refactor: replace export var with export const

2026-04-14 00:04:17 +09:00 · 2023-09-21 19:22:24 -07:00
parent 47e4be829d
commit fd8022b49b
15 changed files with 99 additions and 99 deletions
--- a/appIcons.js
+++ b/appIcons.js
@@ -68,7 +68,7 @@ const DOUBLE_CLICK_DELAY_MS = 450;

 let LABEL_GAP = 5;
 let MAX_INDICATORS = 4;
-export var DEFAULT_PADDING_SIZE = 4;
+export const DEFAULT_PADDING_SIZE = 4;

 let DOT_STYLE = {
    DOTS: "DOTS",
@@ -108,7 +108,7 @@ let tracker = Shell.WindowTracker.get_default();
 *
 */

-export var TaskbarAppIcon = GObject.registerClass({
+export const TaskbarAppIcon = GObject.registerClass({
 }, class TaskbarAppIcon extends AppDisplay.AppIcon {

    _init(appInfo, panel, iconParams, previewMenu, iconAnimator) {
@@ -1587,7 +1587,7 @@ export function ItemShowLabel() {
 * use of this class in place of the original showAppsButton.
 *
 */
-export var ShowAppsIconWrapper = class {
+export const ShowAppsIconWrapper = class {

    constructor(dtpPanel) {
        this.realShowAppsIcon = new Dash.ShowAppsIcon();
@@ -1736,7 +1736,7 @@ Signals.addSignalMethods(ShowAppsIconWrapper.prototype);
 /**
 * A menu for the showAppsIcon
 */
-export var MyShowAppsIconMenu = class extends PopupMenu.PopupMenu {
+export const MyShowAppsIconMenu = class extends PopupMenu.PopupMenu {

    constructor(actor, dtpPanel) {
        super(actor, 0, dtpPanel.getPosition());
@@ -1875,7 +1875,7 @@ export var MyShowAppsIconMenu = class extends PopupMenu.PopupMenu {
 };


-export var getIconContainerStyle = function(isVertical) {
+export const getIconContainerStyle = function(isVertical) {
    let style = 'padding: ';

    if (SETTINGS.get_boolean('group-apps')) {
--- a/desktopIconsIntegration.js
+++ b/desktopIconsIntegration.js
@@ -64,7 +64,7 @@ import * as ExtensionUtils from 'resource:///org/gnome/shell/misc/extensionUtils

 const IDENTIFIER_UUID = "130cbc66-235c-4bd6-8571-98d2d8bba5e2";

-export var DesktopIconsUsableAreaClass = class {
+export const DesktopIconsUsableAreaClass = class {
    constructor() {
        this._extensionManager = Main.extensionManager;
        this._timedMarginsID = 0;
--- a/extension.js
+++ b/extension.js
@@ -43,12 +43,12 @@ let extensionChangedHandler;
 let disabledUbuntuDock;
 let extensionSystem = Main.extensionManager;

-export var DTP_EXTENSION = null;
-export var SETTINGS = null;
-export var DESKTOPSETTINGS = null;
-export var PERSISTENTSTORAGE = null;
-export var EXTENSION_UUID = null;
-export var EXTENSION_PATH = null;
+export let DTP_EXTENSION = null;
+export let SETTINGS = null;
+export let DESKTOPSETTINGS = null;
+export let PERSISTENTSTORAGE = null;
+export let EXTENSION_UUID = null;
+export let EXTENSION_PATH = null;

 export default class DashToPanelExtension extends Extension {
    constructor(metadata) {
--- a/intellihide.js
+++ b/intellihide.js
@@ -45,13 +45,13 @@ const T4 = 'panelBoxClipTimeout';

 var SIDE_CONTROLS_ANIMATION_TIME = OverviewControls.SIDE_CONTROLS_ANIMATION_TIME / (OverviewControls.SIDE_CONTROLS_ANIMATION_TIME > 1 ? 1000 : 1);

-export var Hold = {
+export const Hold = {
    NONE: 0,
    TEMPORARY: 1,
    PERMANENT: 2
 };

-export var Intellihide = class {
+export const Intellihide = class {

    constructor(dtpPanel) {
        this._dtpPanel = dtpPanel;
@@ -424,4 +424,4 @@ export var Intellihide = class {

        this._hoveredOut = false;
    }
-}
+}
--- a/overview.js
+++ b/overview.js
@@ -46,7 +46,7 @@ const LABEL_MARGIN = 60;
 const T1 = 'swipeEndTimeout';
 const T2 = 'numberOverlayTimeout';

