i had to install the clang-formatter tool

hint: sudo apt install clang-format
-- for other people who might need the hint

extension.js

@@ -71,27 +71,13 @@ export default class BurnMyWindows extends Extension {
 
     // New effects must be registered here and in prefs.js.
     this._ALL_EFFECTS = [
-      new Apparition(),
-      new BrokenGlass(),
-      new Doom(),
-      new EnergizeA(),
-      new EnergizeB(),
-      new Fire(),
-      new Focus(),
-      new Glide(),
-      new Glitch(),
-      new Hexagon(),
-      new Incinerate(),
-      new Matrix(),
-      new PaintBrush(),
-      new Pixelate(),
-      new PixelWheel(),
-      new PixelWipe(),
-      new Portal(),
-      new SnapOfDisintegration(),
-      new TRexAttack(),
-      new TVEffect(),
-      new TVGlitch(),
+      new Apparition(), new BrokenGlass(), new Doom(),
+      new EnergizeA(),  new EnergizeB(),   new Fire(),
+      new Focus(),      new Glide(),       new Glitch(),
+      new Hexagon(),    new Incinerate(),  new Matrix(),
+      new PaintBrush(), new Pixelate(),    new PixelWheel(),
+      new PixelWipe(),  new Portal(),      new SnapOfDisintegration(),
+      new TRexAttack(), new TVEffect(),    new TVGlitch(),
       new Wisps(),
     ];
 

prefs.js

@@ -71,31 +71,13 @@ export default class BurnMyWindowsPreferences extends ExtensionPreferences {
 
     // New effects must be registered here and in extension.js.
     this._ALL_EFFECTS = [
-      Apparition,
-      BrokenGlass,
-      Doom,
-      EnergizeA,
-      EnergizeB,
-      Fire,
-      Focus,
-      Glide,
-      Glitch,
-      Hexagon,
-      Incinerate,
-      Matrix,
-      PaintBrush,
-      Pixelate,
-      PixelWheel,
-      PixelWipe,
-      Portal,
-      SnapOfDisintegration,
-      TRexAttack,
-      TVEffect,
-      TVGlitch,
-      Wisps,
+      Apparition, BrokenGlass, Doom,       EnergizeA, EnergizeB,  Fire,
+      Focus,      Glide,       Glitch,     Hexagon,   Incinerate, Matrix,
+      PaintBrush, Pixelate,    PixelWheel, PixelWipe, Portal,     SnapOfDisintegration,
+      TRexAttack, TVEffect,    TVGlitch,   Wisps,
     ];
 
-    
+
     // Load all of our resources.
     this._resources =
       Gio.Resource.load(this.path + '/resources/burn-my-windows.gresource');
@@ -179,7 +161,7 @@ export default class BurnMyWindowsPreferences extends ExtensionPreferences {
         }
       });
 
-    
+
     // This is our top-level widget which we will return later.
     this._widget = this._builder.get_object('general-prefs');
 
@@ -281,7 +263,7 @@ export default class BurnMyWindowsPreferences extends ExtensionPreferences {
       }
     });
 
-      
+
     // Some things can only be done once the widget is shown as we do not have access to
     // the toplevel widget before.
     this._widget.connect('realize', (widget) => {
@@ -429,7 +411,7 @@ GitHub: <a href='https://github.com/sponsors/schneegans'>https://github.com/spon
           this._settings.set_int('last-prefs-version', this.metadata.version)
         });
         group.add_action(changelogAction);
-        
+
         // Add the about dialog.
         const aboutAction = Gio.SimpleAction.new('about', null);
         aboutAction.connect('activate', () => {

src/effects/Focus.js

@@ -12,14 +12,14 @@
 // SPDX-FileCopyrightText: Justin Garza [email protected]
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-"use strict";
+'use strict';
 
-import * as utils from "../utils.js";
+import * as utils from '../utils.js';
 
 // We import the ShaderFactory only in the Shell process as it is not required in the
 // preferences process. The preferences process does not create any shader instances, it
 // only uses the static metadata of the effect.
-const ShaderFactory = await utils.importInShellOnly("./ShaderFactory.js");
+const ShaderFactory = await utils.importInShellOnly('./ShaderFactory.js');
 
 const _ = await utils.importGettext();
 
@@ -39,17 +39,17 @@ export default class Effect {
   constructor() {
     this.shaderFactory = new ShaderFactory(Effect.getNick(), (shader) => {
       // Store uniform locations of newly created shaders.
-      shader._uBlurAmount = shader.get_uniform_location("uBlurAmount");
-      shader._uBlurQuality = shader.get_uniform_location("uBlurQuality");
+      shader._uBlurAmount  = shader.get_uniform_location('uBlurAmount');
+      shader._uBlurQuality = shader.get_uniform_location('uBlurQuality');
 
       // Write all uniform values at the start of each animation.
-      shader.connect("begin-animation", (shader, settings) => {
+      shader.connect('begin-animation', (shader, settings) => {
         shader.set_uniform_float(shader._uBlurAmount, 1, [
-          settings.get_int("focus-blur-ammout"),
+          settings.get_int('focus-blur-ammout'),
         ]);
 
         shader.set_uniform_float(shader._uBlurQuality, 1, [
-          settings.get_int("focus-blur-quality"),
+          settings.get_int('focus-blur-quality'),
         ]);
       });
     });
@@ -68,13 +68,13 @@ export default class Effect {
   // (e.g. '*-animation-time'). Also, the shader file and the settings UI files should be
   // named likes this.
   static getNick() {
-    return "focus";
+    return 'focus';
   }
 
   // This will be shown in the sidebar of the preferences dialog as well as in the
   // drop-down menus where the user can choose the effect.
   static getLabel() {
-    return _("Focus");
+    return _('Focus');
   }
 
   // -------------------------------------------------------------------- API for prefs.js
@@ -95,6 +95,6 @@ export default class Effect {
   // animation. This is useful if the effect requires drawing something beyond the usual
   // bounds of the actor. This only works for GNOME 3.38+.
   static getActorScale(settings, forOpening, actor) {
-    return { x: 1.0, y: 1.0 };
+    return {x: 1.0, y: 1.0};
   }
 }