All files / apps/host/src/components/LoadingSlider index.tsx

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import React, { useEffect, useRef } from 'react';
import { Animated, Dimensions, Easing, View } from 'react-native';
 
import { makeStyles } from '@repo/ui/themes/makeStyles';
 
import { ASSETS } from '@/constants';
 
const { width: screenWidth } = Dimensions.get('window');
 
const TRACK_WIDTH = screenWidth * 0.7;
const DEFAULT_SKATE_SIZE = 120;
 
interface LoadingSliderProps {
  width?: number;
  height?: number;
}
 
export const LoadingSlider = ({
  width = DEFAULT_SKATE_SIZE,
  height = DEFAULT_SKATE_SIZE,
}: LoadingSliderProps) => {
  const styles = useStyles();
  const translateX = useRef(new Animated.Value(-width)).current;
  const bounce = useRef(new Animated.Value(0)).current;
  const tilt = useRef(new Animated.Value(0)).current;
 
  useEffect(() => {
    const move = Animated.timing(translateX, {
      toValue: TRACK_WIDTH - width / 2,
      duration: 3500,
      easing: Easing.linear,
      useNativeDriver: true,
    });
 
    const bounceAnim = Animated.loop(
      Animated.sequence([
        Animated.timing(bounce, {
          toValue: -4,
          duration: 270,
          easing: Easing.inOut(Easing.ease),
          useNativeDriver: true,
        }),
        Animated.timing(bounce, {
          toValue: 0,
          duration: 270,
          easing: Easing.inOut(Easing.ease),
          useNativeDriver: true,
        }),
      ]),
    );
 
    const tiltAnim = Animated.loop(
      Animated.sequence([
        Animated.timing(tilt, {
          toValue: 1,
          duration: 300,
          useNativeDriver: true,
        }),
        Animated.timing(tilt, {
          toValue: -1,
          duration: 300,
          useNativeDriver: true,
        }),
      ]),
    );
 
    bounceAnim.start();
    tiltAnim.start();
 
    move.start(() => {
      bounceAnim.stop();
      tiltAnim.stop();
    });
  }, [bounce, tilt, translateX, width]);
 
  const progressScale = translateX.interpolate({
    inputRange: [-width, TRACK_WIDTH - width / 2],
    outputRange: [0, 1],
    extrapolate: 'clamp',
  });
 
  const rotateDeg = tilt.interpolate({
    inputRange: [-1, 1],
    outputRange: ['-2deg', '2deg'],
  });
 
  return (
    <View style={styles.container} accessibilityRole="progressbar" accessibilityLabel="Loading">
      <View style={styles.wrapper}>
        <View style={styles.track}>
          <Animated.View
            style={[
              styles.progress,
              {
                transform: [{ scaleX: progressScale }],
              },
            ]}
          />
        </View>
 
        <Animated.Image
          source={ASSETS.IMAGES.HOME.PATIN}
          style={[
            styles.mascot,
            {
              width,
              height,
              transform: [{ translateX }, { translateY: bounce }, { rotate: rotateDeg }],
            },
          ]}
          resizeMode="contain"
          accessible={false}
        />
      </View>
    </View>
  );
};
 
const useStyles = makeStyles(theme => ({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
 
  wrapper: {
    width: TRACK_WIDTH,
    height: 140,
  },
 
  track: {
    position: 'absolute',
    bottom: 22,
    width: '100%',
    height: 8,
    backgroundColor: theme.colors.gray15,
    borderRadius: 4,
    overflow: 'hidden',
  },
 
  progress: {
    height: '100%',
    width: '100%',
    backgroundColor: theme.colors.gray20,
    transform: [{ scaleX: 0 }],
    transformOrigin: 'left',
  },
 
  mascot: {
    position: 'absolute',
    bottom: 30,
    left: 0,
  },
}));