react-native-screen-transitions/lib/module/utils/gesture/determine-dismissal.js

Easy screen transitions for React Native and Expo

"use strict";

import { velocity as V } from "./velocity";
const getAxisThreshold = ({
  translation,
  velocity,
  screenSize,
  gestureVelocityImpact
}) => {
  "worklet";

  return V.shouldPassDismissalThreshold(translation, velocity, screenSize, gestureVelocityImpact);
};
export const determineDismissal = ({
  event,
  directions,
  dimensions,
  gestureVelocityImpact
}) => {
  "worklet";

  let shouldDismiss = false;
  if (directions.vertical && event.translationY > 0 || directions.verticalInverted && event.translationY < 0) {
    const dismiss = getAxisThreshold({
      translation: event.translationY,
      velocity: event.velocityY,
      screenSize: dimensions.height,
      gestureVelocityImpact
    });
    if (dismiss) shouldDismiss = true;
  }
  if (directions.horizontal && event.translationX > 0 || directions.horizontalInverted && event.translationX < 0) {
    const dismiss = getAxisThreshold({
      translation: event.translationX,
      velocity: event.velocityX,
      screenSize: dimensions.width,
      gestureVelocityImpact
    });
    if (dismiss) shouldDismiss = true;
  }
  return {
    shouldDismiss
  };
};
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