-export var Overview = class {
+export const Overview = class {

    constructor() {
        this._numHotkeys = 10;
@@ -518,4 +518,4 @@ export var Overview = class {
        return true;
    }

-}
+}
--- a/panel.js
+++ b/panel.js
@@ -63,7 +63,7 @@ const Mainloop = imports.mainloop;
 const Gi = imports._gi;

 let tracker = Shell.WindowTracker.get_default();
-export var panelBoxes = ['_leftBox', '_centerBox', '_rightBox'];
+export const panelBoxes = ['_leftBox', '_centerBox', '_rightBox'];

 //timeout names
 const T2 = 'startIntellihideTimeout';
@@ -72,7 +72,7 @@ const T5 = 'trackerFocusAppTimeout';
 const T6 = 'scrollPanelDelayTimeout';
 const T7 = 'waitPanelBoxAllocation';

-export var Panel = GObject.registerClass({
+export const Panel = GObject.registerClass({
 }, class Panel extends St.Widget {

    _init(panelManager, monitor, panelBox, isStandalone) {
@@ -1256,7 +1256,7 @@ export var Panel = GObject.registerClass({
    }
 });

-export var SecondaryPanel = GObject.registerClass({
+export const SecondaryPanel = GObject.registerClass({
 }, class SecondaryPanel extends St.Widget {

    _init(params) {
@@ -1266,4 +1266,4 @@ export var SecondaryPanel = GObject.registerClass({
    vfunc_allocate(box) {
        this.set_allocation(box);
    }
-});
+});
--- a/panelManager.js
+++ b/panelManager.js
@@ -56,7 +56,7 @@ import {SecondaryMonitorDisplay, WorkspacesView} from 'resource:///org/gnome/she

 const Gi = imports._gi;

-export var PanelManager = class {
+export const PanelManager = class {

    constructor() {
        this.overview = new Overview.Overview();
@@ -529,7 +529,7 @@ export var PanelManager = class {

 // This class drives long-running icon animations, to keep them running in sync
 // with each other.
-export var IconAnimator = class {
+export const IconAnimator = class {

    constructor(actor) {
        this._count = 0;
--- a/panelPositions.js
+++ b/panelPositions.js
@@ -15,31 +15,31 @@
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-export var SHOW_APPS_BTN = 'showAppsButton';
-export var ACTIVITIES_BTN = 'activitiesButton';
-export var TASKBAR = 'taskbar';
-export var DATE_MENU = 'dateMenu';
-export var SYSTEM_MENU = 'systemMenu';
-export var LEFT_BOX = 'leftBox';
-export var CENTER_BOX = 'centerBox';
-export var RIGHT_BOX = 'rightBox';
-export var DESKTOP_BTN = 'desktopButton';
+export const SHOW_APPS_BTN = 'showAppsButton';
+export const ACTIVITIES_BTN = 'activitiesButton';
+export const TASKBAR = 'taskbar';
+export const DATE_MENU = 'dateMenu';
+export const SYSTEM_MENU = 'systemMenu';
+export const LEFT_BOX = 'leftBox';
+export const CENTER_BOX = 'centerBox';
+export const RIGHT_BOX = 'rightBox';
+export const DESKTOP_BTN = 'desktopButton';

-export var STACKED_TL = 'stackedTL';
-export var STACKED_BR = 'stackedBR';
-export var CENTERED = 'centered';
-export var CENTERED_MONITOR = 'centerMonitor';
+export const STACKED_TL = 'stackedTL';
+export const STACKED_BR = 'stackedBR';
+export const CENTERED = 'centered';
+export const CENTERED_MONITOR = 'centerMonitor';

-export var TOP = 'TOP';
-export var BOTTOM = 'BOTTOM';
-export var LEFT = 'LEFT';
-export var RIGHT = 'RIGHT';
+export const TOP = 'TOP';
+export const BOTTOM = 'BOTTOM';
+export const LEFT = 'LEFT';
+export const RIGHT = 'RIGHT';

-export var START = 'START';
-export var MIDDLE = 'MIDDLE';
-export var END = 'END';
+export const START = 'START';
+export const MIDDLE = 'MIDDLE';
+export const END = 'END';

