Fixes warnings in eslint (#179)

.eslintrc.js

@@ -1,28 +1,29 @@
 module.exports = {
-  extends: [
-    "plugin:prettier/recommended" // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
-  ],
-  parserOptions: {
-    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
-    sourceType: "module" // Allows for the use of imports
-  },
-  overrides: [
-    {
-      files: ["*.ts", "*.tsx"],
-      parser: "@typescript-eslint/parser", // Specifies the ESLint parser
-      extends: [
-        "plugin:@typescript-eslint/recommended", // Uses the recommended rules from the @typescript-eslint/eslint-plugin
-        "prettier/@typescript-eslint", // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
-        "plugin:prettier/recommended" // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
-      ],
-      parserOptions: {
+    extends: [
+        'plugin:prettier/recommended', // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
+    ],
+    parserOptions: {
         ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
-        sourceType: "module" // Allows for the use of imports
-      },
-      rules: {
-        "@typescript-eslint/camelcase": 0,
-        "@typescript-eslint/no-var-requires": 0
-      }
-    }
-  ]
+        sourceType: 'module', // Allows for the use of imports
+    },
+    overrides: [
+        {
+            files: ['*.ts', '*.tsx'],
+            parser: '@typescript-eslint/parser', // Specifies the ESLint parser
+            extends: [
+                'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin
+                'prettier/@typescript-eslint', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
+                'plugin:prettier/recommended', // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
+            ],
+            parserOptions: {
+                ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
+                sourceType: 'module', // Allows for the use of imports
+            },
+            rules: {
+                '@typescript-eslint/camelcase': 0,
+                '@typescript-eslint/no-var-requires': 0,
+                '@typescript-eslint/no-explicit-any': 0,
+            },
+        },
+    ],
 };

src/lib/QtCore/QObject/index.ts

@@ -1,7 +1,7 @@
 import { EventWidget } from '../../core/EventWidget';
 
 export abstract class QObject extends EventWidget {
-    inherits(className: string) {
+    inherits(className: string): boolean {
         return this.native.inherits(className);
     }
 }

src/lib/QtGui/QApplication/index.ts

@@ -14,29 +14,29 @@ export class QApplication extends Component {
             this.native = new addon.QApplication();
         }
     }
-    static clipboard = (): QClipboard => {
+    static clipboard(): QClipboard {
         return new QClipboard(addon.QApplication.clipboard());
-    };
-    processEvents = () => {
+    }
+    processEvents(): void {
         this.native.processEvents();
-    };
-    exec = (): number => {
+    }
+    exec(): number {
         return this.native.exec();
-    };
-    static instance = (): QApplication => {
+    }
+    static instance(): QApplication {
         const nativeQApp = addon.QApplication.instance();
         return new QApplication(nativeQApp);
-    };
-    quit = () => {
+    }
+    quit(): number {
         return this.native.quit();
-    };
-    exit = (exitCode: number) => {
+    }
+    exit(exitCode: number): number {
         return this.native.exit(exitCode);
-    };
-    setQuitOnLastWindowClosed = (quit: boolean) => {
+    }
+    setQuitOnLastWindowClosed(quit: boolean): void {
         this.native.setQuitOnLastWindowClosed(quit);
-    };
-    quitOnLastWindowClosed = () => {
+    }
+    quitOnLastWindowClosed(): boolean {
         return this.native.quitOnLastWindowClosed();
-    };
+    }
 }

src/lib/QtGui/QClipboard/index.ts

@@ -11,15 +11,15 @@ export class QClipboard extends Component {
             throw new Error('QClipboard cannot be initialised this way. Use QApplication::clipboard()');
         }
     }
-    clear = (mode: QClipboardMode) => {
+    clear(mode: QClipboardMode): void {
         this.native.clear(mode);
-    };
-    setText = (text: string, mode: QClipboardMode) => {
+    }
+    setText(text: string, mode: QClipboardMode): void {
         this.native.setText(text, mode);
-    };
-    text = (mode: QClipboardMode): string => {
+    }
+    text(mode: QClipboardMode): string {
         return this.native.text(mode);
-    };
+    }
 }
 
 export enum QClipboardMode {

src/lib/QtGui/QCursor/index.ts

@@ -13,10 +13,10 @@ export class QCursor extends Component {
             this.native = new addon.QCursor();
         }
     }
-    pos = (): { x: number; y: number } => {
+    pos(): { x: number; y: number } {
         return this.native.pos();
-    };
-    setPos = (x: number, y: number) => {
+    }
+    setPos(x: number, y: number): void {
         return this.native.setPos(x, y);
-    };
+    }
 }

src/lib/QtGui/QIcon/index.ts

@@ -41,7 +41,7 @@ export class QIcon extends Component {
         return this.native.isMask();
     }
 
