Clik here to view.
why change vsc highlighting color in typescript [Option 'noEmit' cannot be...
I'm working on react-native. but my codes began to change color like the rightand come up the errors in tsconfig.json[Error code] Option 'noEmit' cannot be specified with option 'incremental'.tsconfig...
View ArticleReact Native with typescript doesn't detect the incorrect types
I'm working on RN with Typescript. By using the official instruction I was managed to add .tsx and .ts file but the main problem I faced is that RN doesn't detect the incorrect types in the files at...
View ArticleWhy does TypeScript not throw a compile error for an undefined type
Here's a simple repro to describe the problem:I created a vanilla RN project using npx react-native init MyApp --template react-native-template-typescriptIn App.tsx, I added let foo:...
View ArticleReact Native + Typescript: How to use toggleDrawer in a stack screen component?
My question is simple: what should be the type of navData? I'd like to toggle the drawer from the header of a stack screen component but Typescript is complaining because toggleDrawer doesn't exist on...
View ArticleHow to safely parse JSON?
I want to parse a JSON from the server and convert it to my model.Of course, I can use JSON.parse in combination with a model interface, but the problem is that I should also check if the keys of the...
View ArticleReact Native Typescript. Non working type check
I'm working on RN with Typescript. By using the official instruction I was managed to add .tsx and .ts file but the main problem I faced is that RN doesn't detect the incorrect types in the files at...
View ArticleInput value - onChange vs Manual
I'm trying to pass an array of strings via context api from a child to a parent.I've been doing so through input who push the value written in it to another input that displays all the values pushed by...
View ArticleClik here to view.
"Continent" selection/Click on image in react-native
I want to create a continent selection in react-native -> which means when the user taps/clicks on a continent the user is directed to another page with all the countries on that continent (e.g...
View ArticleIf Else Statement for SearchParams [React Native]
I am new to React Native and I am using typescript for React Native. Currently, I am having a difficulty to do if else statement for search function. Below is my code for if else statement for search...
View ArticleClik here to view.
How do I use App.tsx instead of App.js in React?
I've created a react project with the instructions from it's documentation, which automatically has added the App.js file to the project. My issue is that I want to use App.tsx instead of App.js. For...
View ArticleReact Native : How to retrieve data from a State with a nested json array and...
I'm using react native expo.I have a react native picker which have the data that i have fetched from my back end api and the whole set of data is stored in an array(properties) inside the state. This...
View Articlemap function in React-Native
I am new to React Native and I am using Typescript for my project. I am difficulty to do mapping in React Native. Below is my code for interface:interface Teacher { name: string; sex: string; age:...
View ArticleCreate Generic Custom Component React
This is react-native question but similar concepts can be applied to react.I want to create a CustomView in react-native. I am using typescript.So far, I have:const styles = StyleSheet.create({...
View ArticleClik here to view.
setInterval refreshes the app instead of updating the state
I'm coding a countdown with Expo. I'm using functional components, so my state is handled via React's useState hook.let [state, setState] = useState({ secondsLeft: 25, started: false, }); If I press a...
View ArticleUseEffect with Prev and Next props in react
In my react application, I have the following code on the dashboard component.const DashboardPage = ({ user, profile, getAuthProfileStart }: IProps) => { useEffect(() => { getAuthProfileStart();...
View ArticleReactJS change background image dynamically doesn't work
I am new to reactJS. I want to create a component to change background images dynamically. I just write a javascript to update background image every 5 seconds but it doesn't work. These images are...
View ArticleHow to compose ParamList for nested navigators in v5?
Say I have two navigators like this:export type RootStackParamList = { Bootstrap: undefined; Login: undefined; MainApp: undefined; }; export type MainTabsParamList = { Explore: undefined; Profile:...
View ArticleTerminal mistakes bit for git [closed]
I am trying to initialize bit.dev environment. Every time I type bit terminal interprets it as git https://share.getcloudapp.com/geu2B9BPDoes someone know what is going on?
View ArticleShould we and how to name react-navigation screen prop types?
According to the official documentation about type checking, we have to name our navigation prop type like this:type HomeScreenNavigationProp = StackNavigationProp<StackParamList, 'Home'>; type...
View Article"parserOptions.project" has been set for @typescript-eslint/parser
I created a new React Native project with --template typescriptI deleted the template directory which came as part of the boilerplate.I then proceeded to add ESLint:module.exports = { parser:...
View Article