Simple code to perform "swipe-actions" with flatlist in react-native

Login.tsx

import React, { useState } from "react";

import LoginComponent from "./LoginComponent";

const usersTest = Array(8)
  .fill({ name: "", cns: "" })
  .map((_, index) => ({
    name: `User ${index}`,
    cns: `123.456.${index}`,
  }));

const Login: React.FC = () => {
  const [usersSelected, setUsersSelected] = useState<Array<string>>([]);
  const [users, setUsers] = useState(usersTest);

  const onSwipe = (userId: string) => {
    const isUserExistsSelectedList = usersSelected.includes(userId);

    if (isUserExistsSelectedList) {
      return;
    }

    setUsersSelected(previousUsersSelected => [
      ...previousUsersSelected,
      userId,
    ]);
  };

  const onUnswipe = (userId: string) => {
    const isUserExistsSelectedList = usersSelected.includes(userId);

    if (!isUserExistsSelectedList) {
      return;
    }

    setUsersSelected(previousUsersSelected =>
      previousUsersSelected.filter(
        previousUserSelected => previousUserSelected !== userId
      )
    );
  };

  const onRemoveUser = (idUserToRemove: string) => {
    setUsers(prevUsers =>
      prevUsers.filter(prevUser => prevUser.cns !== idUserToRemove)
    );

    onUnswipe(idUserToRemove);
  };

  return (
    <LoginComponent
      usersSelected={usersSelected}
      onRemoveUser={onRemoveUser}
      onUnswipe={onUnswipe}
      onSwipe={onSwipe}
      users={users}
    />
  );
};

export default Login;

LoginComponent.tsx

import React from "react";
import { FlatList, View } from "react-native";
import styled from "styled-components";

import SwipeListItem from "./SwipeListItem";
import UsersListItem from "./UsersListItem";

const Container = styled(View)`
  width: ${({ theme }) => theme.metrics.width}px;
  height: 100%;
  justify-content: space-between;
  background-color: ${({ theme }) => theme.colors.white};
`;

const Divider = styled(View)`
  width: 100%;
  height: ${({ theme }) => theme.metrics.smallSize}px;
`;

interface Props {
  onRemoveUser: (userSelectedId: string) => void;
  onUnswipe: (cns: string) => void;
  onSwipe: (cns: string) => void;
  usersSelected: Array<string>;
  users: Array<any>;
}

const LoginComponent: React.FC<Props> = ({
  usersSelected,
  onRemoveUser,
  onUnswipe,
  onSwipe,
  users,
}: Props) => {
  const swipeOptions = [
    {
      color: "#20BCB5",
      icon: "❌",
    },
    {
      color: "#0647A6",
      icon: "✏️",
    },
  ];

  return (
    <Container>
      <FlatList
        renderItem={({ item }) => (
          <SwipeListItem
            background="#bbb"
            updateRule={usersSelected.includes(item.cns)}
            onUnswipe={() => onUnswipe(item.cns)}
            onSwipe={() => onSwipe(item.cns)}
            border={6}
            options={swipeOptions.map((swipeOption, optionIndex) => {
              let action;

              if (optionIndex === 0) {
                action = () => onRemoveUser(item.cns);
              }

              if (optionIndex === 1) {
                action = () => console.warn("Edit: ", item);
              }

              return {
                ...swipeOption,
                action,
              };
            })}
            autoclose
          >
            <UsersListItem
              name={item.name}
              cns={item.cns}
            />
          </SwipeListItem>
        )}
        contentContainerStyle={{
          padding: 14,
        }}
        ItemSeparatorComponent={() => <Divider />}
        keyExtractor={item => item.cns}
        data={users}
      />
    </Container>
  );
};

export default LoginComponent;