-    setIsMask(isMask: boolean) {
+    setIsMask(isMask: boolean): void {
         this.native.setIsMask(isMask);
     }
 }

src/lib/QtWidgets/QAbstractScrollArea/index.ts

@@ -2,14 +2,14 @@ import { NodeWidget, QWidget } from '../QWidget';
 
 export abstract class QAbstractScrollArea extends NodeWidget {
     viewportWidget?: NodeWidget;
-    setViewport = (widget: NodeWidget) => {
+    setViewport(widget: NodeWidget): void {
         this.viewportWidget = widget;
         this.native.setViewport(widget.native);
-    };
-    viewport = (): QWidget => {
+    }
+    viewport(): QWidget {
         if (!this.viewportWidget) {
             this.viewportWidget = new QWidget(this.native.viewport());
         }
         return this.viewportWidget;
-    };
+    }
 }

src/lib/QtWidgets/QAbstractSlider/index.ts

@@ -2,28 +2,28 @@ import { NodeWidget } from '../QWidget';
 import { Orientation } from '../../QtEnums';
 
 export abstract class QAbstractSlider extends NodeWidget {
-    setSingleStep = (step: number) => {
+    setSingleStep(step: number): void {
         this.native.setSingleStep(step);
-    };
-    setMaximum(maximum: number) {
+    }
+    setMaximum(maximum: number): void {
         this.native.setMaximum(maximum);
     }
     maximum(): number {
         return this.native.maximum();
     }
-    setMinimum(minimum: number) {
+    setMinimum(minimum: number): void {
         this.native.setMinimum(minimum);
     }
     minimum(): number {
         return this.native.minimum();
     }
-    setValue(value: number) {
+    setValue(value: number): void {
         this.native.setValue(value);
     }
     value(): number {
         return this.native.value();
     }
-    setOrientation(orientation: Orientation) {
+    setOrientation(orientation: Orientation): void {
         this.native.setOrientation(orientation);
     }
 }

src/lib/QtWidgets/QAction/index.ts

@@ -27,42 +27,42 @@ export class QAction extends QObject {
         super(native);
         this.native = native;
     }
-    setText(text: string) {
+    setText(text: string): void {
         this.native.setText(text);
     }
-    setEnabled(enabled: boolean) {
+    setEnabled(enabled: boolean): void {
         this.native.setEnabled(enabled);
     }
-    setIcon(icon: QIcon) {
+    setIcon(icon: QIcon): void {
         this.icon = icon;
         this.native.setIcon(icon.native);
     }
-    setMenu(menu: QMenu) {
+    setMenu(menu: QMenu): void {
         this.menu = menu;
         this.native.setMenu(menu.native);
     }
-    setShortcut(keysequence: QKeySequence) {
+    setShortcut(keysequence: QKeySequence): void {
         this.native.setShortcut(keysequence.native);
     }
-    setShortcutContext(shortcutContext: ShortcutContext) {
+    setShortcutContext(shortcutContext: ShortcutContext): void {
         this.native.setShortcutContext(shortcutContext);
     }
     isCheckable(): boolean {
         return this.native.isCheckable();
     }
-    setCheckable(isCheckable: boolean) {
+    setCheckable(isCheckable: boolean): void {
         this.native.setCheckable(isCheckable);
     }
     isChecked(): boolean {
         return this.native.isChecked();
     }
-    setChecked(isChecked: boolean) {
+    setChecked(isChecked: boolean): void {
         this.native.setChecked(isChecked);
     }
     isSeparator(): boolean {
         return this.native.isSeparator();
     }
-    setSeparator(isSeparator: boolean) {
+    setSeparator(isSeparator: boolean): void {
         this.native.setSeparator(isSeparator);
     }
 }

src/lib/QtWidgets/QCheckBox/index.ts

@@ -19,18 +19,14 @@ export class QCheckBox extends NodeWidget {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setText.bind(this);
-        this.setChecked.bind(this);
-        this.isChecked.bind(this);
     }
-    setText(text: string) {
+    setText(text: string): void {
         // react:✓ //TODO:getter
         this.native.setText(text);
     }
-    setChecked(check: boolean) {
+    setChecked(check: boolean): void {
         // react:✓
-        return this.native.setChecked(check);
+        this.native.setChecked(check);
     }
     isChecked(): boolean {
         // react:✓

