Rocket.Chat.ReactNative/app/views/RoomView/List/RefreshControl.tsx

import React from 'react';
import { RefreshControl as RNRefreshControl, RefreshControlProps, StyleSheet } from 'react-native';

import { useTheme } from '../../../theme';
import { isAndroid } from '../../../lib/methods/helpers';

const style = StyleSheet.create({
	container: {
		flex: 1
	},
	inverted: {
		scaleY: -1
	}
});

interface IRefreshControl extends RefreshControlProps {
	children: React.ReactElement;
}

const RefreshControl = ({ children, onRefresh, refreshing }: IRefreshControl): React.ReactElement => {
	const { colors } = useTheme();
	if (isAndroid) {
		return (
			<RNRefreshControl
				onRefresh={onRefresh}
				refreshing={refreshing}
				tintColor={colors.auxiliaryText}
				style={[style.container, style.inverted]}
			>
				{children}
			</RNRefreshControl>
		);
	}

	const refreshControl = <RNRefreshControl onRefresh={onRefresh} refreshing={refreshing} tintColor={colors.auxiliaryText} />;

	return React.cloneElement(children, { refreshControl, inverted: true });
};

export default RefreshControl;