SwipeListItem.tsx

import React, { memo, useCallback, useState, useRef } from "react";
import {
  LayoutChangeEvent,
  LayoutAnimation,
  PanResponder,
  UIManager,
  Animated,
  View,
} from "react-native";
import styled from "styled-components";

import SwipeOptionButton from "./SwipeOptionButton";

const Wrapper = styled(View)`
  background-color: ${({ background }) => background};
  border-radius: ${({ border }) => border}px;
`;

const OptionsWrapper = styled(View)`
  height: 100%;
  flex-direction: row;
  position: absolute;
`;

interface OptionProps {
  action: () => void;
  color: string;
  icon: string;
}

interface Props {
  options: Array<OptionProps>;
  children: JSX.Element;
  onUnswipe: () => void;
  onSwipe: () => void;
  updateRule: boolean;
  autoclose?: boolean;
  background: string;
  border?: number;
}

const AREA_OCCUPIED_OPTION = 0.2;
const MIN_PIXELS_TO_MOVE = -10;
const MAX_OPTIONS_ALLOWED = 3;

const shouldComponentUpdate = (prevProps: Props, nextProps: Props) => {
  if (prevProps.updateRule !== nextProps.updateRule) {
    return false;
  }

  return true;
};

const SwipeListItem: React.FC<Props> = memo<Props>(
  ({
    background,
    onUnswipe,
    autoclose,
    children,
    onSwipe,
    options,
    border,
  }: Props) => {
    const [isContainerRefSet, setIsContainerRefSet] = useState(false);
    const panRef = useRef(new Animated.ValueXY());
    const containerRef = useRef(null);

    if (UIManager.setLayoutAnimationEnabledExperimental) {
      UIManager.setLayoutAnimationEnabledExperimental(true);
    }

    const animateWithSpring = (newX: number): void => {
      const bounciness = newX === 0 ? 0 : 8;

      Animated.spring(panRef.current, {
        bounciness,
        toValue: {
          x: newX,
          y: 0,
        },
      }).start();
    };

    const getMaxAreaOccupiedByOptions = (): number => {
      if (!containerRef.current) {
        return 0;
      }

      const { width } = containerRef.current;

      const maxAreaOccupiedByOptions =
        AREA_OCCUPIED_OPTION * options.length * width;

      return maxAreaOccupiedByOptions;
    };

    const checkIsSwipingNegatively = (dx: number): boolean =>
      (panRef.current.x as any)._value === 0 && dx < 0;

    const onPanResponderRelease = (dx: number): void => {
      if (checkIsSwipingNegatively(dx)) {
        return;
      }

      const maxAreaOccupiedByOptions = getMaxAreaOccupiedByOptions();
      const swipedEnoughToShowOptions = dx >= maxAreaOccupiedByOptions / 2;
      const newX = swipedEnoughToShowOptions ? maxAreaOccupiedByOptions : 0;

      if (swipedEnoughToShowOptions) {
        onSwipe();
      }

      if (!swipedEnoughToShowOptions) {
        onUnswipe();
      }

      animateWithSpring(newX);
    };

    const onPanResponderMove = (dx: number): void => {
      if (checkIsSwipingNegatively(dx)) {
        return;
      }

      const maxAreaOccupiedByOptions = getMaxAreaOccupiedByOptions();
      const currentPosition = (panRef.current.x as any)._value;

      const isSwipingBeoyndOptionsArea =
        dx + currentPosition >= maxAreaOccupiedByOptions;

      if (isSwipingBeoyndOptionsArea) {
        const { width } = containerRef.current;
        const newX = maxAreaOccupiedByOptions + width * 0.1;

        animateWithSpring(newX);

        return;
      }

      const isSwipedEnough = dx > Math.abs(MIN_PIXELS_TO_MOVE);

      if (isSwipedEnough) {
        panRef.current.setValue({ x: dx + MIN_PIXELS_TO_MOVE, y: 0 });
      }

      if (dx < 0) {
        animateWithSpring(0);
      }
    };

    const panResponder = PanResponder.create({
      onPanResponderRelease: (_, { dx }) => onPanResponderRelease(dx),
      onPanResponderMove: (_, { dx }) => onPanResponderMove(dx),
      onPanResponderTerminationRequest: () => false,
      onStartShouldSetPanResponder: () => false,
      onMoveShouldSetPanResponder: () => true,
    });

    const onLayout = useCallback((event: LayoutChangeEvent): void => {
      containerRef.current = event.nativeEvent.layout;
      setIsContainerRefSet(true);
    }, []);

    const onPressSwipeOptionButton = ({ action }: OptionProps) => {
      if (autoclose) {
        animateWithSpring(0);
      }

