When an object can't really be `null` in a particular screen
We have a React Native app that uses Redux and we've just converted most of it from Javascript to Typescript. I'm new new to Typescript so bear with me here.As simply as i can, here's an explanation of...
View ArticleHow to add aws-Amplify authentication to react-native typescript project...
I'm trying to add Amplify Authentication in my react native project that uses Typescript template . There is a package given in amplify documentation 'aws-amplify-react-native' which is used as a...
View ArticleType Safety for Testing React Navigation with React Native
NAVIGATORexport type RootStackNavigator = { Welcome: undefined List: undefined}const Stack = createStackNavigator<RootStackNavigator>()const { Navigator, Screen } = Stackconst Navigation = ()...
View ArticleModal doesn't run any function
I'm trying to create a modal to logout of my application, it's a simple one, the modal shows up, 2 buttons, yes and no, if yes, the user log out. The problem is that the modal doesn't run the logout...
View ArticleArgument of type 'void' is not assignable to parameter of type 'SetStateAction'
I am getting the following error:Argument of type 'void' is not assignable to parameter of type 'SetStateAction<never[]>'.My relevant code looks like this:const ViewEvents:...
View ArticleCannot assign to read only property 'selected' of object '#' react native
I am in the process of updating my react native project to the latest version. I am also using typescript. I am copying a lot of old code into and one code bit is this let groupSelected =...
View ArticleUpdate style from state in react native with typescript
I am using react native with typescript, and I wanted to update my style property from the state. But it is giving me error.const [VerifiedCheck, setIsVerifiedCheck] = useState("flex");<View...
View ArticleFlatList automatically scrolls to top (only on large dataset)
I save the previous scroll offset value and use scrollToOffset to retain the scroll position post sorting is applied. It works for small dataset(say 100).For large dataset (say 200+), the flatlist...
View ArticleSuggestions on react-native-track-player skip track functionality
I have a array of songs and I am mapping it on a FlatList and onPress I am getting the song.id and using that to find specific song in the array and passing it into the TrackPlayer.add()const songs=...
View ArticleRedux Toolkit - exported typescript definitions d.ts file has errors
I have a feeling this problem might be related to the project's tsconfig maybe, but here it is:I have a library package that uses redux-toolkit for generation action creators. That library is a...
View ArticleProperty 'id' does not exist on type 'object'?
I'm trying to import a video ID using AWS Amplify's DataStore and the useRoute() hook from @react-navigation/native library.So far everything is working, but I keep getting this error:Property 'id'...
View ArticleTypeORM query returns an empty array
I'm trying to retrieve data from an existing database. I recently switched to bare workflow from Expo managed, trying to test react-native-sqlite-storage with TypeORM. However, TypeORM raw query keeps...
View ArticleGetting type error in redux in react native with typescript
I am trying to store the boolean value of is phone number verified or not.In my login component:await dispatch(setOTPVerified(data.is_phone_verified));Action.tsx:export const OTP_VERIFIED =...
View ArticleHow to transform a cluttered contact list into alphabetical-ordered list...
want to create an array of objects that contains the first alphabet of the people as the key and an array of the names that start with that name.Example: const listContacts = [ {name: 'Ana maria',...
View ArticleClik here to view.
How to navigate to a screen using useNavigation() in react native with...
I wanted to use useNavigation to navigate to a screen.Below is my code:MainNav.tsx:const defaultNavigationOptions: StackNavigationOptions = { ... ... ... headerRight: (props) => { return...
View Articlescript phase '[CP-User] Generate Specs' -- react native 0.64
I am try to update the react native project, but i am getting the next errorCycle inside FBReactNativeSpec; building could produce unreliable results. This usually can be resolved by moving the shell...
View ArticleType 'unknown' is not assignable to type '(prevState: number | undefined) =>...
I am using material ui's select component to save the selected value in a variable:const [ratio, setRatio] = useState<number>();...const handleChangeRatio = (e: React.ChangeEvent<{ name?:...
View ArticleHow to vertically center Text in TouchableOpacity?
I am trying to vertically center Text in a TouchableOpacity but it is hard to get it done for me.My App.tsx:import { StatusBar } from "expo-status-bar";import React from "react";import { StyleSheet,...
View ArticleScroll into View in typescript with create-react-app [closed]
Someone please tell me how do I make scrollIntoView() in typescript. I'm using create-react-app so idk if that helps.import React from "react";import ReactDOM from "react-dom";import App from...
View ArticleHow to type a component which has flatlist with forwadRef in React?
So I have a flatlist as a custom component and I use it in App component. However in App, item parameter of renderItem has unknown type. I know this is an expected behavior but I am not sure how to use...
View Article