Last update to useEffect methods

Views/Courses.js

@@ -43,9 +43,9 @@ const getCourses = async (profileObj) => {
         });
     });
     return {
-        courses: courses.slice(0,10),
-        popular: popular.slice(0,10),
-        watching: watchingArray.slice(0,10),
+        courses: courses.slice(0, 10),
+        popular: popular.slice(0, 10),
+        watching: watchingArray.slice(0, 10),
     }
 }
 
@@ -57,7 +57,7 @@ const storeCoursesCache = async (value) => {
     }
 }
 
-const getCoursesCache= async () => {
+const getCoursesCache = async () => {
     try {
         const value = await AsyncStorage.getItem('courses')
         if (value !== null) {
@@ -77,19 +77,28 @@ const Courses = () => {
     const [watching, setWatching] = React.useState([]);
     const [queryTimer, setQueryTimer] = React.useState(0);
 
-    useEffect(async () => {
-        await getCoursesCache().then((r)=>{
-            console.log("Courses Cache");
-            setGroups(r.courses || []);
-            setPopular(r.popular || []);
-            setWatching(r.watching || []);
-        });
-        let r = await getCourses(viewer);
-        console.log("Courses Live");
-        setGroups(r.courses || []);
-        setPopular(r.popular || []);
-        setWatching(r.watching || []);
-        storeCoursesCache(r);
+    useEffect(() => {
+        let subscribed = true;
+        const getData = async () => {
+            await getCoursesCache().then((r) => {
+                console.log("Courses Cache");
+                setGroups(r.courses || []);
+                setPopular(r.popular || []);
+                setWatching(r.watching || []);
+            });
+            let r = await getCourses(viewer);
+            console.log("Courses Live");
+            if(subscribed){
+                setGroups(r.courses || []);
+                setPopular(r.popular || []);
+                setWatching(r.watching || []);
+            }
+            storeCoursesCache(r);
+        };
+        getData();
+        return () => {
+            subscribed = false;
+        }
     }, [])
 
     const onChangeSearch = query => {

Views/Groups.js

@@ -1,10 +1,8 @@
 import React, { useEffect } from "react";
 import { Searchbar } from 'react-native-paper';
-import { View, ActivityIndicator, StyleSheet, SafeAreaView, FlatList } from 'react-native';
+import { StyleSheet, SafeAreaView, FlatList } from 'react-native';
 import API from "../API";
-import UserName from "../components/UserName";
 import GroupCard from "../components/GroupCard";
-import ProfileSmallHeader from '../components/ProfileSmallHeader.js'
 
 const Groups = () => {
     const [searchQuery, setSearchQuery] = React.useState('');
@@ -12,9 +10,14 @@ const Groups = () => {
     const [queryTimer, setQueryTimer] = React.useState(0);
 
     useEffect(() => {
+        let subscribed = true;
         API.getRecentGroups('').then((data) => {
-            setGroups(data.groups || []);
+            if (subscribed)
+                setGroups(data.groups || []);
         });
+        return () => {
+            subscribed = false;
+        }
     }, [])
 
 
@@ -39,7 +42,7 @@ const Groups = () => {
         return (<GroupCard profileObj={item} />);
     });
     return (
-        <SafeAreaView style={{flex: 1}}>
+        <SafeAreaView style={{ flex: 1 }}>
             <Searchbar
                 placeholder="Search Groups"
                 onChangeText={onChangeSearch}
@@ -48,7 +51,7 @@ const Groups = () => {
             <FlatList
                 contentContainerStyle={styles.container}
                 numColumns={2}
-                columnWrapperStyle={{justifyContent: "space-evenly"}}
+                columnWrapperStyle={{ justifyContent: "space-evenly" }}
                 data={groups}
                 renderItem={renderProfile}
                 keyExtractor={item => item._id}

Views/Search.js

@@ -12,9 +12,14 @@ const Search = () => {
     const [queryTimer, setQueryTimer] = React.useState(0);
 
     useEffect(() => {
+        let subscribed = true;
         API.searchProfiles('').then((data) => {
-            setProfiles(data.profiles || []);
+            if (subscribed)
+                setProfiles(data.profiles || []);
         });
+        return () => {
+            subscribed = false;
+        }
     }, [])
 
     const onChangeSearch = query => {
@@ -31,7 +36,7 @@ const Search = () => {
         return (<ProfileCard profileObj={item} />);
     });
     return (
-        <SafeAreaView style={{flex:1}}>
+        <SafeAreaView style={{ flex: 1 }}>
             <Searchbar
                 placeholder="Search Users"
                 onChangeText={onChangeSearch}
@@ -41,7 +46,7 @@ const Search = () => {
             <FlatList
                 contentContainerStyle={styles.container}
                 numColumns={2}
-                columnWrapperStyle={{justifyContent: "space-evenly"}}
+                columnWrapperStyle={{ justifyContent: "space-evenly" }}
                 data={profiles}
                 renderItem={renderProfile}
                 keyExtractor={item => item._id}