-export var defaults = [
+export const defaults = [
    { element: SHOW_APPS_BTN,   visible: true,     position: STACKED_TL },
    { element: ACTIVITIES_BTN,  visible: false,    position: STACKED_TL },
    { element: LEFT_BOX,        visible: true,     position: STACKED_TL },
@@ -51,11 +51,11 @@ export var defaults = [
    { element: DESKTOP_BTN,     visible: true,     position: STACKED_BR },
 ];

-export var optionDialogFunctions = {};
+export const optionDialogFunctions = {};

 optionDialogFunctions[SHOW_APPS_BTN] = '_showShowAppsButtonOptions';
 optionDialogFunctions[DESKTOP_BTN] = '_showDesktopButtonOptions';

 export function checkIfCentered(position) {
    return position == CENTERED || position == CENTERED_MONITOR;
-}
+}
--- a/panelStyle.js
+++ b/panelStyle.js
@@ -33,7 +33,7 @@ import {SETTINGS} from './extension.js';

 const Mainloop = imports.mainloop;

-export var PanelStyle = class {
+export const PanelStyle = class {

    enable(panel) {
        this.panel = panel;
--- a/progress.js
+++ b/progress.js
@@ -30,7 +30,7 @@ const Cairo = imports.cairo;
 const {signals: Signals} = imports;


-export var ProgressManager = class {
+export const ProgressManager = class {

    constructor() {
        this._entriesByDBusName = {};
@@ -281,7 +281,7 @@ export class AppProgress {
 Signals.addSignalMethods(AppProgress.prototype);


-export var ProgressIndicator = class {
+export const ProgressIndicator = class {

    constructor(source, progressManager) {
        this._source = source;
--- a/proximity.js
+++ b/proximity.js
@@ -29,7 +29,7 @@ const MIN_UPDATE_MS = 200;
 //timeout names
 const T1 = 'limitUpdateTimeout';

-export var Mode = {
+export const Mode = {
    ALL_WINDOWS: 0,
    FOCUSED_WINDOWS: 1,
    MAXIMIZED_WINDOWS: 2
@@ -66,7 +66,7 @@ export class ProximityWatch {
    }
 };

-export var ProximityManager = class {
+export const ProximityManager = class {

    constructor() {
        this._counter = 1;
@@ -254,4 +254,4 @@ export var ProximityManager = class {
                metaWindow.get_monitor() == watch.monitorIndex || 
                windowRect.overlap(global.display.get_monitor_geometry(watch.monitorIndex)));
    }
-};
+};
--- a/taskbar.js
+++ b/taskbar.js
@@ -53,9 +53,9 @@ const Mainloop = imports.mainloop;
 const {signals: Signals} = imports;
 const SearchController = Main.overview.searchController;

-export var DASH_ANIMATION_TIME = Dash.DASH_ANIMATION_TIME / (Dash.DASH_ANIMATION_TIME > 1 ? 1000 : 1);
+export const DASH_ANIMATION_TIME = Dash.DASH_ANIMATION_TIME / (Dash.DASH_ANIMATION_TIME > 1 ? 1000 : 1);
 var DASH_ITEM_HOVER_TIMEOUT = Dash.DASH_ITEM_HOVER_TIMEOUT;
-export var MIN_ICON_SIZE = 4;
+export const MIN_ICON_SIZE = 4;

 const T1 = 'ensureAppIconVisibilityTimeout'
 const T2 = 'showLabelTimeout'
@@ -119,7 +119,7 @@ const iconAnimationSettings = {
 * - modified chldBox calculations for when 'show-apps-at-top' option is checked
 * - handle horizontal dash
 */
-export var TaskbarActor = GObject.registerClass({
+export const TaskbarActor = GObject.registerClass({
 }, class TaskbarActor extends St.Widget {
    _init(delegate) {
        this._delegate = delegate;
@@ -200,7 +200,7 @@ export var TaskbarActor = GObject.registerClass({
 * - Sync minimization application target position.
 */

-export var Taskbar = class {
+export const Taskbar = class {

    constructor(panel) {
        this.dtpPanel = panel;
@@ -1344,7 +1344,7 @@ const CloneContainerConstraint = GObject.registerClass({
    }
 });

-export var TaskbarItemContainer = GObject.registerClass({
+export const TaskbarItemContainer = GObject.registerClass({

