First concept

node_modules/next/dist/esm/lib/metadata/clone-metadata.js

@@ -0,0 +1,23 @@
+const TYPE_URL = "__METADATA_URL";
+function replacer(_key, val) {
+    // clone URL as string but recover it as URL
+    if (val instanceof URL) {
+        return {
+            _type: TYPE_URL,
+            value: val.href
+        };
+    }
+    return val;
+}
+function reviver(_key, val) {
+    if (typeof val === "object" && val !== null && val._type === TYPE_URL) {
+        return new URL(val.value);
+    }
+    return val;
+}
+export function cloneMetadata(metadata) {
+    const jsonString = JSON.stringify(metadata, replacer);
+    return JSON.parse(jsonString, reviver);
+}
+
+//# sourceMappingURL=clone-metadata.js.map