fix(model): throw sane error when customer calls mongoose.Model() o…

…ver `mongoose.model()` Fix #2005
Automattic · Oct 24, 2017 · 5d9c858 · 5d9c858
1 parent cf8ef5f
commit 5d9c858
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/model.js b/lib/model.js
@@ -46,6 +46,11 @@ var VERSION_WHERE = 1,
  */
 
 function Model(doc, fields, skipId) {
+  if (fields instanceof Schema) {
+    throw new TypeError('2nd argument to `Model` must be a POJO or string, ' +
+      '**not** a schema. Make sure you\'re calling `mongoose.model()`, not ' +
+      '`mongoose.Model()`.');
+  }
   Document.call(this, doc, fields, skipId, true);
 }