 }, class TaskbarItemContainer extends Dash.DashItemContainer {

--- a/transparency.js
+++ b/transparency.js
@@ -27,7 +27,7 @@ import * as Proximity from './proximity.js';
 import * as Utils from './utils.js';
 import {SETTINGS} from './extension.js';

-export var DynamicTransparency = class {
+export const DynamicTransparency = class {

    constructor(dtpPanel) {
        this._dtpPanel = dtpPanel;
--- a/utils.js
+++ b/utils.js
@@ -42,7 +42,7 @@ var SCROLL_TIME = Util.SCROLL_TIME / (Util.SCROLL_TIME > 1 ? 1000 : 1);

 // simplify global signals and function injections handling
 // abstract class
-export var  BasicHandler = class {
+export const  BasicHandler = class {

    constructor() {
        this._storage = new Object();
@@ -102,7 +102,7 @@ export var  BasicHandler = class {
 }

 // Manage global signals
-export var GlobalSignalsHandler = class extends BasicHandler {
+export const GlobalSignalsHandler = class extends BasicHandler {

    _create(item) {
        let handlers = [];
@@ -135,7 +135,7 @@ export var GlobalSignalsHandler = class extends BasicHandler {
 * Manage function injection: both instances and prototype can be overridden
 * and restored
 */
-export var InjectionsHandler = class extends BasicHandler {
+export const InjectionsHandler = class extends BasicHandler {

    _create(item) {
        let object = item[0];
@@ -158,7 +158,7 @@ export var InjectionsHandler = class extends BasicHandler {
 /**
 * Manage timeouts: the added timeouts have their id reset on completion
 */
-export var TimeoutsHandler = class extends BasicHandler {
+export const TimeoutsHandler = class extends BasicHandler {

    _create(item) {
        let name = item[0];
@@ -195,7 +195,7 @@ export var TimeoutsHandler = class extends BasicHandler {

 // This is wrapper to maintain compatibility with GNOME-Shell 3.30+ as well as
 // previous versions.
-export var DisplayWrapper = {
+export const DisplayWrapper = {
    getScreen() {
        return global.screen || global.display;
    },
@@ -210,7 +210,7 @@ export var DisplayWrapper = {
 };

 let unredirectEnabled = true
-export var setDisplayUnredirect = (enable) => {
+export const setDisplayUnredirect = (enable) => {
    if (enable && !unredirectEnabled)
        Meta.enable_unredirect_for_display(global.display);
    else if (!enable && unredirectEnabled)
@@ -219,34 +219,34 @@ export var setDisplayUnredirect = (enable) => {
    unredirectEnabled = enable;
 };

-export var getSystemMenuInfo = function() {
+export const getSystemMenuInfo = function() {
    return {
        name: 'quickSettings',
        constructor: Main.panel.statusArea.quickSettings.constructor
    };
 }

-export var getCurrentWorkspace = function() {
+export const getCurrentWorkspace = function() {
    return DisplayWrapper.getWorkspaceManager().get_active_workspace();
 };

-export var getWorkspaceByIndex = function(index) {
+export const getWorkspaceByIndex = function(index) {
    return DisplayWrapper.getWorkspaceManager().get_workspace_by_index(index);
 };

-export var getWorkspaceCount = function() {
+export const getWorkspaceCount = function() {
    return DisplayWrapper.getWorkspaceManager().n_workspaces;
 };

-export var getStageTheme = function() {
+export const getStageTheme = function() {
    return St.ThemeContext.get_for_stage(global.stage);
 };

-export var getScaleFactor = function() {
+export const getScaleFactor = function() {
    return getStageTheme().scale_factor || 1;
 };

-export var findIndex = function(array, predicate) {
+export const findIndex = function(array, predicate) {
    if (array) {
        if (Array.prototype.findIndex) {
            return array.findIndex(predicate);
@@ -262,7 +262,7 @@ export var findIndex = function(array, predicate) {
    return -1;
 };

-export var find = function(array, predicate) {
+export const find = function(array, predicate) {
    let index = findIndex(array, predicate);

    if (index > -1) {
@@ -270,7 +270,7 @@ export var find = function(array, predicate) {
    }
 };

