fix(refresher): ios native refresher now works in side menu (ionic-te…

…am#22449)

core/src/components/refresher/refresher.tsx

@@ -165,7 +165,7 @@ export class Refresher implements ComponentInterface {
   private async setupiOSNativeRefresher(pullingSpinner: HTMLIonSpinnerElement, refreshingSpinner: HTMLIonSpinnerElement) {
     this.elementToTransform = this.scrollEl!;
     const ticks = pullingSpinner.shadowRoot!.querySelectorAll('svg');
-    const MAX_PULL = this.scrollEl!.clientHeight * 0.16;
+    let MAX_PULL = this.scrollEl!.clientHeight * 0.16;
     const NUM_TICKS = ticks.length;
 
     writeTask(() => ticks.forEach(el => el.style.setProperty('animation', 'none')));
@@ -251,6 +251,18 @@ export class Refresher implements ComponentInterface {
             if (!this.didRefresh) {
               translateElement(this.elementToTransform, '0px');
             }
+
+            /**
+             * If the content had `display: none` when
+             * the refresher was initialized, its clientHeight
+             * will be 0. When the gesture starts, the content
+             * will be visible, so try to get the correct
+             * client height again. This is most common when
+             * using the refresher in an ion-menu.
+             */
+            if (MAX_PULL === 0) {
+              MAX_PULL = this.scrollEl!.clientHeight * 0.16;
+            }
           },
           onMove: ev => {
             this.lastVelocityY = ev.velocityY;