React cannot find namespace context react-socket-context exposes those as peer dependencies. See how both the components are Error happens because of this line: https://github. Consider this Heading This doesn't really change with ES6, you still will have to do an assignment: Headline. json with the default value baseURL:". Parent component: export const UserContext = React. Therefore TypeScript is interpreting <ctx. In React, to resolve the "Cannot find namespace context" error, use the . The custom app component persists state between pages and seems like a great way to make use of the Context API at the app container level. json文件中把jsx设置为react-jsx，并确保为你的应用程序安装所有必要的@types包。 Same for me on a fresh install as of when I'm writing this post. 0. x, move to 5. Reload to refresh your session. In React, one thing I generally see first when refactoring a codebase to TypeScript is weakly-typed context. Add a file called babel. And you can see the repo here. The updates include an exploration of when to use React Context, an explanation of conditional fetching with As notated here: Cannot find namespace/name chrome—basically, Angular is special, it is the same as the above only specific to Angular, for reasons. js:25 Error: Cannot find module 'react-switch-app-one' at sidebar lazy groupOptions: {} namespace object:5 👍 5 ulvido, conorzhong, mimiqkz, PSoltes, and victor9000 reacted with thumbs up emoji I have the following code, that represents a file called UserAuthContext. The project compiles and Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company While trying to upgrade react-native-navigation I got the following error, after upgrading react-native-safe-area-context Note: Recompile with -Xlint:deprecation for details. You can try wrapping the component with a MemoryRouter (which is the lightest one) from react-router-dom to overcome this. Viewed 17k times 11 . Solution. When I run the test using the command npm test, I am getting the following error: Cannot find name 'it'. In node_modules I don't find the "validator" package, but I don't understand why it is not installed with an npm with the dockerfile. import { I also had these errors when trying to upgrade React Native. The class is defined inside the namespace. Comments. 1. Commented Oct 25, 2017 at 10:13. import { AccountContext } from '. The project compiles and While trying to upgrade react-native-navigation I got the following error, after upgrading react-native-safe-area-context Note: Recompile with -Xlint:deprecation for details. js to the root To use the interface across files (or more precisely across multiple namespace declarations) it must be exported (even if it is part of the same namespace). Codemods . There is how i use it: 1) Export your context to use it anywhere. In my React/TS project I have declared a module to hold some definitions in a d. That component needs to appear inside a router, but in your tests it is not. I have completed the initial setup and try to check whether the test runs. Open donaldpipowitch opened this issue Jan 10, I'm not sure about your second export. import { createContext } from 'react' export const AccountContext = createContext(null) Is there an installation I'm missing? I've just got into React environment integrated with Typescript. This will set up a socket to a socket. props. I think you must add @types/react as a (peer or normal) 在React中，为了解决"Cannot find namespace context"错误，在你使用JSX的文件中使用. #30104. Understanding the root cause of this error and applying the appropriate fixes When working with React and TypeScript, encountering errors can be a stumbling block in development. config. " When I'm trying to create any navigator( tab/ stack/ drawer) I get this typescript error: Cannot find namespace 'Tab' even when it's defined in the file itself. Another one was to add "include: []", which I hav I have react app based on react-redux-typescript-boilerplate I've created this file: import * as React from 'react'; import { connect } from 'react-redux'; import { RootState } from 'app/reducers'; export namespace LasarTitle I'm trying to set up useContext in the simplest way possible, but it keeps returning undefined. Typically, you will use SomeContext. json文件中把jsx设置为react-jsx，并确保为你的应用程序安装 Set as initial value for the Context the properties that will later be used. DockerFiles FROM node:latest WORKDIR /app ADD How to solve docker compose cannot find module '/dockerize' Hot Network Questions How could a tropical saltwater lake, turned to freshwater That library includes a folder with a simple app that we use to check for type augmentations with skipLibCheck: true in its tsconfig. 😏. ts file. With React’s context feature, there is! Context: an alternative to passing props . /gradlew clean in Android project folder) or deleting the whole . I tried from Angular 5, too. #reactjs #nextjs14 #nextjstutorial #nextjs 在React中，为了解决"Cannot find namespace context"错误，在你使用JSX的文件中使用. ts(2503) SOLUTION FROM HERE. The documentation states: The export = syntax specifies a single object that is exported from the module. Error: Uncaught (in promise): TypeError: Cannot read property 'Autocomplete' of undefined TypeError: Cannot read property 'Autocomplete' of undefined Angular version 6 Typescript Version 2. user687554 user687554. javascript; reactjs; gulp; Share. The Context API in React allows for global data sharing across components, Cookies in React are used to set value in a key-value form which can be set in browser storage and used further for identifying the current user. io in your dependencies, that's all you need. For example, we have a PDF viewer from which you can add the selection to the las In case you are a React dev that ends up here as I did - if there is JSX syntax in the file, try changing the extension of the file from . You create a provider with a value and use that to wrap other components. Provider> <YourComponent/> // you call `useContext` in `YourComponent` </Context. Thanks for reading! Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. io server at the default URL (wherever your app was loaded from), and expose it in the child context for 正文从这开始~ 总览 在React中，为了解决"Cannot find namespace context"错误，在你使用JSX的文件中使用. Here is an example of how the error occurs in a file called App. asked Sep 18, 2016 at 13:12. js file. Working example In the above example, you can see what I'm trying to do However, when I try to do this on my box, it cannot seem to find the state values being passed through the useReducer. Star us on GitHub. If you find React Hook Form to be useful in your project, please consider to star and support it. json, but still no luck. TypeError: Cannot read property 'uuid' of undefined faker-js faker 3 Can't use @faker-js/faker in TypeScript project -- undefined -- but older "faker" import works. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Cannot destructure property 'future' of 'react__WEBPACK_IMPORTED_MODULE_0__. All of them suggest adding "jsx": "react" to your tsconfig. We thought that was enough for MUI packages to be able to use styled-components with React 19 types (mui/material-ui#42824), b I am trying to make a context with hooks in react with typescript like this: // StateGlobalContext. json file put jsx--set to jsx react-jsx and make sure to install all necessary @types packages for your application. Your Auth is called within the component but you call useContext before Auth usage which means your Context API has not been initialized yet. Here is one example. children} Cannot find namespace 'ctx' error when creating Context with react - typescript. Context. babelrc-old so it doesn't get used. Hot Network Questions The ten most fundamental topics in geometric group theory How does physicalism interpret mathematical theorems in physicalist terms? In PhD You didn't follow the sequence, let me share it with you here You are using TS, so 1. I followed some instruction Skip to main content. Consumer or the useContext() hook. Labels. devjiwonchoi opened this issue Dec 18, 2024 · 0 comments · May be fixed by #30031. The editor throws errors while importing every installed library like this: Cannot find module 'react' or its corresponding type Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers As you probably already have react (including react-dom) and socket. For example Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The problem is with the use of Link. (I use Link on an other component and it works well) My code. So either set some kind of value for the property that the If React cannot find the namespace `context`, it means that you are likely missing the necessary import statement or there is an issue with your project setup. McAnswers SIMPLIFY YOUR CODING JOURNEY Power by ChatGPT 4. ts(2503) in the line after the return statement where AuthContext. js Uncaught Error: Cannot find module 'react' I don't understand why react isn't getting loaded. ts" /> namespace Service { export class UserService implements IUserService { constructor() {} } Then tsc always complains that Cannot find name IUserService inside UserService. Ask Question Asked 2 years, 3 months ago. What should be the fix for this? You signed in with another tab or window. json文件中把jsx设置为react-jsx，并确保为你的应用程序安装所有必要的@types包。. import { createContext } from 'react' export const AccountContext = createContext(null) Is there an installation I'm missing? The docs for create-react-app point out that if you have ever installed their package globally you'll have to uninstall that. In the usual components, you can initialize them with a component wrapper like <Context. rerenders) but it works for me. Would you send me output of npx react Issue. Furthermore you are trying to export the context object inside another object: I am using React Context api to pass some states to different child components and it's returning undefined. The following changes are being made to your tsconfig. asked Sep 30, 2019 at 21:41. We’re also including a codemod for the most common replacements. state }}> {this. We usually strip those out using some sed script / patch / whatever. . to tsconfig. In considering the different ways to implement this a natural fit become apparent: React’s new Context API. See TypeScript changes below. I have used the same exact If you have some experience with React, you can probably already tell what is wrong with the above implementation of Context Provider. This will work: This will work:. It collects links to all the places you might be looking at while hunting down a tough bug. Primary = class Primary extends Component { }; However, using classes like Headline as namespaces is getting pretty deprecated with ES6 (and has previously been a questionable practice anyway), you should instead leverage the new module system. tsx instead of . e: /home/me/myProject/ Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I created a new project using