IDBVersionChangeEvent.newVersion can be null

Author: japgolly

src/main/scala/org/scalajs/dom/raw/Idb.scala

@@ -10,6 +10,7 @@
 package org.scalajs.dom.raw
 
 import scala.scalajs.js
+import scala.scalajs.js.|
 import scala.scalajs.js.annotation._
 
 /**
@@ -123,7 +124,7 @@ class IDBObjectStore extends js.Object {
 }
 
 trait IDBVersionChangeEventInit extends EventInit {
-  var newVersion: js.UndefOr[Int] = js.undefined
+  var newVersion: js.UndefOr[Int | Null] = js.undefined
   var oldVersion: js.UndefOr[Int] = js.undefined
 }
 
@@ -142,9 +143,11 @@ class IDBVersionChangeEvent(typeArg: String,
   /**
    * Returns the new version of the database.
    *
+   * This is null when the database is being deleted.
+   *
    * MDN
    */
-  def newVersion: Int = js.native
+  def newVersion: Int | Null = js.native
 
   /**
    * Returns the old version of the database.