src/lib/QtWidgets/QDial/index.ts

@@ -24,15 +24,8 @@ export class QDial extends QAbstractSlider {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setNotchesVisible.bind(this);
-        this.notchesVisible.bind(this);
-        this.setWrapping.bind(this);
-        this.wrapping.bind(this);
-        this.setNotchTarget.bind(this);
-        this.notchTarget.bind(this);
     }
-    setNotchesVisible(visible: boolean) {
+    setNotchesVisible(visible: boolean): void {
         // react:✓
         this.native.setNotchesVisible(visible);
     }
@@ -40,7 +33,7 @@ export class QDial extends QAbstractSlider {
         // react:✓
         return this.native.notchesVisible();
     }
-    setWrapping(on: boolean) {
+    setWrapping(on: boolean): void {
         // react:✓
         this.native.setWrapping(on);
     }
@@ -48,7 +41,7 @@ export class QDial extends QAbstractSlider {
         // react:✓
         return this.native.wrapping();
     }
-    setNotchTarget(target: number) {
+    setNotchTarget(target: number): void {
         // react:✓
         this.native.setNotchTarget(target);
     }

src/lib/QtWidgets/QGridLayout/index.ts

@@ -14,12 +14,12 @@ export class QGridLayout extends NodeLayout {
             this.native = new addon.QGridLayout();
         }
     }
-    addWidget = (widget: NodeWidget) => {
+    addWidget(widget: NodeWidget): void {
         this.native.addWidget(widget.native);
         this.nodeChildren.add(widget);
-    };
-    removeWidget = (widget: NodeWidget) => {
+    }
+    removeWidget(widget: NodeWidget): void {
         this.native.removeWidget(widget.native);
         this.nodeChildren.delete(widget);
-    };
+    }
 }

src/lib/QtWidgets/QLabel/index.ts

@@ -21,26 +21,26 @@ export class QLabel extends NodeWidget {
         this.native = native;
         this.nodeParent = parent;
     }
-    setWordWrap(on: boolean) {
+    setWordWrap(on: boolean): void {
         this.native.setWordWrap(on);
     }
     wordWrap(): boolean {
         return this.native.wordWrap();
     }
-    setText(text: string | number) {
+    setText(text: string | number): void {
         this.native.setText(`${text}`);
     }
-    text() {
+    text(): string {
         return this.native.text();
     }
-    setPixmap(pixMap: QPixmap) {
+    setPixmap(pixMap: QPixmap): void {
         this.native.setPixmap(pixMap.native);
         this._pixmap = pixMap;
     }
-    pixmap() {
+    pixmap(): QPixmap | undefined {
         return this._pixmap;
     }
-    setOpenExternalLinks(open: boolean) {
+    setOpenExternalLinks(open: boolean): void {
         this.native.setOpenExternalLinks(open);
     }
 }

src/lib/QtWidgets/QLayout/index.ts

@@ -4,16 +4,16 @@ import { NodeWidget } from '../QWidget';
 // All Layouts should extend this abstract class.
 export abstract class NodeLayout extends Component {
     type = 'layout';
-    abstract addWidget: (childWidget: NodeWidget, ...args: any[]) => void;
+    abstract addWidget(childWidget: NodeWidget, ...args: any[]): void;
     activate = (): boolean => {
         return this.native.activate();
     };
-    invalidate = () => {
+    invalidate(): void {
         this.native.invalidate();
-    };
-    update = () => {
+    }
+    update(): void {
         this.native.update();
-    };
+    }
 }
 
 // export class QLayout extends NodeLayout { //Dont need QLayout for now

src/lib/QtWidgets/QLineEdit/index.ts

@@ -26,14 +26,8 @@ export class QLineEdit extends NodeWidget {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setText.bind(this);
-        this.text.bind(this);
-        this.setPlaceholderText.bind(this);
-        this.setReadOnly.bind(this);
-        this.clear.bind(this);
     }
-    setText(text: string) {
+    setText(text: string): void {
         // react:✓
         text && this.native.setText(text);
     }
@@ -41,16 +35,16 @@ export class QLineEdit extends NodeWidget {
         // react:✓
         return this.native.text();
     }
-    setPlaceholderText(text: string) {
+    setPlaceholderText(text: string): void {
         // react:✓ TODO://getter
         this.placeholderText = text;
         this.native.setPlaceholderText(text);
     }
-    setReadOnly(isReadOnly: boolean) {
+    setReadOnly(isReadOnly: boolean): void {
         // react:✓ TODO://getter
         this.native.setReadOnly(isReadOnly);
     }
-    clear() {
+    clear(): void {
         // react:✓
         this.native.clear();
     }