create-react-app and yarn 2 in vs code. tsx extension for the files in which you use JSX, set jsx to react-jsx inyour tsconfig. export function AdminStoreProvider(props: any) { const [state I am trying to implement a small context store for my React project. tsx extension in your JSX file, and in your tsconfig. Move ShopContext into You signed in with another tab or window. Uncaught Error: Cannot find module 'apollo-link-context' I installed apollo-link Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. import React, { useEffect } from 'react' import { ThemeProvider } from 'styled-components' // this is needed so that components using theme will see it's type declare module 'styled-components' { interface DefaultTheme extends Theme {} } interface Theme { color: I'm following this tutorial and am up to the part about implementing a custom AuthContext provider. If you use typescript in your project, you have to install @types/react-router-dom too. 2. react. UPDATED: However, if I use 'static' then npx expo export -p web and npx serve dist then I'm able to at least get it running. Provide details and share your research! But avoid . x, decided to implement necessary changes but it doesn't want to work, copied example from react-navigation page but still shows same Find your MainActivity. Follow edited Nov 30, 2022 at 9:50. This custom hook allows you to access the form context. 0. From what I can tell of the code it seems you want the As you mentioned, the images are in an array and you need to render the images by running a map on your array. json file: - Solution targetting Angular8+ Projects: This is a known bug, caused due to the incompatibility of exceljs with the version of @types/node. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Hey, your issue description suggests me that React Native CLI did include react-native-screens into gradle build (didn't add react-native-screens as build dependency of your project. Using this to call the context. Update your code to this - React. However, I soon realized I would need to do a little set-up work to get this up and running. check the order of references – Aleksey Solovey. JSX in this repo. I'm working on a project with react using typescript and I'm having a bad time figuring out why this error is happening, basically, I can't use any createContext examples that I found on the internet because of this. You can do that different ways, but the easiest would be to add these two types in your tsconfig. ). There are many uses for context. If you just have one file using require, or you're doing this for demo purposes you can define require at the top of your TypeScript file. On Chrome Dev Tools, I see the below error: Error: Uncaught (in promise): TypeError: Cannot read property 'Autocomplete' of undefined TypeError: Cannot read property 'Autocomplete' of undefined Angular version 6 Typescript Version 2. ts to the consumers You signed in with another tab or window. js which is responsible for performing some operations during the firebase login and authentication process. json文件中把jsx设置为react-jsx，并确保为你的应用程序安 We are building a webapp with multiple editors that can be updated through interactions with other parts of the UI. js' And this is my context. Otherwise any Component that uses the Context, on the first render, will get undefined properties. I use React with React Quick and Dirty. ypdev19. I follow what the documentation said about namespace but it's not working for me. ts import React, { Dispatch, ReactNode, SetStateAction } from " react Cannot find namespace 'StateGlobalContext' reactjs; typescript; react-context; Share. useStore. log('hello'); } } } enigne. d. Vite treats them as relative to the file where the import is instead of the root. #reactjs #nextjs14 #nextjstutorial #nextjs This unexpectedly gives me the error Cannot find namespace 'AuthContext'. ts Hot Network Questions Why is running database integrity checks in parallel beneficial if you are following best practice on Enterprise Edition? Increasing pizza React Context uses the component hierarchy to make state broadly available. tsx. I am trying to use useContext hook, my context and provider file looks like this: import { createContext, useState, ReactNode, useContext } from 'react'; interface SideNavContextType { isOpen: b Use npm i react-router-dom or yarn add react-router-dom to install react-router-dom in to your project. TypeScript namespace could not be found. net. js. Property 'Provider' does not exist on type '() => string'. I've checked it several times but still can't decipher what I'm missing. 0 in the context of an angular9 app. What's the problem and what's the so Troubleshooting errors related to TypeScript and JSX. json and tsconfig. . I copied most of this code from a previous (working) project and changed the variable names - the biggest difference was I chang If this hasn't been answered yet. Here is the suggested code: const AuthProvider = ({ children In React, to resolve the "Cannot find namespace context" error, use the . 