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Fix for #53 #54

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Fix for #53 #54

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35 changes: 13 additions & 22 deletions src/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -281,7 +281,7 @@ export class ScrollBottomSheet<T extends any> extends Component<Props<T>> {
private lastStartScrollY: Animated.Value<number> = new Value(0);
private prevTranslateYOffset: Animated.Value<number>;
private translationY: Animated.Value<number>;
private destSnapPoint = new Value(0);
private destSnapPoint = new Value<number>(0);

private lastSnap: Animated.Value<number>;
private dragWithHandle = new Value(0);
Expand Down Expand Up @@ -558,6 +558,7 @@ export class ScrollBottomSheet<T extends any> extends Component<Props<T>> {
set(this.dragWithHandle, 0),
]),
set(this.isManuallySetValue, 0),
set(this.nextSnapIndex, 0),
set(this.manualYOffset, 0),
stopClock(clock),
this.prevTranslateYOffset,
Expand Down Expand Up @@ -670,8 +671,18 @@ export class ScrollBottomSheet<T extends any> extends Component<Props<T>> {
snapTo = (index: number) => {
const snapPoints = this.getNormalisedSnapPoints();
this.isManuallySetValue.setValue(1);
this.manualYOffset.setValue(snapPoints[index]);
const yOffset = snapPoints[index];
this.manualYOffset.setValue(yOffset);
this.nextSnapIndex.setValue(index);

this.destSnapPoint.setValue(yOffset);
this.animationFinished.setValue(0);
this.lastSnap.setValue(yOffset);
// This is the TapGHandler trick
// @ts-ignore
this.masterDrawer?.current?.setNativeProps({
maxDeltaY: yOffset - this.getNormalisedSnapPoints()[0],
});
};

render() {
Expand Down Expand Up @@ -828,26 +839,6 @@ export class ScrollBottomSheet<T extends any> extends Component<Props<T>> {
])
)}
/>
<Animated.Code
exec={onChange(this.isManuallySetValue, [
cond(
this.isManuallySetValue,
[
set(this.destSnapPoint, this.manualYOffset),
set(this.animationFinished, 0),
set(this.lastSnap, this.manualYOffset),
call([this.lastSnap], ([value]) => {
// This is the TapGHandler trick
// @ts-ignore
this.masterDrawer?.current?.setNativeProps({
maxDeltaY: value - this.getNormalisedSnapPoints()[0],
});
}),
],
[set(this.nextSnapIndex, 0)]
),
])}
/>
</Animated.View>
);

Expand Down