diff --git a/packages/core/src/components/action-sheet-controller/action-sheet-controller.tsx b/packages/core/src/components/action-sheet-controller/action-sheet-controller.tsx
index 6082d2276c..c966b41c65 100644
--- a/packages/core/src/components/action-sheet-controller/action-sheet-controller.tsx
+++ b/packages/core/src/components/action-sheet-controller/action-sheet-controller.tsx
@@ -1,6 +1,6 @@
 import { Component, Listen, Method } from '@stencil/core';
 import { ActionSheetEvent, ActionSheetOptions, OverlayController } from '../../index';
-import { createOverlay, getTopOverlay, dismissOverlay, removeLastOverlay } from '../../utils/overlays';
+import { createOverlay, dismissOverlay, getTopOverlay, removeLastOverlay } from '../../utils/overlays';
 
 @Component({
   tag: 'ion-action-sheet-controller'
diff --git a/packages/core/src/components/action-sheet/action-sheet.tsx b/packages/core/src/components/action-sheet/action-sheet.tsx
index 7353e0672c..a4f7b2de3b 100644
--- a/packages/core/src/components/action-sheet/action-sheet.tsx
+++ b/packages/core/src/components/action-sheet/action-sheet.tsx
@@ -3,7 +3,7 @@ import { Animation, AnimationBuilder, Config, CssClassMap, DomController, Overla
 
 import { domControllerAsync } from '../../utils/helpers';
 import { createThemedClasses, getClassMap } from '../../utils/theme';
-import { OverlayInterface, BACKDROP, overlayAnimation } from '../../utils/overlays';
+import { BACKDROP, OverlayInterface, overlayAnimation } from '../../utils/overlays';
 
 import iosEnterAnimation from './animations/ios.enter';
 import iosLeaveAnimation from './animations/ios.leave';
@@ -139,7 +139,7 @@ export class ActionSheet implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -162,7 +162,7 @@ export class ActionSheet implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/components/alert-controller/alert-controller.tsx b/packages/core/src/components/alert-controller/alert-controller.tsx
index 66b82e777d..fbbf12bb7c 100644
--- a/packages/core/src/components/alert-controller/alert-controller.tsx
+++ b/packages/core/src/components/alert-controller/alert-controller.tsx
@@ -1,6 +1,6 @@
 import { Component, Listen, Method } from '@stencil/core';
 import { AlertEvent, AlertOptions, OverlayController } from '../../index';
-import { createOverlay, removeLastOverlay, dismissOverlay, getTopOverlay } from '../../utils/overlays';
+import { createOverlay, dismissOverlay, getTopOverlay, removeLastOverlay } from '../../utils/overlays';
 
 @Component({
   tag: 'ion-alert-controller'
diff --git a/packages/core/src/components/alert/alert.tsx b/packages/core/src/components/alert/alert.tsx
index 33c3bcf4cb..a4c89e8484 100644
--- a/packages/core/src/components/alert/alert.tsx
+++ b/packages/core/src/components/alert/alert.tsx
@@ -1,8 +1,8 @@
 import { Component, Element, Event, EventEmitter, Listen, Method, Prop } from '@stencil/core';
 import { Animation, AnimationBuilder, Config, CssClassMap, DomController, OverlayDismissEvent, OverlayDismissEventDetail } from '../../index';
-import { domControllerAsync, autoFocus } from '../../utils/helpers';
+import { autoFocus, domControllerAsync } from '../../utils/helpers';
 import { createThemedClasses, getClassMap } from '../../utils/theme';
-import { OverlayInterface, BACKDROP, overlayAnimation } from '../../utils/overlays';
+import { BACKDROP, OverlayInterface, overlayAnimation } from '../../utils/overlays';
 
 import iosEnterAnimation from './animations/ios.enter';
 import iosLeaveAnimation from './animations/ios.leave';
@@ -146,7 +146,7 @@ export class Alert implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -169,7 +169,7 @@ export class Alert implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
@@ -282,7 +282,7 @@ export class Alert implements OverlayInterface {
                 {i.label}
               </div>
             </div>
-            {this.mode==="md" ? <ion-ripple-effect /> : null}
+            {this.mode === 'md' ? <ion-ripple-effect /> : null}
           </button>
         ))}
       </div>
@@ -302,7 +302,7 @@ export class Alert implements OverlayInterface {
                 {i.label}
               </div>
             </div>
-            {this.mode==="md" ? <ion-ripple-effect /> : null}
+            {this.mode === 'md' ? <ion-ripple-effect /> : null}
           </button>
         ))}
       </div>
diff --git a/packages/core/src/components/backdrop/backdrop.tsx b/packages/core/src/components/backdrop/backdrop.tsx
index 3554382bfe..23201c6ebb 100644
--- a/packages/core/src/components/backdrop/backdrop.tsx
+++ b/packages/core/src/components/backdrop/backdrop.tsx
@@ -73,7 +73,7 @@ function registerBackdrop(backdrop: any) {
 
