Add EventListenerOptions trait and implement it in addEventListener

Author: busti

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

@@ -2692,6 +2692,38 @@ class Window
   var lostpointercapture: js.Function1[PointerEvent, _] = js.native
 }
 
+/**
+ * An options object that specifies characteristics about the event listener.
+ *
+ * MDN
+ */
+@js.native
+trait EventListenerOptions extends js.Object {
+  /**
+   * A Boolean indicating that events of this type will be dispatched to the registered listener
+   * before being dispatched to any EventTarget beneath it in the DOM tree.
+   *
+   * MDN
+   */
+  var capture: js.UndefOr[Boolean] = js.undefined
+
+  /**
+   * A Boolean indicating that the listener should be invoked at most once after being added.
+   * If true, the listener would be automatically removed when invoked.
+   */
+  var once: js.UndefOr[Boolean] = js.undefined
+
+  /**
+   * A Boolean which, if true, indicates that the function specified by listener will never call preventDefault().
+   * If a passive listener does call preventDefault(),
+   * the user agent will do nothing other than generate a console warning.
+   * See Improving scrolling performance with passive listeners to learn more.
+   *
+   * MDN
+   */
+  var passive: js.UndefOr[Boolean] = js.undefined
+}
+
 /**
  * EventTarget is a DOM interface implemented by objects that can receive DOM events
  * and have listeners for them.
@@ -2731,6 +2763,20 @@ class EventTarget extends js.Object {
       listener: js.Function1[T, _],
       useCapture: Boolean = js.native): Unit = js.native
 
+  /**
+   * The EventTarget.addEventListener() method registers the specified listener on
+   * the EventTarget it's called on. The event target may be an Element in a document, the
+   * Document itself, a Window, or any other object that supports events (such as
+   * XMLHttpRequest).
+   *
+   * This implementation accepts a settings object of type EventListenerOptions.
+   *
+   * MDN
+   */
+  def addEventListener[T <: Event](`type`: String,
+      listener: js.Function1[T, _],
+      options: EventListenerOptions): Unit = js.native
+
   /**
    * Dispatches an Event at the specified EventTarget, invoking the affected
    * EventListeners in the appropriate order. The normal event processing rules