React: How can I make this React Component written better to be more efficient?
React: How can I make this React Component written better to be more efficient? I feel like I'm repeating code and it could be refactored much better. The maxValue prop is optionalButtonStepper.tsx...
View ArticleProper error handling using Redux Toolkit
Say for example when a login function calls an API and it returns an error because of something like invalid credentials. I have noticed that it still goes through the fulfilled case in the extra...
View ArticleUnexpected Token, expected ';' in React Native constructor
When i want to add the constructor in my React Native Project, i always end up with Unexpected token, expected ";" (6:28).I already tried to add semicolons in every possible location but cannot figure...
View ArticleConnect to MongoDB in ReactNative (using Expo)
i am trying to build a simple connection to a mongodb.If possilbe i would like to use mongoose for that. I am using React Native and Expo.I have seen that in the documentation of MongoDB it says that i...
View ArticleGetting the root reducer from configureStore redux toolkit
import { configureStore } from "@reduxjs/toolkit";import testSlice from "./testSlice";import {combineReducers} from "redux";const rootReducer = combineReducers({test: testSlice})export const store =...
View ArticleReact Navigation - RootStackParamList is in error in VSCode
I started an application managed by Expo and installed the navigation dependencies.I chose to use Typescript and therefore followed the typing recommendations in the documentation. I attach to this...
View ArticleUnable to resolve module `perf_hooks`
I am trying to use perf_hooks from the nodeJS Performance API in my React Native project. Below is my codeimport {performance} from 'perf_hooks';export const measure = ( target: Object, propertyKey:...
View ArticleWhat is react component in typescript inteface?
In typescript interface, we can define, like :export interface ViewContainerProps { style?: ViewStyle | ViewStyle[]; children?: React.ReactNode aString:string aNumber:number}I want to write a custom...
View ArticleObject is possibly 'undefined' when apply for number
I'm trying to make custom view component base on device size, but typescript complain about number, it said Object is possibly 'undefined', here is the codeexport interface ViewContainerProps { style?:...
View ArticleReact-Native: What can cause a module to be null?
i'm working on a react native project with expo and yarn and needed to install a new dependency to get device manufacturer (it's react-native-device-info if you are wondering). I installed it...
View Articlereact native : Display an Accordion inside modal returns an error
In my example I am trying to display Accordion but I get the following error:"VirtualizedLists should never be nested inside plain ScrollViews withthe same orientation because it can break windowing...
View Articlehow to create a typescript project whit react native?
I am new in react-native.I would like to create a project in react-native with VS code.I know how to init a project with command ``react-native init ProjectName```but when this create this a java .js...
View ArticleHow to mock React Navigation's navigation prop for unit tests with TypeScript...
I'm building a React Native app with TypeScript. For my navigation I use React Navigation and for my unit testing I use Jest and Enzyme.Here is the (stripped down) code for one of my screen...
View ArticleReact Native proxy for API requests
I want to use a proxy for the API calls.In package.json I set the property "Proxy": "https://someapi.com", but this does not work. Is it possible to use a proxy in React Native?
View ArticleHow to customize a React Native Template from Creative Tim?
There are many free React Native Templates available on Creative Time. enter link description hereBut they are very complicated. Does anyone know how to customize them??
View ArticleTypeScript & React Native: Using Pick to avoid bloating my code
I have the following interface defined for use in a React Native component:export interface ValidatedInputProps { autoCapitalize?: 'none' | 'sentences' | 'words' | 'characters', contentType:...
View Articleundefined is not an object (evaluating 'props.') React Native expo
I have been having a lot of problems with my npm packages in my React Native app, and thought that I had been able to solve most of them. However, when I try to navigate to any of my screens that use...
View ArticleTypescript Type for routeNameRef in React Navigation v5 in screen tracking...
I am following the docs to implement screen tracking with react-native-firebase analytics in a React Native App that uses Typescript. https://reactnavigation.org/docs/5.x/screen-tracking and...
View ArticleHow to write test cases for react native api calls using Jest?
I am using apiSauce library for api calls and I am facing issue while writing jest for api class methods.ChemicalListApi.tsimport { ApiResponse } from 'apisauce';import { RestService } from...
View ArticleHow to set paths properly in react-native
In my React-Native application, import paths are like this.import { ScreenContainer, SLButton, SLTextInput,} from '../../../../../components';import { KeyBoardTypes } from '../../../../../enums';import...
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