 function unregisterBackdrop(backdrop: any) {
   activeBackdrops.delete(backdrop);
-  if(activeBackdrops.size === 0) {
+  if (activeBackdrops.size === 0) {
     document.body.classList.remove(BACKDROP_NO_SCROLL);
   }
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/components/gesture-controller/gesture-controller-utils.ts b/packages/core/src/components/gesture-controller/gesture-controller-utils.ts
index 1f0daf4b0e..1b5d037d5d 100644
--- a/packages/core/src/components/gesture-controller/gesture-controller-utils.ts
+++ b/packages/core/src/components/gesture-controller/gesture-controller-utils.ts
@@ -1,4 +1,4 @@
-import { GestureController } from "./gesture-controller";
+import { GestureController } from './gesture-controller';
 
 export class GestureDelegate {
   private ctrl: GestureController|null;
diff --git a/packages/core/src/components/gesture-controller/gesture-controller.tsx b/packages/core/src/components/gesture-controller/gesture-controller.tsx
index a7eacbd719..1af506911c 100644
--- a/packages/core/src/components/gesture-controller/gesture-controller.tsx
+++ b/packages/core/src/components/gesture-controller/gesture-controller.tsx
@@ -1,5 +1,5 @@
 import { Component, Event, EventEmitter, Method } from '@stencil/core';
-import { GestureConfig, GestureDelegate, BlockerConfig, BlockerDelegate } from './gesture-controller-utils';
+import { BlockerConfig, BlockerDelegate, GestureConfig, GestureDelegate } from './gesture-controller-utils';
 
 
 @Component({
diff --git a/packages/core/src/components/gesture-controller/test/gesture-controller.spec.tsx b/packages/core/src/components/gesture-controller/test/gesture-controller.spec.tsx
index c3e85341ff..1693a7f83b 100644
--- a/packages/core/src/components/gesture-controller/test/gesture-controller.spec.tsx
+++ b/packages/core/src/components/gesture-controller/test/gesture-controller.spec.tsx
@@ -241,7 +241,7 @@ describe('gesture controller', () => {
   describe('BlockerDelegate', () => {
     it('create one', async () => {
       const c = new GestureController();
-      const b = await c.createBlocker({
+      const b = c.createBlocker({
         disableScroll: true,
         disable: ['event1', 'event2', 'event3', 'event4']
       });
@@ -251,7 +251,7 @@ describe('gesture controller', () => {
       expect(b['ctrl']).toEqual(c);
       expect(b['id']).toEqual(1);
 
-      const b2 = await c.createBlocker({
+      const b2 = c.createBlocker({
         disable: ['event2', 'event3', 'event4', 'event5']
       });
 
@@ -314,11 +314,11 @@ describe('gesture controller', () => {
       const g2 = await c.create({ name: 'goback2' });
       expect(g2.canStart()).toEqual(true);
 
-      const g3 = await c.createBlocker({
+      const g3 = c.createBlocker({
         disable: ['range', 'goback', 'something']
       });
 
-      const g4 = await c.createBlocker({
+      const g4 = c.createBlocker({
         disable: ['range']
       });
 
diff --git a/packages/core/src/components/gesture/gesture.tsx b/packages/core/src/components/gesture/gesture.tsx
index a6e8412313..f6dff99f9c 100644
--- a/packages/core/src/components/gesture/gesture.tsx
+++ b/packages/core/src/components/gesture/gesture.tsx
@@ -1,6 +1,6 @@
 import { Component, Event, EventEmitter, EventListenerEnable, Listen, Prop, Watch } from '@stencil/core';
 import { ElementRef, assert, now, updateDetail } from '../../utils/helpers';
-import { DomController, BlockerDelegate, GestureDelegate, BlockerConfig } from '../../index';
+import { BlockerConfig, BlockerDelegate, DomController, GestureDelegate } from '../../index';
 import { BLOCK_ALL } from '../gesture-controller/gesture-controller-utils';
 import { PanRecognizer } from './recognizers';
 
