@react-native-ohos/flash-list/src/native/config/PlatformHelper.web.ts

FlashList is a more performant FlatList replacement

/**
 * MIT License
 *
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import React from "react";
import { View } from "react-native";
import { BaseItemAnimator } from "recyclerlistview";
import { DefaultJSItemAnimator } from "recyclerlistview/dist/reactnative/platform/reactnative/itemanimators/defaultjsanimator/DefaultJSItemAnimator";

const PlatformConfig = {
  defaultDrawDistance: 2000,
  invertedTransformStyle: { transform: [{ scaleY: -1 }] },
  invertedTransformStyleHorizontal: { transform: [{ scaleX: -1 }] },
};
const getCellContainerPlatformStyles = (
  inverted: boolean,
  parentProps: { x: number; y: number; isHorizontal?: boolean }
): { transform: string; WebkitTransform: string } | undefined => {
  const transformValue = `translate(${parentProps.x}px,${parentProps.y}px)${
    inverted ? ` ${parentProps.isHorizontal ? `scaleX` : `scaleY`}(-1)` : ``
  }`;
  return { transform: transformValue, WebkitTransform: transformValue };
};

const getItemAnimator = (): BaseItemAnimator | undefined => {
  return new DefaultJSItemAnimator();
};

const getFooterContainer = (): React.ComponentClass | undefined => {
  return View;
};

export {
  PlatformConfig,
  getCellContainerPlatformStyles,
  getItemAnimator,
  getFooterContainer,
};