fix(schema): handle nested objects with _id: false

Fix #7524
Automattic · Feb 24, 2019 · 7c4b995 · 7c4b995
1 parent a89d3cb
commit 7c4b995
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/schema.js b/lib/schema.js
@@ -396,7 +396,10 @@ Schema.prototype.add = function add(obj, prefix) {
     return;
   }
 
-  if (obj._id === false) {
+  // Special case: setting top-level `_id` to false should convert to disabling
+  // the `_id` option. This behavior never worked before 5.4.11 but numerous
+  // codebases use it (see gh-7516, gh-7512).
+  if (obj._id === false && prefix == null) {
     delete obj._id;
     this.options._id = false;
   }