diff --git a/packages/core/src/components/input-shims/hacks/common.ts b/packages/core/src/components/input-shims/hacks/common.ts
index d7f2b7a9a8..a7d22828d5 100644
--- a/packages/core/src/components/input-shims/hacks/common.ts
+++ b/packages/core/src/components/input-shims/hacks/common.ts
@@ -1,10 +1,10 @@
-const RELOCATED_KEY= '$ionRelocated';
+const RELOCATED_KEY = '$ionRelocated';
 
 export function relocateInput(
   componentEl: HTMLElement,
   inputEl: HTMLInputElement,
   shouldRelocate: boolean,
-  inputRelativeY: number = 0
+  inputRelativeY = 0
 ) {
   if ((componentEl as any)[RELOCATED_KEY] === shouldRelocate) {
     return;
@@ -22,7 +22,7 @@ export function relocateInput(
     // We hide the focused input (with the visible caret) invisiable by making it scale(0),
     cloneInputComponent(componentEl, inputEl);
     const tx = document.dir === 'rtl' ? 9999 : -9999;
-    inputEl.style.transform= `translate3d(${tx}px,${inputRelativeY}px,0)`;
+    inputEl.style.transform = `translate3d(${tx}px,${inputRelativeY}px,0)`;
     // TODO
     // inputEle.style.opacity = '0';
   } else {
@@ -79,8 +79,6 @@ function cloneInputComponent(componentEl: HTMLElement, inputEl: HTMLInputElement
 
     const clonedInputEl = document.createElement('input');
     clonedInputEl.classList.add(...Array.from(inputEl.classList));
-    // Object.assign(clonedInputEl, input);
-    //const clonedInputEl = <HTMLInputElement>inputEl.cloneNode(false);
     clonedInputEl.value = inputEl.value;
     clonedInputEl.type = inputEl.type;
     clonedInputEl.placeholder = inputEl.placeholder;
diff --git a/packages/core/src/components/input-shims/hacks/hide-caret.ts b/packages/core/src/components/input-shims/hacks/hide-caret.ts
index 5b0702dce7..d1e41e59cb 100644
--- a/packages/core/src/components/input-shims/hacks/hide-caret.ts
+++ b/packages/core/src/components/input-shims/hacks/hide-caret.ts
@@ -1,9 +1,9 @@
-import { isFocused, relocateInput } from "./common";
+import { isFocused, relocateInput } from './common';
 
 
 export default function enableHideCaretOnScroll(componentEl: HTMLElement, inputEl: HTMLInputElement, scrollEl: HTMLIonScrollElement) {
-  if(!scrollEl || !inputEl) {
-    return () => {};
+  if (!scrollEl || !inputEl) {
+    return () => { return; };
   }
   console.debug('Input: enableHideCaretOnScroll');
 
diff --git a/packages/core/src/components/input-shims/hacks/input-blurring.ts b/packages/core/src/components/input-shims/hacks/input-blurring.ts
index 9cef8ac51f..84779ae3dc 100644
--- a/packages/core/src/components/input-shims/hacks/input-blurring.ts
+++ b/packages/core/src/components/input-shims/hacks/input-blurring.ts
@@ -1,4 +1,4 @@
-import { App } from "../../..";
+import { App } from '../../..';
 
 const SKIP_BLURRING = ['INPUT', 'TEXTAREA', 'ION-INPUT', 'ION-TEXTAREA'];
 
diff --git a/packages/core/src/components/input-shims/hacks/scroll-assist.ts b/packages/core/src/components/input-shims/hacks/scroll-assist.ts
index 8a314bc3e5..f47d4afca3 100644
--- a/packages/core/src/components/input-shims/hacks/scroll-assist.ts
+++ b/packages/core/src/components/input-shims/hacks/scroll-assist.ts
@@ -1,6 +1,6 @@
-import { pointerCoord } from "../../../utils/helpers";
-import { relocateInput, isFocused } from "./common";
-import { getScrollData } from "./scroll-data";
+import { pointerCoord } from '../../../utils/helpers';
+import { isFocused, relocateInput } from './common';
+import { getScrollData } from './scroll-data';
 