src/lib/QtWidgets/QMainWindow/index.ts

@@ -12,7 +12,6 @@ export class QMainWindow extends NodeWidget {
     native: NativeElement;
     public centralWidget?: NodeWidget;
     private _menuBar?: QMenuBar;
-    private _menuBarWidget?: NodeWidget;
     constructor(parent?: NodeWidget) {
         let native;
         if (parent) {
@@ -25,7 +24,7 @@ export class QMainWindow extends NodeWidget {
         this.nodeParent = parent;
         // bind member functions
         this.setCentralWidget.bind(this);
-        this.setLayout = (parentLayout: NodeLayout) => {
+        this.setLayout = (parentLayout: NodeLayout): void => {
             if (this.centralWidget) {
                 this.centralWidget.setLayout(parentLayout);
             } else {
@@ -34,29 +33,29 @@ export class QMainWindow extends NodeWidget {
             }
         };
     }
-    setCentralWidget(widget: NodeWidget) {
+    setCentralWidget(widget: NodeWidget): void {
         // react:✓
         this.native.setCentralWidget(widget.native, widget.getFlexNode());
         this.centralWidget = widget;
     }
-    setMenuBar(menuBar: QMenuBar) {
+    setMenuBar(menuBar: QMenuBar): void {
         this.native.setMenuBar(menuBar.native);
         this._menuBar = menuBar;
     }
     menuBar(): QMenuBar | undefined {
         return this._menuBar;
     }
-    setMenuWidget(menuWidget: NodeWidget) {
+    setMenuWidget(menuWidget: NodeWidget): void {
         this.native.setMenuWidget(menuWidget.native);
     }
-    get layout() {
+    get layout(): NodeLayout | undefined {
         if (this.centralWidget) {
             return this.centralWidget.layout;
         } else {
             return super.layout;
         }
     }
-    center() {
+    center(): void {
         this.native.center();
     }
 }

src/lib/QtWidgets/QMenu.ts

@@ -22,7 +22,7 @@ export class QMenu extends NodeWidget {
         this.nodeParent = parent;
         this.actions = new Set();
     }
-    setTitle(title: string) {
+    setTitle(title: string): void {
         this.native.setTitle(title);
     }
     addAction(action: QAction): QAction {

src/lib/QtWidgets/QMenuBar.ts

@@ -29,10 +29,10 @@ export class QMenuBar extends NodeWidget {
         this.nodeParent = parent;
     }
 
-    addMenu(menu: QMenu) {
+    addMenu(menu: QMenu): void {
         this.native.addMenu(menu.native);
     }
-    setNativeMenuBar(nativeMenuBar: boolean) {
+    setNativeMenuBar(nativeMenuBar: boolean): void {
         this.native.setNativeMenuBar(nativeMenuBar);
     }
 }

src/lib/QtWidgets/QPlainTextEdit/index.ts

@@ -34,22 +34,12 @@ export class QPlainTextEdit extends QAbstractScrollArea {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setPlainText.bind(this);
-        this.setPlaceholderText.bind(this);
-        this.toPlainText.bind(this);
-        this.setReadOnly.bind(this);
-        this.clear.bind(this);
-        this.setWordWrapMode.bind(this);
-        this.wordWrapMode.bind(this);
-        this.setLineWrapMode.bind(this);
-        this.lineWrapMode.bind(this);
     }
-    setPlainText(text: string | number) {
+    setPlainText(text: string | number): void {
         // react:✓
         this.native.setPlainText(`${text}`);
     }
-    setPlaceholderText(text: string) {
+    setPlaceholderText(text: string): void {
         // react:✓, //TODO:getter
         this.placeholderText = text;
         this.native.setPlaceholderText(text);
@@ -58,21 +48,21 @@ export class QPlainTextEdit extends QAbstractScrollArea {
         // react:✓
         return this.native.toPlainText();
     }
-    setReadOnly(isReadOnly: boolean) {
+    setReadOnly(isReadOnly: boolean): void {
         // react:✓
         this.native.setReadOnly(isReadOnly);
     }
-    clear() {
+    clear(): void {
         // react:✓
         this.native.clear();
     }
-    setWordWrapMode(mode: QTextOptionWrapMode) {
+    setWordWrapMode(mode: QTextOptionWrapMode): void {
         this.native.setWordWrapMode(mode);
     }
     wordWrapMode(): QTextOptionWrapMode {
         return this.native.wordWrapMode();
     }
-    setLineWrapMode(mode: LineWrapMode) {
+    setLineWrapMode(mode: LineWrapMode): void {
         this.native.setLineWrapMode(mode);
     }
     lineWrapMode(): LineWrapMode {

