UEA-PRODEM

node_modules/zod/v4/core/to-json-schema.cjs

@@ -93,7 +93,7 @@ function process(schema, ctx, _params = { path: [], schemaPath: [] }) {
         delete result.schema.default;
     }
     // set prefault as default
-    if (ctx.io === "input" && result.schema._prefault)
+    if (ctx.io === "input" && "_prefault" in result.schema)
         (_a = result.schema).default ?? (_a.default = result.schema._prefault);
     delete result.schema._prefault;
     // pulling fresh from ctx.seen in case it was overwritten
@@ -260,7 +260,7 @@ function finalize(ctx, schema) {
                 }
             }
             // When ref was extracted to $defs, remove properties that match the definition
-            if (refSchema.$ref) {
+            if (refSchema.$ref && refSeen.def) {
                 for (const key in schema) {
                     if (key === "$ref" || key === "allOf")
                         continue;
@@ -325,11 +325,20 @@ function finalize(ctx, schema) {
         result.$id = ctx.external.uri(id);
     }
     Object.assign(result, root.def ?? root.schema);
+    // The `id` in `.meta()` is a Zod-specific registration tag used to extract
+    // schemas into $defs — it is not user-facing JSON Schema metadata. Strip it
+    // from the output body where it would otherwise leak. The id is preserved
+    // implicitly via the $defs key (and via $ref paths).
+    const rootMetaId = ctx.metadataRegistry.get(schema)?.id;
+    if (rootMetaId !== undefined && result.id === rootMetaId)
+        delete result.id;
     // build defs object
     const defs = ctx.external?.defs ?? {};
     for (const entry of ctx.seen.entries()) {
         const seen = entry[1];
         if (seen.def && seen.defId) {
+            if (seen.def.id === seen.defId)
+                delete seen.def.id;
             defs[seen.defId] = seen.def;
         }
     }
@@ -398,6 +407,8 @@ function isTransforming(_schema, _ctx) {
         return isTransforming(def.keyType, ctx) || isTransforming(def.valueType, ctx);
     }
     if (def.type === "pipe") {
+        if (_schema._zod.traits.has("$ZodCodec"))
+            return true;
         return isTransforming(def.in, ctx) || isTransforming(def.out, ctx);
     }
     if (def.type === "object") {