 
 export default function enableScrollAssist(
diff --git a/packages/core/src/components/input-shims/hacks/scroll-padding.ts b/packages/core/src/components/input-shims/hacks/scroll-padding.ts
index fc3f1deb69..0dc5e5a7fe 100644
--- a/packages/core/src/components/input-shims/hacks/scroll-padding.ts
+++ b/packages/core/src/components/input-shims/hacks/scroll-padding.ts
@@ -40,6 +40,6 @@ function setScrollPadding(input: HTMLElement, keyboardHeight: number) {
   } else {
     (el as any)[PADDING_TIMER_KEY] = setTimeout(() => {
       el.style.paddingBottom = '';
-    }, 120)
+    }, 120);
   }
 }
diff --git a/packages/core/src/components/input-shims/hacks/wip.ts b/packages/core/src/components/input-shims/hacks/wip.ts
index 73c84fb90b..81b1ee461c 100644
--- a/packages/core/src/components/input-shims/hacks/wip.ts
+++ b/packages/core/src/components/input-shims/hacks/wip.ts
@@ -17,4 +17,4 @@
 //   return () => {
 //     inputEl.removeEventListener('focus', onFocus);
 //   };
-// }
\ No newline at end of file
+// }
diff --git a/packages/core/src/components/input-shims/input-shims.tsx b/packages/core/src/components/input-shims/input-shims.tsx
index 0d27665c59..ba955e2e06 100644
--- a/packages/core/src/components/input-shims/input-shims.tsx
+++ b/packages/core/src/components/input-shims/input-shims.tsx
@@ -1,10 +1,10 @@
-import { Component, Listen, Prop } from "@stencil/core";
-import { App, Config } from "../..";
+import { Component, Listen, Prop } from '@stencil/core';
+import { App, Config } from '../..';
 
-import enableHideCaretOnScroll from "./hacks/hide-caret";
-import enableInputBlurring from "./hacks/input-blurring";
-import enableScrollAssist from "./hacks/scroll-assist";
-import enableScrollPadding from "./hacks/scroll-padding";
+import enableHideCaretOnScroll from './hacks/hide-caret';
+import enableInputBlurring from './hacks/input-blurring';
+import enableScrollAssist from './hacks/scroll-assist';
+import enableScrollPadding from './hacks/scroll-padding';
 
 const INPUT_BLURRING = true;
 const SCROLL_ASSIST = true;
@@ -45,7 +45,7 @@ export class InputShims {
     // At this point we need to look for all the ion-inputs not registered yet
     // and register them.
     const inputs = Array.from(document.querySelectorAll('ion-input'));
-    for (let input of inputs) {
+    for (const input of inputs) {
       this.registerInput(input);
     }
     this.didLoad = true;
diff --git a/packages/core/src/components/input/input.tsx b/packages/core/src/components/input/input.tsx
index 9318c56c6d..3ab9a05b08 100644
--- a/packages/core/src/components/input/input.tsx
+++ b/packages/core/src/components/input/input.tsx
@@ -1,4 +1,4 @@
-import { Component, Event, EventEmitter, Prop, Watch, Element } from '@stencil/core';
+import { Component, Element, Event, EventEmitter, Prop, Watch } from '@stencil/core';
 
 import { debounceEvent } from '../../utils/helpers';
 import { createThemedClasses } from '../../utils/theme';
diff --git a/packages/core/src/components/loading/loading.tsx b/packages/core/src/components/loading/loading.tsx
index cc4f511707..b04ca059a5 100644
--- a/packages/core/src/components/loading/loading.tsx
+++ b/packages/core/src/components/loading/loading.tsx
@@ -7,7 +7,7 @@ import iosEnterAnimation from './animations/ios.enter';
 import iosLeaveAnimation from './animations/ios.leave';
 import mdEnterAnimation from './animations/md.enter';
 import mdLeaveAnimation from './animations/md.leave';
-import { OverlayInterface, BACKDROP, overlayAnimation } from '../../utils/overlays';
+import { BACKDROP, OverlayInterface, overlayAnimation } from '../../utils/overlays';
 