src/lib/QtWidgets/QProgressBar/index.ts

@@ -19,14 +19,8 @@ export class QProgressBar extends NodeWidget {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setValue.bind(this);
-        this.setMinimum.bind(this);
-        this.setMaximum.bind(this);
-        this.setOrientation.bind(this);
-        this.value.bind(this);
     }
-    setValue(value: number) {
+    setValue(value: number): void {
         // react:✓
         this.native.setValue(value);
     }
@@ -34,15 +28,15 @@ export class QProgressBar extends NodeWidget {
         // react:✓
         return this.native.value();
     }
-    setMinimum(min: number) {
+    setMinimum(min: number): void {
         // react:✓ TODO://getter
         this.native.setMinimum(min);
     }
-    setMaximum(max: number) {
+    setMaximum(max: number): void {
         // react:✓ TODO://getter
         this.native.setMaximum(max);
     }
-    setOrientation(orientation: Orientation) {
+    setOrientation(orientation: Orientation): void {
         // react:✓ TODO://getter
         this.native.setOrientation(orientation);
     }

src/lib/QtWidgets/QPushButton/index.ts

@@ -24,19 +24,16 @@ export class QPushButton extends NodeWidget {
         super(native);
         this.nodeParent = parent;
         this.native = native;
-        // bind member functions
-        this.setText.bind(this);
-        this.setFlat.bind(this);
     }
-    setText(text: string | number) {
+    setText(text: string | number): void {
         // react:✓, //TODO:getter
         this.native.setText(`${text}`);
     }
-    setFlat(isFlat: boolean) {
+    setFlat(isFlat: boolean): void {
         // react:✓, //TODO:getter
         this.native.setFlat(isFlat);
     }
-    setIcon(icon: QIcon) {
+    setIcon(icon: QIcon): void {
         // react:✓, //TODO:getter
         this.native.setIcon(icon.native);
     }

src/lib/QtWidgets/QRadioButton/index.ts

@@ -21,7 +21,7 @@ export class QRadioButton extends NodeWidget {
         // bind member functions
         this.setText.bind(this);
     }
-    setText(text: string | number) {
+    setText(text: string | number): void {
         // react:✓ TODO://getter
         this.native.setText(`${text}`);
     }

src/lib/QtWidgets/QScrollArea/index.ts

@@ -20,11 +20,8 @@ export class QScrollArea extends QAbstractScrollArea {
         super(native);
         this.native = native;
         this.nodeParent = parent;
-        // bind member functions
-        this.setWidget.bind(this);
-        this.takeWidget.bind(this);
     }
-    setWidget(widget: NodeWidget) {
+    setWidget(widget: NodeWidget): void {
         // react:✓, //TODO:getter
         this.contentWidget = widget;
         this.native.setWidget(widget.native);
@@ -39,7 +36,7 @@ export class QScrollArea extends QAbstractScrollArea {
         }
         return null;
     }
-    setWidgetResizable(resizable: boolean) {
+    setWidgetResizable(resizable: boolean): void {
         this.native.setWidgetResizable(resizable);
     }
     widgetResizable(): boolean {

src/lib/QtWidgets/QShortcut/index.ts

@@ -17,16 +17,16 @@ export class QShortcut extends QObject {
         super(native);
         this.native = native;
     }
-    setEnabled(enabled: boolean) {
+    setEnabled(enabled: boolean): void {
         this.native.setEnabled(enabled);
     }
-    setAutoRepeat(on: boolean) {
+    setAutoRepeat(on: boolean): void {
         this.native.setAutoRepeat(on);
     }
-    setKey(keysequence: QKeySequence) {
+    setKey(keysequence: QKeySequence): void {
         this.native.setKey(keysequence.native);
     }
-    setContext(shortcutContext: ShortcutContext) {
+    setContext(shortcutContext: ShortcutContext): void {
         this.native.setContext(shortcutContext);
     }
 }

src/lib/QtWidgets/QSpinBox/index.ts

@@ -2,7 +2,6 @@ import addon from '../../utils/addon';
 import { NodeWidget } from '../QWidget';
 import { BaseWidgetEvents } from '../../core/EventWidget';
 import { NativeElement } from '../../core/Component';
-import { QIcon } from '../../QtGui/QIcon';
 
