Manual class transform

src/ol/webgl/Shader.js

@@ -9,30 +9,30 @@ import {FALSE} from '../functions.js';
  * @param {string} source Source.
  * @struct
  */
-const WebGLShader = function(source) {
+class WebGLShader {
+ constructor(source) {
 
-  /**
-   * @private
-   * @type {string}
-   */
-  this.source_ = source;
+   /**
+    * @private
+    * @type {string}
+    */
+   this.source_ = source;
 
-};
+ }
 
+ /**
+  * @abstract
+  * @return {number} Type.
+  */
+ getType() {}
 
-/**
- * @abstract
- * @return {number} Type.
- */
-WebGLShader.prototype.getType = function() {};
-
-
-/**
- * @return {string} Source.
- */
-WebGLShader.prototype.getSource = function() {
-  return this.source_;
-};
+ /**
+  * @return {string} Source.
+  */
+ getSource() {
+   return this.source_;
+ }
+}
 
 
 /**