 @Component({
   tag: 'ion-loading',
@@ -152,7 +152,7 @@ export class Loading implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -182,7 +182,7 @@ export class Loading implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/components/menu-button/menu-button.tsx b/packages/core/src/components/menu-button/menu-button.tsx
index 9dead27112..7f9c662a28 100644
--- a/packages/core/src/components/menu-button/menu-button.tsx
+++ b/packages/core/src/components/menu-button/menu-button.tsx
@@ -55,7 +55,7 @@ export class MenuButton {
       return (
         <ion-menu-toggle menu={this.menu} autoHide={this.autoHide}>
           <ion-button>
-            <ion-icon slot="icon-only" name={menuIcon}></ion-icon>
+            <ion-icon slot='icon-only' name={menuIcon}></ion-icon>
           </ion-button>
         </ion-menu-toggle>
       );
diff --git a/packages/core/src/components/menu/menu.tsx b/packages/core/src/components/menu/menu.tsx
index 3de9ff185e..6d1040932d 100644
--- a/packages/core/src/components/menu/menu.tsx
+++ b/packages/core/src/components/menu/menu.tsx
@@ -490,4 +490,4 @@ export interface MenuChangeEvent {
 export interface MenuChangeEventDetail {
   disabled: boolean;
   open: boolean;
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/components/modal/modal.tsx b/packages/core/src/components/modal/modal.tsx
index 2b7510ce8f..447fe3dafa 100644
--- a/packages/core/src/components/modal/modal.tsx
+++ b/packages/core/src/components/modal/modal.tsx
@@ -4,7 +4,7 @@ import { Animation, AnimationBuilder, Config, DomController, FrameworkDelegate,
 import { DomFrameworkDelegate } from '../../utils/dom-framework-delegate';
 import { domControllerAsync } from '../../utils/helpers';
 import { createThemedClasses } from '../../utils/theme';
-import { OverlayInterface, BACKDROP, overlayAnimation } from '../../utils/overlays';
+import { BACKDROP, OverlayInterface, overlayAnimation } from '../../utils/overlays';
 
 import iosEnterAnimation from './animations/ios.enter';
 import iosLeaveAnimation from './animations/ios.leave';
@@ -149,7 +149,7 @@ export class Modal implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -187,7 +187,7 @@ export class Modal implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/components/nav/nav.tsx b/packages/core/src/components/nav/nav.tsx
index 0e11421588..aebe520ef9 100644
--- a/packages/core/src/components/nav/nav.tsx
+++ b/packages/core/src/components/nav/nav.tsx
@@ -1127,7 +1127,8 @@ export function updateNavStacks(enteringView: ViewController, leavingView: ViewC
       return Promise.all(destroyQueuePromises);
     }
     return null;
-  })/*.then(() => {
+  });
+  /* .then(() => {
     // set which animation it should use if it wasn't set yet
     if (ti.requiresTransition && !ti.opts.animation) {
       ti.opts.animation = isDef(ti.removeStart)
diff --git a/packages/core/src/components/picker-controller/picker-controller.tsx b/packages/core/src/components/picker-controller/picker-controller.tsx
index cf12d0d8f5..0704c8356c 100644
--- a/packages/core/src/components/picker-controller/picker-controller.tsx
+++ b/packages/core/src/components/picker-controller/picker-controller.tsx
@@ -1,6 +1,6 @@
 import { Component, Listen, Method } from '@stencil/core';
 import { OverlayController, PickerEvent, PickerOptions } from '../../index';
-import { createOverlay, getTopOverlay, removeLastOverlay, dismissOverlay } from '../../utils/overlays';
+import { createOverlay, dismissOverlay, getTopOverlay, removeLastOverlay } from '../../utils/overlays';
 
 
 @Component({
diff --git a/packages/core/src/components/picker/picker.tsx b/packages/core/src/components/picker/picker.tsx
index 75298e0486..e21ca5244d 100644
--- a/packages/core/src/components/picker/picker.tsx
+++ b/packages/core/src/components/picker/picker.tsx
@@ -158,7 +158,7 @@ export class Picker implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -194,7 +194,7 @@ export class Picker implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/components/popover/animations/ios.enter.ts b/packages/core/src/components/popover/animations/ios.enter.ts
index da47803c38..117e286f5d 100644
--- a/packages/core/src/components/popover/animations/ios.enter.ts
+++ b/packages/core/src/components/popover/animations/ios.enter.ts
@@ -81,9 +81,9 @@ export default function iosEnterAnimation(Animation: Animation, baseEl: HTMLElem
     (targetTop - contentHeight) > 0
   ) {
     arrowCSS.top = targetTop - (arrowHeight + 1);
-    console.log(arrowCSS)
-    console.log(targetTop)
-    console.log(contentHeight)
+    console.log(arrowCSS);
+    console.log(targetTop);
+    console.log(contentHeight);
     popoverCSS.top = targetTop - contentHeight - (arrowHeight - 1);
 
