@mindinventory/react-native-tab-bar-interaction/lib/module/TabBar/TabItem.js

A tabbar component for React Native

"use strict";

import { StyleSheet, Dimensions, Pressable, View } from 'react-native';
import Animated, { useAnimatedStyle, useSharedValue, withTiming, FadeIn } from 'react-native-reanimated';
import { getPathXCenterByIndex } from "./TabBar.js";
import { jsx as _jsx, Fragment as _Fragment } from "react/jsx-runtime";
const {
  width: SCREEN_WIDTH
} = Dimensions.get('window');
const ICON_SIZE = 30;
const LABEL_WIDTH = SCREEN_WIDTH / 4;
const TRANSITION_SPEED = 400;
export const TabItem = props => {
  const {
    curvedPaths,
    index,
    activeIndex = 1,
    label,
    onTabPress,
    activeIcon,
    currentIndex,
    inactiveIcon,
    transitionSpeed
  } = props;
  const animatedActiveIndex = useSharedValue(activeIndex);
  const iconPosition = getPathXCenterByIndex(curvedPaths, index);
  const tabStyle = useAnimatedStyle(() => {
    const translateY = animatedActiveIndex.value - 1 === index ? 20 : 20;
    const iconPositionX = iconPosition - index * ICON_SIZE;
    return {
      width: ICON_SIZE,
      height: ICON_SIZE,
      transform: [{
        translateY: withTiming(translateY)
      }, {
        translateX: iconPositionX - ICON_SIZE / 2
      }]
    };
  });

  // const iconColor = useSharedValue(
  //   activeIndex === index + 1 ? 'white' : 'rgba(128,128,128,0.8)'
  // );

  // //Adjust Icon color for this first render
  // useEffect(() => {
  //   animatedActiveIndex.value = activeIndex;
  //   if (activeIndex === index + 1) {
  //     iconColor.value = withTiming('white', {
  //       duration: transitionSpeed ? transitionSpeed : TRANSITION_SPEED,
  //     });
  //   } else {
  //     iconColor.value = withTiming('rgba(128,128,128,0.8)', {
  //       duration: transitionSpeed ? transitionSpeed : TRANSITION_SPEED,
  //     });
  //   }
  // }, [activeIndex, animatedActiveIndex, iconColor, index, transitionSpeed]);

  return /*#__PURE__*/_jsx(_Fragment, {
    children: currentIndex === index ? /*#__PURE__*/_jsx(Animated.View, {
      style: [tabStyle, styles.tabItem, styles.activeTabItem],
      children: /*#__PURE__*/_jsx(Pressable, {
        testID: `tab${label}`
        //Increasing touchable Area
        ,
        hitSlop: {
          top: 30,
          bottom: 30,
          left: 50,
          right: 50
        },
        onPress: onTabPress,
        children: /*#__PURE__*/_jsx(Animated.View, {
          entering: FadeIn.delay(transitionSpeed ? transitionSpeed : TRANSITION_SPEED),
          children: activeIcon
        })
      })
    }) : /*#__PURE__*/_jsx(Animated.View, {
      style: [tabStyle, styles.tabItem],
      children: /*#__PURE__*/_jsx(Pressable, {
        testID: `tab${label}`
        //Increasing touchable Area
        ,
        hitSlop: {
          top: 30,
          bottom: 30,
          left: 50,
          right: 50
        },
        onPress: onTabPress,
        children: /*#__PURE__*/_jsx(View, {
          children: inactiveIcon
        })
      })
    })
  });
};
const styles = StyleSheet.create({
  labelContainer: {
    position: 'absolute',
    alignItems: 'center',
    width: LABEL_WIDTH
  },
  label: {
    color: 'rgba(128,128,128,0.8)',
    fontSize: 17
  },
  tabItem: {},
  activeTabItem: {
    bottom: 25
  }
});
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