fix(schema): make _getSchema() find path underneath subdocument with …

…map of mixed Fix #12530
Automattic · Oct 27, 2022 · 5740c2c · 5740c2c
1 parent bd034fa
commit 5740c2c
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/lib/schema.js b/lib/schema.js
@@ -2409,8 +2409,15 @@ Schema.prototype._getSchema = function(path) {
           if (p + 1 >= parts.length) {
             return foundschema.$__schemaType;
           }
-          const ret = search(parts.slice(p + 1), foundschema.$__schemaType.schema);
-          return ret;
+
+          if (foundschema.$__schemaType instanceof MongooseTypes.Mixed) {
+            return foundschema.$__schemaType;
+          }
+          if (foundschema.$__schemaType.schema != null) {
+            // Map of docs
+            const ret = search(parts.slice(p + 1), foundschema.$__schemaType.schema);
+            return ret;
+          }
         }
 
         foundschema.$fullPath = resultPath.join('.');

diff --git a/test/schema.test.js b/test/schema.test.js
@@ -2885,4 +2885,17 @@ describe('schema', function() {
     assert.equal(schema.path('num').instance, 'Decimal128');
     assert.equal(schema.path('num2').instance, 'Decimal128');
   });
+
+  it('_getSchema finds path underneath nested subdocument with map of mixed (gh-12530)', function() {
+    const schema = new Schema({
+      child: new Schema({
+        testMap: {
+          type: Map,
+          of: 'Mixed'
+        }
+      })
+    });
+
+    assert.equal(schema._getSchema('child.testMap.foo.bar').instance, 'Mixed');
+  });
 });