-export var mergeObjects = function(main, bck) {
+export const mergeObjects = function(main, bck) {
    for (var prop in bck) {
        if (!main.hasOwnProperty(prop) && bck.hasOwnProperty(prop)) {
            main[prop] = bck[prop];
@@ -280,7 +280,7 @@ export var mergeObjects = function(main, bck) {
    return main;
 };

-export var hookVfunc = function(proto, symbol, func) {
+export const hookVfunc = function(proto, symbol, func) {
    if (!func) return

    if (Gi.gobject_prototype_symbol && proto[Gi.gobject_prototype_symbol]) {
@@ -290,14 +290,14 @@ export var hookVfunc = function(proto, symbol, func) {
    }
 };

-export var getTrackedActorData = (actor) => {
+export const getTrackedActorData = (actor) => {
    let trackedIndex = Main.layoutManager._findActor(actor);
    
    if (trackedIndex >= 0)
        return Main.layoutManager._trackedActors[trackedIndex]
 }

-export var getTransformedAllocation = function(actor) {
+export const getTransformedAllocation = function(actor) {
    let extents = actor.get_transformed_extents();
    let topLeft = extents.get_top_left();
    let bottomRight = extents.get_bottom_right();
@@ -305,13 +305,13 @@ export var getTransformedAllocation = function(actor) {
    return { x1: topLeft.x, x2: bottomRight.x, y1: topLeft.y, y2: bottomRight.y };
 };

-export var setClip = function(actor, x, y, width, height) {
+export const setClip = function(actor, x, y, width, height) {
    actor.set_clip(0, 0, width, height);
    actor.set_position(x, y);
    actor.set_size(width, height);
 };

-export var addKeybinding = function(key, settings, handler, modes) {
+export const addKeybinding = function(key, settings, handler, modes) {
    if (!Main.wm._allowedKeybindings[key]) {
        Main.wm.addKeybinding(
            key, 
@@ -323,19 +323,19 @@ export var addKeybinding = function(key, settings, handler, modes) {
    }
 };

-export var removeKeybinding = function(key) {
+export const removeKeybinding = function(key) {
    if (Main.wm._allowedKeybindings[key]) {
        Main.wm.removeKeybinding(key);
    }
 };

-export var getrgbColor = function(color) {
+export const getrgbColor = function(color) {
    color = typeof color === 'string' ? Clutter.color_from_string(color)[1] : color;

    return { red: color.red, green: color.green, blue: color.blue };
 };

-export var getrgbaColor = function(color, alpha, offset) {
+export const getrgbaColor = function(color, alpha, offset) {
    if (alpha <= 0) {
        return 'transparent; ';
    }
@@ -355,14 +355,14 @@ export var getrgbaColor = function(color, alpha, offset) {
    return 'rgba(' + rgb.red + ',' + rgb.green + ',' + rgb.blue + ',' + (Math.floor(alpha * 100) * 0.01) + '); ' ;
 };

-export var checkIfColorIsBright = function(color) {
+export const checkIfColorIsBright = function(color) {
    let rgb = getrgbColor(color);
    let brightness = 0.2126 * rgb.red + 0.7152 * rgb.green + 0.0722 * rgb.blue;

    return brightness > 128;
 };

-export var getMouseScrollDirection = function(event) {
+export const getMouseScrollDirection = function(event) {
    let direction;

    switch (event.get_scroll_direction()) {
@@ -379,7 +379,7 @@ export var getMouseScrollDirection = function(event) {
    return direction;
 };

-export var checkIfWindowHasTransient = function(window) {
+export const checkIfWindowHasTransient = function(window) {
    let hasTransient;

    window.foreach_transient(t => !(hasTransient = true));
@@ -387,7 +387,7 @@ export var checkIfWindowHasTransient = function(window) {
    return hasTransient;
 };

-export var activateSiblingWindow = function(windows, direction, startWindow) {
+export const activateSiblingWindow = function(windows, direction, startWindow) {
    let windowIndex = windows.indexOf(global.display.focus_window);
    let nextWindowIndex = windowIndex < 0 ?
                          startWindow ? windows.indexOf(startWindow) : 0 : 
@@ -404,7 +404,7 @@ export var activateSiblingWindow = function(windows, direction, startWindow) {
    }
 };

-export var animateWindowOpacity = function(window, tweenOpts) {
+export const animateWindowOpacity = function(window, tweenOpts) {
    //there currently is a mutter bug with the windowactor opacity, starting with 3.34
    //https://gitlab.gnome.org/GNOME/mutter/issues/836

