fix(schema): make Schema#clone() use parent Mongoose instance's Sch…

…ema constructor Fix #9426
Automattic · Sep 22, 2020 · 2007bc7 · 2007bc7
1 parent 40d408e
commit 2007bc7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/schema.js b/lib/schema.js
@@ -294,7 +294,9 @@ Schema.prototype.tree;
  */
 
 Schema.prototype.clone = function() {
-  const s = new Schema({}, this._userProvidedOptions);
+  const Constructor = this.base == null ? Schema : this.base.Schema;
+
+  const s = new Constructor({}, this._userProvidedOptions);
   s.base = this.base;
   s.obj = this.obj;
   s.options = utils.clone(this.options);