +1,35 @@
+import {
+    createStorageUriResolver,
+    type StorageUriResolver,
+    type UriPlugin,
+} from "@suaveplan/storage-uri";
+import { fallbackUriPlugin } from "../../src/plugin/plugin.js";
+import type { FallbackPluginOptions } from "../../src/types/policy.types.js";
+
+/**
+ * Build a resolver carrying the fallback plugin wired back to itself plus
+ * the supplied scheme plugins. Uses a late-bound proxy so the plugin can
+ * recurse through the same resolver instance.
+ */
+export function buildResolverWithFallback(
+    extraPlugins: readonly UriPlugin[],
+    options?: Omit<FallbackPluginOptions, "resolver">
+): StorageUriResolver {
+    let captured: StorageUriResolver | undefined;
+    const lazy = new Proxy(
+        {},
+        {
+            get(_t, prop) {
+                if (captured === undefined)
+                    throw new Error("resolver not initialised");
+                const v = (captured as unknown as Record<string, unknown>)[
+                    prop as string
+                ];
+                return typeof v === "function" ? v.bind(captured) : v;
+            },
+        }
+    ) as StorageUriResolver;
+    const plugin = fallbackUriPlugin({ ...options, resolver: lazy });
+    captured = createStorageUriResolver([...extraPlugins, plugin]);
+    return captured;
+}