 export const QSpinBoxEvents = Object.freeze({
     ...BaseWidgetEvents,
@@ -21,22 +20,12 @@ export class QSpinBox extends NodeWidget {
         super(native);
         this.nodeParent = parent;
         this.native = native;
-        // bind member functions
-        this.setPrefix.bind(this);
-        this.setSuffix.bind(this);
-        this.cleanText.bind(this);
-        this.setSingleStep.bind(this);
-        this.setRange.bind(this);
-        this.maximum.bind(this);
-        this.minimum.bind(this);
-        this.setValue.bind(this);
-        this.value.bind(this);
     }
-    setPrefix(prefix: string) {
+    setPrefix(prefix: string): void {
         // react:✓
         this.native.setPrefix(prefix);
     }
-    setSuffix(suffix: string) {
+    setSuffix(suffix: string): void {
         // react:✓
         this.native.setSuffix(suffix);
     }
@@ -44,11 +33,11 @@ export class QSpinBox extends NodeWidget {
         // react:✓
         return this.native.cleanText();
     }
-    setSingleStep(val: number) {
+    setSingleStep(val: number): void {
         // react:✓
         this.native.setSingleStep(val);
     }
-    setRange(minimum: number, maximum: number) {
+    setRange(minimum: number, maximum: number): void {
         // react:✓
         this.native.setRange(minimum, maximum);
     }
@@ -60,7 +49,7 @@ export class QSpinBox extends NodeWidget {
         // react:✓
         return this.native.minimum();
     }
-    setValue(val: number) {
+    setValue(val: number): void {
         // react:✓
         this.native.setValue(val);
     }

src/lib/QtWidgets/QSystemTrayIcon/index.ts

@@ -22,22 +22,22 @@ export class QSystemTrayIcon extends QObject {
         super(native);
         this.native = native;
     }
-    show() {
+    show(): void {
         this.native.show();
     }
-    hide() {
+    hide(): void {
         this.native.hide();
     }
-    setIcon(icon: QIcon) {
+    setIcon(icon: QIcon): void {
         this.native.setIcon(icon.native);
     }
     isVisible(): boolean {
         return this.native.isVisible();
     }
-    setToolTip(tooltip: string) {
+    setToolTip(tooltip: string): void {
         this.native.setToolTip(tooltip);
     }
-    setContextMenu(menu: QMenu) {
+    setContextMenu(menu: QMenu): void {
         this.contextMenu = menu;
         this.native.setContextMenu(this.contextMenu.native);
     }

src/lib/QtWidgets/QTabWidget/index.ts

@@ -29,16 +29,16 @@ export class QTabWidget extends NodeWidget {
         this.addTab.bind(this);
     }
 
-    addTab(page: NodeWidget, icon: QIcon, label: string) {
+    addTab(page: NodeWidget, icon: QIcon, label: string): void {
         this.nodeChildren.add(page);
         this.native.addTab(page.native, icon.native, label);
     }
 
-    setTabPosition(tabPosition: TabPosition) {
+    setTabPosition(tabPosition: TabPosition): void {
         this.native.setTabPosition(tabPosition);
     }
 
-    setCurrentIndex(index: number) {
+    setCurrentIndex(index: number): void {
         this.native.setCurrentIndex(index);
     }
 
@@ -46,11 +46,11 @@ export class QTabWidget extends NodeWidget {
         return this.native.currentIndex();
     }
 
-    removeTab(index: number) {
+    removeTab(index: number): void {
         this.native.removeTab(index);
     }
 
-    setTabsClosable(closeable: boolean) {
+    setTabsClosable(closeable: boolean): void {
         this.native.setTabsClosable(closeable);
     }
 }