     baseEl.className = baseEl.className + ' popover-bottom';
diff --git a/packages/core/src/components/popover/popover.tsx b/packages/core/src/components/popover/popover.tsx
index 6997fff2d4..71bf9d042b 100644
--- a/packages/core/src/components/popover/popover.tsx
+++ b/packages/core/src/components/popover/popover.tsx
@@ -4,7 +4,7 @@ import { Animation, AnimationBuilder, Config, DomController, FrameworkDelegate,
 import { DomFrameworkDelegate } from '../../utils/dom-framework-delegate';
 import { domControllerAsync } from '../../utils/helpers';
 import { createThemedClasses } from '../../utils/theme';
-import { OverlayInterface, BACKDROP, overlayAnimation } from '../../utils/overlays';
+import { BACKDROP, OverlayInterface, overlayAnimation } from '../../utils/overlays';
 
 import iosEnterAnimation from './animations/ios.enter';
 import iosLeaveAnimation from './animations/ios.leave';
@@ -157,7 +157,7 @@ export class Popover implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -197,7 +197,7 @@ export class Popover implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/components/scroll/scroll.tsx b/packages/core/src/components/scroll/scroll.tsx
index cf7a40c1a4..bb1b56a725 100644
--- a/packages/core/src/components/scroll/scroll.tsx
+++ b/packages/core/src/components/scroll/scroll.tsx
@@ -1,5 +1,5 @@
 import { Component, Element, Event, EventEmitter, EventListenerEnable, Listen, Method, Prop } from '@stencil/core';
-import { Config, DomController, GestureDetail, GestureDelegate } from '../../index';
+import { Config, DomController, GestureDelegate, GestureDetail } from '../../index';
 
 
 @Component({
@@ -65,7 +65,7 @@ export class Scroll {
       priority: 100,
       disableScroll: false,
     }).then((gesture) => {
-      this.gesture = gesture
+      this.gesture = gesture;
     });
   }
 
diff --git a/packages/core/src/components/select/select.tsx b/packages/core/src/components/select/select.tsx
index 90a9d7319c..93f8885700 100644
--- a/packages/core/src/components/select/select.tsx
+++ b/packages/core/src/components/select/select.tsx
@@ -522,7 +522,7 @@ export class Select {
         onBlur={this.onBlur.bind(this)}
         class='select-cover'>
         <slot></slot>
-        {this.mode==="md" ? <ion-ripple-effect /> : null}
+        {this.mode === 'md' ? <ion-ripple-effect /> : null}
       </button>,
       <input type='hidden' name={this.name} value={this.value}/>
     ];
diff --git a/packages/core/src/components/toast/toast.tsx b/packages/core/src/components/toast/toast.tsx
index 372070a7d4..cebae667e7 100644
--- a/packages/core/src/components/toast/toast.tsx
+++ b/packages/core/src/components/toast/toast.tsx
@@ -144,7 +144,7 @@ export class Toast implements OverlayInterface {
    */
   @Method()
   present(): Promise<void> {
-    if(this.presented) {
+    if (this.presented) {
       return Promise.reject('overlay already presented');
     }
     this.presented = true;
@@ -168,7 +168,7 @@ export class Toast implements OverlayInterface {
    */
   @Method()
   dismiss(data?: any, role?: string) {
-    if(!this.presented) {
+    if (!this.presented) {
       return Promise.reject('overlay is not presented');
     }
     this.presented = false;
diff --git a/packages/core/src/utils/overlays.ts b/packages/core/src/utils/overlays.ts
index 634df43eb1..d73372e6e1 100644
--- a/packages/core/src/utils/overlays.ts
+++ b/packages/core/src/utils/overlays.ts
@@ -1,5 +1,5 @@
-import { AnimationBuilder, Animation } from "..";
-import { playAnimationAsync } from "./helpers";
+import { Animation, AnimationBuilder } from '..';
+import { playAnimationAsync } from './helpers';
 
 let lastId = 1;
 
@@ -8,7 +8,7 @@ let lastId = 1;
  */
 export type Requires<K extends string> = {
   [P in K]: any;
-}
+};
 
 export function createOverlay
 <T extends HTMLIonOverlayElement & Requires<keyof B>, B>