react-native-reanimated/lib/module/reanimated2/platformFunctions/scrollTo.js

More powerful alternative to Animated library for React Native.

'use strict';

import { isChromeDebugger, isFabric, isJest, shouldBeUseWeb } from '../PlatformChecker';
import { dispatchCommand } from './dispatchCommand';
/**
 * Lets you synchronously scroll to a given position of a `ScrollView`.
 *
 * @param animatedRef - An [animated ref](https://docs.swmansion.com/react-native-reanimated/docs/core/useAnimatedRef) attached to an `Animated.ScrollView` component.
 * @param x - The x position you want to scroll to.
 * @param y - The y position you want to scroll to.
 * @param animated - Whether the scrolling should be smooth or instant.
 * @see https://docs.swmansion.com/react-native-reanimated/docs/scroll/scrollTo
 */
export let scrollTo;
function scrollToFabric(animatedRef, x, y, animated) {
  'worklet';

  dispatchCommand(animatedRef, 'scrollTo', [x, y, animated]);
}
function scrollToPaper(animatedRef, x, y, animated) {
  'worklet';

  if (!_WORKLET) {
    return;
  }

  // Calling animatedRef on Paper returns a number (nativeTag)
  const viewTag = animatedRef();
  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
  _scrollToPaper(viewTag, x, y, animated);
}
function scrollToJest() {
  console.warn('[Reanimated] scrollTo() is not supported with Jest.');
}
function scrollToChromeDebugger() {
  console.warn('[Reanimated] scrollTo() is not supported with Chrome Debugger.');
}
function scrollToDefault() {
  console.warn('[Reanimated] scrollTo() is not supported on this configuration.');
}
if (!shouldBeUseWeb()) {
  if (isFabric()) {
    scrollTo = scrollToFabric;
  } else {
    scrollTo = scrollToPaper;
  }
} else if (isJest()) {
  scrollTo = scrollToJest;
} else if (isChromeDebugger()) {
  scrollTo = scrollToChromeDebugger;
} else {
  scrollTo = scrollToDefault;
}
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