src/lib/QtWidgets/QWidget/index.ts

@@ -15,109 +15,109 @@ import { YogaWidget } from '../../core/YogaWidget';
 export abstract class NodeWidget extends YogaWidget {
     layout?: NodeLayout;
     type = 'widget';
-    show() {
+    show(): void {
         this.native.show();
     }
-    hide() {
+    hide(): void {
         this.native.hide();
     }
     isVisible(): boolean {
         return this.native.isVisible();
     }
-    close() {
+    close(): boolean {
         return this.native.close();
     }
-    async setStyleSheet(styleSheet: string) {
+    async setStyleSheet(styleSheet: string): Promise<void> {
         const preparedSheet = await StyleSheet.create(styleSheet);
         await applyStyleSheet(this, preparedSheet);
     }
     styleSheet(): string {
         return this.native.styleSheet();
     }
-    async setInlineStyle(style: string) {
+    async setInlineStyle(style: string): Promise<void> {
         const preparedSheet = await prepareInlineStyleSheet(this, style);
         await applyStyleSheet(this, preparedSheet);
     }
-    setGeometry(x: number, y: number, w: number, h: number) {
+    setGeometry(x: number, y: number, w: number, h: number): void {
         this.native.setGeometry(x, y, w, h);
     }
     geometry(): Rect {
         return this.native.geometry();
     }
-    setObjectName(objectName: string) {
+    setObjectName(objectName: string): void {
         this.native.setObjectName(objectName);
     }
     objectName(): string {
         return this.native.objectName();
     }
-    setMouseTracking(isMouseTracked: boolean) {
+    setMouseTracking(isMouseTracked: boolean): void {
         this.native.setMouseTracking(isMouseTracked);
     }
     hasMouseTracking(): boolean {
         return this.native.hasMouseTracking();
     }
-    setEnabled(enabled: boolean) {
+    setEnabled(enabled: boolean): void {
         this.native.setEnabled(enabled);
     }
     isEnabled(): boolean {
         return this.native.isEnabled();
     }
-    setWindowOpacity(opacity: number) {
+    setWindowOpacity(opacity: number): void {
         this.native.setWindowOpacity(opacity);
     }
-    windowOpacity() {
+    windowOpacity(): number {
         return this.native.windowOpacity();
     }
-    setWindowTitle(title: string) {
+    setWindowTitle(title: string): void {
         //TODO:getter
         return this.native.setWindowTitle(title);
     }
-    setWindowState(state: WindowState) {
+    setWindowState(state: WindowState): void {
         //TODO:getter
         return this.native.setWindowState(state);
     }
-    setCursor(cursor: CursorShape | QCursor) {
+    setCursor(cursor: CursorShape | QCursor): void {
         //TODO:getter
         this.native.setCursor(cursor);
     }
-    setWindowIcon(icon: QIcon) {
+    setWindowIcon(icon: QIcon): void {
         //TODO:getter
         this.native.setWindowIcon(icon.native);
     }
-    setMinimumSize(minw: number, minh: number) {
+    setMinimumSize(minw: number, minh: number): void {
         this.native.setMinimumSize(minw, minh);
     }
-    setMaximumSize(maxw: number, maxh: number) {
+    setMaximumSize(maxw: number, maxh: number): void {
         this.native.setMaximumSize(maxw, maxh);
     }
-    setFixedSize(width: number, height: number) {
+    setFixedSize(width: number, height: number): void {
         this.native.setFixedSize(width, height);
     }
-    resize(width: number, height: number) {
+    resize(width: number, height: number): void {
         this.native.resize(width, height);
     }
     size(): { width: number; height: number } {
         return this.native.size();
     }
-    move(x: number, y: number) {
+    move(x: number, y: number): void {
         this.native.move(x, y);
     }
     pos(): { x: number; y: number } {
         return this.native.pos();
     }
-    repaint() {
+    repaint(): void {
         // react:⛔️
         this.native.repaint();
     }
-    update() {
+    update(): void {
         // react:⛔️
         this.native.update();
     }
-    updateGeometry() {
+    updateGeometry(): void {
         // react:⛔️
         this.native.updateGeometry();
     }
-    setAttribute(attribute: WidgetAttribute, switchOn: boolean) {
+    setAttribute(attribute: WidgetAttribute, switchOn: boolean): void {
         // react:⛔️
         return this.native.setAttribute(attribute, switchOn);
     }
@@ -125,11 +125,11 @@ export abstract class NodeWidget extends YogaWidget {
         // react:⛔️
         return this.native.testAttribute(attribute);
     }
-    setWindowFlag(windowType: WindowType, switchOn: boolean) {
+    setWindowFlag(windowType: WindowType, switchOn: boolean): void {
         // react:⛔️
         return this.native.setWindowFlag(windowType, switchOn);
     }
-    setLayout(parentLayout: NodeLayout) {
+    setLayout(parentLayout: NodeLayout): void {
         const flexLayout = parentLayout as FlexLayout;
         if (flexLayout.setFlexNode) {
             //if flex layout set the flexnode

src/lib/core/EventWidget/index.ts

@@ -14,12 +14,12 @@ export abstract class EventWidget extends Component {
         }
     }
 
-    addEventListener = (eventType: string, callback: (payload?: NativeEvent | any) => void) => {
+    addEventListener(eventType: string, callback: (payload?: NativeEvent | any) => void): void {
         this.native.subscribeToQtEvent(eventType);
         this.emitter.addListener(eventType, callback);
-    };
+    }
 
