Add loading attribute enum

Author: zetashift

api-reports/2_12.txt

@@ -15025,6 +15025,9 @@ ImageCapture[JC] val track: MediaStreamTrack
 ImageData[JC] def data: js.Array[Int]
 ImageData[JC] def height: Int
 ImageData[JC] def width: Int
+ImageLoadingMode[JT]
+ImageLoadingMode[SO] val eager: ImageLoadingMode
+ImageLoadingMode[SO] val `lazy`: ImageLoadingMode
 InputEvent[JC] def bubbles: Boolean
 InputEvent[JC] def cancelBubble: Boolean
 InputEvent[JC] def cancelable: Boolean

api-reports/2_13.txt

@@ -15025,6 +15025,9 @@ ImageCapture[JC] val track: MediaStreamTrack
 ImageData[JC] def data: js.Array[Int]
 ImageData[JC] def height: Int
 ImageData[JC] def width: Int
+ImageLoadingMode[JT]
+ImageLoadingMode[SO] val eager: ImageLoadingMode
+ImageLoadingMode[SO] val `lazy`: ImageLoadingMode
 InputEvent[JC] def bubbles: Boolean
 InputEvent[JC] def cancelBubble: Boolean
 InputEvent[JC] def cancelable: Boolean

dom/src/main/scala-2/org/scalajs/dom/ImageLoadingMode.scala.scala

@@ -0,0 +1,14 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+
+/**
+  * Possible values for the loading type of an `HTMLImageElement`: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-loading
+  */
+@js.native
+sealed trait ImageLoadingMode extends js.Any
+
+object ImageLoadingMode {
+  val eager: ImageLoadingMode = "eager".asInstanceOf[ImageLoadingMode]
+  val `lazy`: ImageLoadingMode = "lazy".asInstanceOf[ImageLoadingMode]
+}

dom/src/main/scala-3/org/scalajs/dom/ImageLoadingMode.scala

@@ -0,0 +1,13 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+
+/**
+  * Possible values for the loading type of an `HTMLImageElement`: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-loading
+  */
+opaque type ImageLoadingMode <: String = String
+
+object ImageLoadingMode {
+  val eager: ImageLoadingMode = "eager"
+  val `lazy`: ImageLoadingMode = "lazy"
+}