How can i handle the file choose event?
I get a compile error when I try to handle the file choose event for the input const onChangeHandler = (e: React.ChangeEvent<HTMLInputElement>) => { const newValue = e.currentTarget.files;...
View ArticleReact-Native metro bundler can't serve any file
The metro bundler can resolve the dependencies graph(the app starts in emulator) but can't resolve any assets so all images in the app are missing.This problem happens only after I upgraded from...
View Articlemoment.fromNow() timezone issue
I am getting post of news from server with date that doesnt includes timezone, i know that posts is from EST time zone, example : March 30, 2020 at 10:53 AM (-5 GMT); When post was just updated like...
View ArticleWhy i have an error, when sending requests?
I have an error, when sending requests to api. It is https.Error: [TypeError: Network request failed]fetch(ServerLink + url +'?'+ endPoint, { method: 'get', headers: this.getHeaders(), })...
View ArticleTypescript optional chaining error: Expression expected.ts(1109)
I am trying to do optional chaining in Typescript + React Native.Let's say I have the following interfaces:interface Bar { y: number}interface Foo { x?: Bar}and I try to run the following: const test:...
View ArticleJest throws error due to ReactNavigation particularly Drawer(i think)...
I keep gettingTypeError: Cannot read property 'create' of undefined and i believe it is because of react-Navigation Drawerconst App = () => { return <AppContainer />;};import...
View ArticleAdd style to the imported component is React
I have one independent component 'notification' with its own CSS style. I want to show the notification component in my header component but with different styling. I imported the component in the...
View Articlecannot test renderer.create in react-native, react-navigation, jest,...
I am trying to just test that my app renders correctly using jest and no matter what i do i get TypeError: Cannot read property 'create' of undefinedat Object.create...
View ArticleHow to map array into checkbox for React Native [TypeScript]?
I am new to React Native. I am currently using TypeScript for my React Native project. Right now, I am having a difficulty on how to map array into checkbox. Below is my json file:{ "stud_name":...
View ArticleTypescript babel-plugin-module-resolver
Hello is there an equivalent of babel-plugin-module-resolver for typescript.I am trying to resolve "react-native" to "react-native-web". Example below. import { View } from "react-native"// should...
View ArticleDisplay a string variable on SVG in React-Native
I am trying to display the user's initials (so basically text) on (or inside) an avatar (SVG). I found many topics on this but none of the syntax that I tried worked for me. I am also using TypeScript...
View ArticleArgument of type 'AnyAction' is not assignable to parameter of type 'never'....
I'm working on an application, where suddenly I came across 'Argument of type 'AnyAction' is not assignable to parameter of type 'never'.Not sure which code is creating this bug, it's a huge...
View ArticleReact native TextProperties does not recognize style properties
In order to follow an another answer about fontWeight management with custom font, I end up with the following custom Text component:import React from "react";import { Text as BaseText, StyleSheet,...
View ArticleTypeScript types for React Native's measure callback within a onLayout event?
How can I add TypeScript types to a measure callback within the onLayout event? <View ref={containerViewRef} onLayout={() => { if (containerViewRef.current) { containerViewRef?.current?.measure(...
View ArticleWhat is the type of child
What is the type of a child?renderChildren(): void { const {children} = this.props; const childrenArray = React.Children.map(children, (child) => { return this.renderChild(child); }) ...}renderChild...
View ArticleJSX element type 'View' is not a constructor function for JSX elements error...
I'm new to Typescript and am trying to implement it in my React Native Expo, but I'm getting the following error:[ts] JSX element type 'View' is not a constructor function for JSX elements. Property...
View ArticleFacing some weird issue on react-native app with typescript
I'm getting the below issue suddenly after reinstalling my packages, the app is working fine but it's giving me the following typescript error, I found that my redux version changed from 4.0.4 to 4.0.5...
View ArticleHow to fetch data from a fake server in react native?
I have made a fake server in my laptop to fetch data. this is the data in it:[ {"id": 1,"firstName": "Bill","lastName": "Gates","email": "bill@microsoft.com","phone": "1234567898","role":...
View ArticleHow to get the node_modules package types in Typescript
I'm working with NativeBase (the package name doesn't matter) with Typescript. I'm creating a simple Input component that wraps the NativeBase TextInput. I added a few own properties and spread all...
View ArticleBest way to upgrade React Native 0.61 + TypeScript to latest version
I've seen a log of tutorials and articles about upgrading React Native project and a lot of articles about migrating existing JS project to TypeScript. However, I have yet to see one for React Native +...
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