-    removeEventListener = (eventType: string, callback?: (payload?: NativeEvent | any) => void) => {
+    removeEventListener(eventType: string, callback?: (payload?: NativeEvent | any) => void): void {
         if (callback) {
             this.emitter.removeListener(eventType, callback);
         } else {
@@ -28,7 +28,7 @@ export abstract class EventWidget extends Component {
         if (this.emitter.listenerCount(eventType) < 1) {
             this.native.unSubscribeToQtEvent(eventType);
         }
-    };
+    }
 }
 
 export const BaseWidgetEvents = Object.freeze({

src/lib/core/FlexLayout/index.ts

@@ -8,35 +8,35 @@ export class FlexLayout extends NodeLayout {
     native: NativeElement = new addon.FlexLayout();
     protected flexNode?: FlexNode;
 
-    addWidget = (childWidget: NodeWidget, childFlexNode?: FlexNode) => {
+    addWidget(childWidget: NodeWidget, childFlexNode?: FlexNode): void {
         const childYogaNode = childFlexNode || childWidget.getFlexNode();
         this.nodeChildren.add(childWidget);
         this.native.addWidget(childWidget.native, childYogaNode);
-    };
+    }
 
-    insertChildBefore = (
+    insertChildBefore(
         childWidget: NodeWidget,
         beforeChildWidget: NodeWidget,
         childFlexNode?: FlexNode,
         beforeChildFlexNode?: FlexNode,
-    ) => {
+    ): void {
         const childYogaNode = childFlexNode || childWidget.getFlexNode();
         const beforeChildYogaNode = beforeChildFlexNode || beforeChildWidget.getFlexNode();
         this.nodeChildren.add(childWidget); // No orderer required yet, so just inserting at the end.
         this.native.insertChildBefore(childWidget.native, beforeChildYogaNode, childYogaNode);
-    };
+    }
 
-    removeWidget = (childWidget: NodeWidget, childFlexNode?: FlexNode) => {
+    removeWidget(childWidget: NodeWidget, childFlexNode?: FlexNode): void {
         if (!this.nodeChildren.has(childWidget)) {
             return;
         }
         const childYogaNode = childFlexNode || childWidget.getFlexNode();
         this.nodeChildren.delete(childWidget);
         this.native.removeWidget(childWidget.native, childYogaNode);
-    };
+    }
 
-    setFlexNode = (flexNode: FlexNode) => {
+    setFlexNode(flexNode: FlexNode): void {
         this.flexNode = flexNode;
         this.native.setFlexNode(flexNode);
-    };
+    }
 }

src/lib/core/Style/StyleSheet.ts

@@ -14,7 +14,7 @@ export class StyleSheet {
     };
 }
 
-export const prepareInlineStyleSheet = async (widget: NodeWidget, rawStyle: string) => {
+export async function prepareInlineStyleSheet(widget: NodeWidget, rawStyle: string): Promise<string> {
     const inlineStyle = await StyleSheet.create(rawStyle);
     // Make sure to not calculate ObjectName in the same pass of event loop as other props (incase of react) since the order will matter in that case
     // So doing it in multiple passes of event loop allows objectName to be set before using it. The above await solves it.
@@ -28,9 +28,9 @@ export const prepareInlineStyleSheet = async (widget: NodeWidget, rawStyle: stri
         ${inlineStyle}
       }
   `;
-};
+}
 
-export const applyStyleSheet = async (widget: NodeWidget, styleSheet: string) => {
+export async function applyStyleSheet(widget: NodeWidget, styleSheet: string): Promise<void> {
     widget.native.setStyleSheet(styleSheet);
     widget.layout ? widget.layout.update() : widget.update();
-};
+}

src/lib/core/bootstrap.ts

@@ -9,21 +9,23 @@
     This is required inorder to make the timers work nicely due to merger of event loops
 */
 
-const noop = () => {};
+function noop(): void {
+    return;
+}
 
 const wrapWithActivateUvLoop = (func: Function) => {
-    return (...args: any[]) => {
+    return (...args: any[]): any => {
         const activateUvLoop = (process as any).activateUvLoop || noop;
         activateUvLoop();
         return func(...args);
     };
 };
 
-const main = () => {
+function main(): void {
     process.nextTick = wrapWithActivateUvLoop(process.nextTick);
     global.setImmediate = wrapWithActivateUvLoop(global.setImmediate);
     global.setTimeout = wrapWithActivateUvLoop(global.setTimeout);
     global.setInterval = wrapWithActivateUvLoop(global.setInterval);
-};
+}
 
 main();

src/lib/utils/helpers.ts

@@ -1,6 +1,6 @@
 import { NativeElement } from '../core/Component';
 
-export const checkIfNativeElement = (arg: any) => {
+export function checkIfNativeElement(arg: any): boolean {
     const nativeArg = arg as NativeElement;
     return typeof nativeArg === 'object' && nativeArg.type === 'native';
-};
+}