
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
오류 메세지를 보니 tip.filter 부분에서 filter라는 object가 정의되지않았다는것 같은데 어떻게 해결해야하나요?

WARN Possible Unhandled Promise Rejection (id: 13):
TypeError: undefined is not an object (evaluating 'tip.filter')
generatorResume@[native code]
asyncGeneratorStep@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:21008:26
_next@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:21027:29
tryCallOne@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:25621:16
http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:25702:27
http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:26597:26
_callTimer@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:26516:17
_callReactNativeMicrotasksPass@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:26546:17
callReactNativeMicrotasks@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:26709:44
__callReactNativeMicrotasks@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=f?p?platfor?platform=android&dev=true&hot=false:20130:15
flushedQueue@http://192.168.219.110:19000/node_modules%5Cexpo%5CAppEntry.bundle?platform=android&dev=true&hot=false:19957:21
flushedQueue@[native code]callFunctionReturnFlushedQueue@[native code]
import React from 'react';
import {View, Image, Text, TouchableOpacity, StyleSheet, Alert} from 'react-native'
import * as Application from 'expo-application';
const isIOS = Platform.OS === 'ios';
import {firebase_db} from "../firebaseConfig";
export default function LikeCard({content,navigation, tip, setTip}){
const remove = async (cidx) => {
let userUniqueId;
if(isIOS){
let iosId = await Application.getIosIdForVendorAsync();
userUniqueId = iosId
}else{
userUniqueId = await Application.androidId
}
console.log(userUniqueId)
firebase_db.ref('/like/'+userUniqueId+'/'+cidx)
.remove()
.then(function(){
Alert.alert("찜을 해제하였습니다!!")
})
.catch(function(){
Alert.alert("찜 해제에 실패하였습니다!"+ error.message),
navigation.navigate('LikePage')
})
//내가 찝 해제 버튼을 누른 카드 idx를 가지고
//찝페이지의 찜데이터를 조회해서
//찜해제를 원하는 카드를 제외한 새로운 찜 데이터(리스트 형태!)를 만든다
let result = tip.filter((data,i)=>{
return data.idx !== cidx
})
//이렇게 만들었으면!
//LikePage로 부터 넘겨 받은 tip(찜 상태 데이터)를
//filter 함수로 새롭게 만든 찜 데이터를 구성한다!
console.log(result)
setTip(result)
}
//MainPage로 부터 navigation 속성을 전달받아 Card 컴포넌트 안에서 사용
return(
//카드 자체가 버튼역할로써 누르게되면 상세페이지로 넘어가게끔 TouchableOpacity를 사용
<View style={styles.card}>
<Image style={styles.cardImage} source={{uri:content.image}}/>
<View style={styles.cardText}>
<Text style={styles.cardTitle} numberOfLines={1}>{content.title}</Text>
<Text style={styles.cardDesc} numberOfLines={3}>{content.desc}</Text>
<Text style={styles.cardDate}>{content.date}</Text>
<View style={styles.buttonGroup2}>
<TouchableOpacity style={styles.button2} onPress={()=>{navigation.navigate('DetailPage',{idx:content.idx})}}><Text style={styles.buttonText2}>자세히보기</Text></TouchableOpacity>
<TouchableOpacity style={styles.button2} onPress={()=>{remove(content.idx)}}><Text style={styles.buttonText2}>찜 해제</Text></TouchableOpacity>
</View>
</View>
</View>
)
}
const styles = StyleSheet.create({
buttonGroup2:{
flexDirection:"row",
margin:7
},
button2:{
flex:1,
borderColor:"#FF00DD",
alignContent:'center',
borderWidth:1,
borderRadius:10,
padding:15,
margin:7
},
buttonText2:{
color:"#FF00DD",
alignSelf:'center'
},
card:{
flex:1,
flexDirection:"row",
margin:10,
borderBottomWidth:0.5,
borderBottomColor:"#eee",
paddingBottom:10
},
cardImage: {
flex:1,
width:100,
height:100,
borderRadius:10,
},
cardText: {
flex:2,
flexDirection:"column",
marginLeft:10,
},
cardTitle: {
fontSize:20,
fontWeight:"700"
},
cardDesc: {
fontSize:15
},
cardDate: {
fontSize:10,
color:"#A6A6A6",
}
});
