Improve ClipboardEvent type safety.

Improve ClipboardEvent type saftey.

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

@@ -3763,13 +3763,46 @@ trait DataTransfer extends js.Object {
  def files: FileList = js.native
 }
 
+trait ClipboardEventInit extends js.Object {
+ /**
+ * The data for this clipboard event.
+ */
+ val data: String = js.native
+
+ /**
+ * The MIME type of the data.
+ */
+ val dataType: String = js.native
+}
+
+object ClipboardEventInit {
+ /**
+ * Construct a new ClipboardEventInit
+ * 
+ * @param data The data for this clipboard event
+ * @param dataType The MIME type of the data.
+ * @return a new ClipBoardEventInit
+ */
+ @inline
+ def apply(data: js.UndefOr[String] = js.undefined,
+ dataType: js.UndefOr[String] = js.undefined): ClipboardEventInit = {
+ val result = js.Dynamic.literal()
+ data.foreach(result.data = _)
+ dataType.foreach(result.dataType = _)
+ result.asInstanceOf[ClipboardEventInit]
+ }
+}
+
 /**
  * The ClipboardEvent interface represents events providing information related to
  * modification of the clipboard, that is cut, copy, and paste events.
  *
  * MDN
  */
-class ClipboardEvent(`type`: String, settings: js.Dynamic) extends Event {
+class ClipboardEvent(`type`: String, settings: ClipboardEventInit) extends Event {
+ @deprecated("Use the overload with a ClipboardEventInit instead.", "0.8.1")
+ def this(`type`: String, settings: js.Dynamic) = this(`type`, settings.asInstanceOf[ClipboardEventInit])
+
  /**
  * Is a DataTransfer object containing the data affected by the user-initialed cut, copy,
  * or paste operation, along with its MIME type.