      LayoutAnimation.configureNext(
        LayoutAnimation.create(300, "linear", "opacity")
      );

      action();
    };

    const maxAreaOccupiedByOptions = getMaxAreaOccupiedByOptions();

    return (
      <Wrapper
background={background}
onLayout={onLayout}
border={border}>
        <OptionsWrapper>
          {isContainerRefSet && (
            <>
              {options
                .slice(0, MAX_OPTIONS_ALLOWED)
                .map((item, optionIndex) => (
                  <SwipeOptionButton
                    width={maxAreaOccupiedByOptions / options.length}
                    onPress={() => onPressSwipeOptionButton(item)}
                    key={String(optionIndex)}
                    index={optionIndex}
                    color={item.color}
                    icon={item.icon}
                    border={border}
                  />
                ))}
            </>
          )}
        </OptionsWrapper>
        <Animated.View
          // eslint-disable-next-line react/jsx-props-no-spreading
          {...panResponder.panHandlers}
          style={panRef.current.getLayout()}
        >
          {children}
        </Animated.View>
      </Wrapper>
    );
  },
  shouldComponentUpdate
);

export default SwipeListItem;

SwipeOptionButton.tsx

import React from "react";
import { TouchableOpacity, View, Text } from "react-native";
import styled from "styled-components";

interface Style {
  border?: number;
  color?: string;
  width: number;
  index: number;
}

const Wrapper = styled(View)`
  width: ${({ width }) => width}px;
  height: 100%;
  background-color: ${({ color }: Style) => color};
  border-top-left-radius: ${({ index, border }: Style) =>
    border && index === 0 ? border : 0}px;
  border-bottom-left-radius: ${({ index, border }: Style) =>
    border && index === 0 ? border : 0}px;
`;

const OptionButton = styled(TouchableOpacity)`
  height: 100%;
  justify-content: center;
  align-items: center;
`;

interface Props {
  onPress: () => void;
  border?: number;
  index: number;
  width: number;
  color: string;
  icon: string;
}

const SwipeOptionButton: React.FC<Props> = ({
  onPress,
  border,
  width,
  index,
  color,
  icon,
}: Props) => (
  <Wrapper border={border} index={index} width={width} color={color}>
    <OptionButton onPress={onPress}>
      <Text>{icon}</Text>
    </OptionButton>
  </Wrapper>
);

export default SwipeOptionButton;

UsersListItem.tsx

import React from "react";
import { View, Text } from "react-native";
import styled from "styled-components";

const Wrapper = styled(View)`
  width: 100%;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: ${({ theme }) => theme.metrics.largeSize}px;
  background-color: ${({ theme }) => theme.colors.white};
  border-radius: ${({ theme }) => theme.metrics.extraSmallSize}px;
`;

const TextContenWrapper = styled(View)`
  width: 70%;
`;

const UserNameText = styled(Text).attrs({
  numberOfLines: 1,
})`
  font-family: CircularStd-Bold;
  color: ${({ theme }) => theme.colors.textColor};
  font-size: ${({ theme }) => theme.metrics.extraLargeSize};
`;

const CNSText = styled(Text).attrs({
  numberOfLines: 1,
})`
  font-family: CircularStd-Medium;
  color: ${({ theme }) => theme.colors.secondaryTextColor};
  font-size: ${({ theme }) => theme.metrics.largeSize * 1.2};
`;

type Props = {
  name: string;
  cns: string;
};

const UsersListItem = ({ name, cns }: Props) => (
  <Wrapper
    style={{
      shadowColor: "#000",
      shadowOffset: {
        width: 0,
        height: 2,
      },
      shadowOpacity: 0.25,
      shadowRadius: 3.84,
      elevation: 5,
    }}
  >
    <TextContenWrapper>
      <UserNameText>{name.toUpperCase()}</UserNameText>
      <CNSText>{cns}</CNSText>
    </TextContenWrapper>
  </Wrapper>
);

export default UsersListItem;

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