@shopify/react-native-skia/lib/module/external/reanimated/renderHelpers.js

High-performance React Native Graphics using Skia

/* eslint-disable @typescript-eslint/no-explicit-any */
import { startMapper, stopMapper, isSharedValue, HAS_REANIMATED3, HAS_REANIMATED2, runOnJS } from "./moduleWrapper";

const _bindings = new WeakMap();

export const unbindReanimatedNode = node => {
  const previousMapperId = _bindings.get(node);

  if (previousMapperId !== undefined) {
    stopMapper(previousMapperId);
  }
};
export function extractReanimatedProps(props) {
  if (!HAS_REANIMATED3 && !HAS_REANIMATED2) {
    return [props, {}];
  }

  const reanimatedProps = {};
  const otherProps = {};

  for (const propName in props) {
    if (propName === "children") {
      continue;
    }

    const propValue = props[propName];

    if (isSharedValue(propValue)) {
      reanimatedProps[propName] = propValue;
      otherProps[propName] = propValue.value;
    } else {
      otherProps[propName] = propValue;
    }
  }

  return [otherProps, reanimatedProps];
}

function bindReanimatedProps2(container, node, reanimatedProps) {
  const sharedValues = Object.values(reanimatedProps);

  const previousMapperId = _bindings.get(node);

  if (previousMapperId !== undefined) {
    stopMapper(previousMapperId);
  }

  if (sharedValues.length > 0) {
    const viewId = container.getNativeId();
    const {
      SkiaViewApi
    } = global;

    const updateProps = () => {
      for (const propName in reanimatedProps) {
        node && node.setProp(propName, reanimatedProps[propName].value);
      } // On React Native we use the SkiaViewApi to redraw because it can
      // run on the worklet thread (container.redraw can't)
      // if SkiaViewApi is undefined, we are on web and container.redraw()
      // can safely be invoked


      if (SkiaViewApi) {
        SkiaViewApi.requestRedraw(viewId);
      } else {
        container.redraw();
      }
    };

    const mapperId = startMapper(() => {
      "worklet";

      runOnJS(updateProps)();
    }, sharedValues);

    _bindings.set(node, mapperId);
  }
}

export function bindReanimatedProps(container, node, reanimatedProps) {
  if (HAS_REANIMATED2 && !HAS_REANIMATED3) {
    return bindReanimatedProps2(container, node, reanimatedProps);
  }

  if (!HAS_REANIMATED3) {
    return;
  }

  const sharedValues = Object.values(reanimatedProps);

  const previousMapperId = _bindings.get(node);

  if (previousMapperId !== undefined) {
    stopMapper(previousMapperId);
  }

  if (sharedValues.length > 0) {
    const viewId = container.getNativeId();
    const {
      SkiaViewApi
    } = global;
    const mapperId = startMapper(() => {
      "worklet";

      if (node) {
        for (const propName in reanimatedProps) {
          node.setProp(propName, reanimatedProps[propName].value);
        }
      } // On React Native we use the SkiaViewApi to redraw because it can
      // run on the worklet thread (container.redraw can't)
      // if SkiaViewApi is undefined, we are on web and container.redraw()
      // can safely be invoked


      if (SkiaViewApi) {
        SkiaViewApi.requestRedraw(viewId);
      } else {
        container.redraw();
      }
    }, sharedValues);

    _bindings.set(node, mapperId);
  }
}
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