@@ -433,7 +433,7 @@ export var animateWindowOpacity = function(window, tweenOpts) {
    animate(window, tweenOpts);
 };

-export var animate = function(actor, options) {
+export const animate = function(actor, options) {
    //the original animations used Tweener instead of Clutter animations, so we
    //use "time" and "delay" properties defined in seconds, as opposed to Clutter 
    //animations "duration" and "delay" which are defined in milliseconds
@@ -466,15 +466,15 @@ export var animate = function(actor, options) {
    actor.ease.apply(actor, params);
 }

-export var isAnimating = function(actor, prop) {
+export const isAnimating = function(actor, prop) {
    return !!actor.get_transition(prop);
 }

-export var stopAnimations = function(actor) {
+export const stopAnimations = function(actor) {
    actor.remove_all_transitions();
 }

-export var getIndicators = function(delegate) {
+export const getIndicators = function(delegate) {
    if (delegate instanceof St.BoxLayout) {
        return delegate;
    }
@@ -482,11 +482,11 @@ export var getIndicators = function(delegate) {
    return delegate.indicators;
 }

-export var getPoint = function(coords) {
+export const getPoint = function(coords) {
    return new Graphene.Point(coords);
 }

-export var notify = function(text, iconName, action, isTransient) {
+export const notify = function(text, iconName, action, isTransient) {
    let source = new MessageTray.SystemNotificationSource();
    let notification = new MessageTray.Notification(source, 'Dash to Panel', text);
    let notifyFunc = source.showNotification || source.notify;
@@ -517,7 +517,7 @@ export var notify = function(text, iconName, action, isTransient) {
 * it would be clamp to the current one in any case.
 * Return the amount of shift applied
 */
-export var ensureActorVisibleInScrollView = function(scrollView, actor, fadeSize, onComplete) {
+export const ensureActorVisibleInScrollView = function(scrollView, actor, fadeSize, onComplete) {
    let vadjustment = scrollView.vscroll.adjustment;
    let hadjustment = scrollView.hscroll.adjustment;
    let [vvalue, vlower, vupper, vstepIncrement, vpageIncrement, vpageSize] = vadjustment.get_values();
@@ -574,7 +574,7 @@ export var ensureActorVisibleInScrollView = function(scrollView, actor, fadeSize
 /**
 *  ColorUtils is adapted from https://github.com/micheleg/dash-to-dock
 */
-export var ColorUtils = {
+export const ColorUtils = {
    colorLuminance(r, g, b, dlum) {
        // Darken or brighten color by a fraction dlum
        // Each rgb value is modified by the same fraction.
@@ -685,7 +685,7 @@ const MAX_CACHED_ITEMS = 1000;
 const BATCH_SIZE_TO_DELETE = 50;
 const DOMINANT_COLOR_ICON_SIZE = 64;

-export var DominantColorExtractor = class {
+export const DominantColorExtractor = class {

    constructor(app){
        this._app = app;
@@ -875,7 +875,7 @@ export var DominantColorExtractor = class {

 };

-export var drawRoundedLine = function(cr, x, y, width, height, isRoundLeft, isRoundRight, stroke, fill) {
+export const drawRoundedLine = function(cr, x, y, width, height, isRoundLeft, isRoundRight, stroke, fill) {
    if (height > width) {
        y += Math.floor((height - width) / 2.0);
        height = width;
--- a/windowPreview.js
+++ b/windowPreview.js
@@ -62,7 +62,7 @@ let scaleFactor = 1;
 let animationTime = 0;
 let aspectRatio = {};

-export var PreviewMenu = GObject.registerClass({
+export const PreviewMenu = GObject.registerClass({
    Signals: { 'open-state-changed': {} }
 }, class PreviewMenu extends St.Widget {

@@ -694,7 +694,7 @@ export var PreviewMenu = GObject.registerClass({
    }
 });

-export var Preview = GObject.registerClass({
+export const Preview = GObject.registerClass({
 }, class Preview extends St.Widget {

    _init(previewMenu) {
@@ -1112,7 +1112,7 @@ export var Preview = GObject.registerClass({
    }
 });

-export var WindowCloneLayout = GObject.registerClass({
+export const WindowCloneLayout = GObject.registerClass({
 }, class WindowCloneLayout extends Clutter.BinLayout {

    _init(frameRect, bufferRect) {