2. (Answer from expo forums. Finally, create a provider with all of the available methods which you already defined in the ref 1 (interface) If you don't understand after reading this I have been trying to get the user state to be accessible in my child react component using react-hooks and react-context for the last few hours and I can't figure it out. The editor throws errors while importing every installed library like this: Cannot find module 'react' or its corresponding type declarations. But that did not work for me. See the documentation And the class is not equal to the namespace. js in Canary to have an example app to view. I'm trying to install @chakra-ui and use it with Next, but it doesn't work at all. Explore Teams Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to use useContext hook, my context and provider file looks like this: import { createContext, useState, ReactNode, useContext } from 'react'; interface SideNavContextType { isOpen: b Intellisense complains that it can't find the namespace WorkorderListContext in WorkorderListProvider return, React Context - Use Provider with Cannot find namespace React Context TypeScript. 9. Context and Redux are not the same nor is it a state management The solution by @xiaobo was actually insufficient for me. engine. You signed in with another tab or window. Because ShopContext is declared inside App it isn't defined to use with the useContext hook in the routed components trying to consume the context value. Context lets a parent component provide data to the entire tree below it. You switched accounts on another tab or window. ts to . java file and add this import line: import com. It would be great for those of us looking to use React's new Context API and the new custom _app. com to publish codemods The result should look like it does in this demo: controlled-context-demo. booksdirectory { interface IData { BookName: string; } } But everytime I Typescript Cannot find namespace declared in global . /IUserService. I faced similar issue with Angular 10. Create an interface for const cntx = createContext 2. Provider as cast and tries to find a type Provider in the namespace ctx. ts#L74. com/react-ga/react-ga/blob/master/types/index. Provider> 正文从这开始~ 总览. BuildConfig; In terminal, go to android folder and run this: gradlew in terminal, go to main root and run this: yarn install Issue Description I am getting this error on angular 14. Troubleshooting My component doesn’t see the value from my provider . Asking for help, clarification, or responding to other answers. ts. e: /home/me/myProject/ React Context uses the component hierarchy to make state broadly available. If you have some experience with React, you can probably already tell what is wrong Your file extension is most likely . 在React中，为了解决"Cannot find namespace context"错误，在你使用JSX的文件中使用. ts I think you must add @types/react as a (peer or normal) dependency and than add import * as React from 'react'; Cannot find namespace 'React'. 1 React typescript - Cannot find module The React Context API is a robust feature announced in React 16. 3. Personally what caused my issue (which, once known, was an easy fix) was that I did the following together: I left tsconfig. ts instead of . json file. babelrc file in the root of your repository, re-name it to something like . It represents which context other components read or provide. Modified 1 year, 6 months ago. I know that there are some drawbacks to the Contexts API (e. I uninstalled and installed it again and it doesn't work. Copy link Additional context. Cannot find namespace React Context TypeScript. gradle folder (in Android project folder also). IntrinsicElements that can be used to set the type of HTML Tags in React components? Context Not so long ago, a PR replaced all usages of the deprecated JSX namespace with React. /node 在React项目开发中，你可能会遇到一个恼人的错误提示："Cannot find namespace context"。这个错误通常出现在使用JSX（JavaScript XML）语法编写组件的组件文件中。要解决此错误，只需采取一个简单的步骤即可。 I created a new project using create-react-app and yarn 2 in vs code. 7. Follow One guess: file extension should be . Provider> in the same component (or below) as where you’re The latest version of Typescript 5. Cannot find namespace 'StateContext'. The ShopContext React Context should be declared outside any React component. What is the equivalent of JSX. bug needs triage. I'm currently facing compilation issues with Babylon4. NOTE: This blog post assumes that you are already familiar with writing types and interfaces in TypeScript, as I try to create an intial setup for Jest in React + TypeScript. json file like this. 这里有个例子来展示错误是如何发生的。 In order to do that i need authorization headers to be implemented in React via Apollo Server. Provider is written. useFormContext is intended to be used in deeply nested structures, where it would become inconvenient to pass the context as a prop. It seems like the inspector cannot import the internally used "react" module. Sidebar. Store isn't a React component so it can't use the useStore hook. Here is how to fix this. json file and make sure to install all of the necessary @typespackages for your application. If you want to use namespace in nodejs side you need to export it also to use it in another module. If no values satisfy the testing can you add more context? does it say what cant find the namespace? – mast3rd3mon. That fixes all the react issues, thanks! The downside here is that the TypeScript import helper will import only from @apollo/client so it would be required to add a linter rule banning imports of @apollo/client to prevent Every time I run npm start, it overrides whatever I configure in {jsx: } with react-jsx in order to be compatible with JSX transform in React 17. Improve this question. Provider value={{ state: this. Follow edited Sep 18, 2016 at 13:23. json文件中把jsx设置为react-jsx，并确保为你的应用程序安装所有必要的@types包。 这里有个例子来展示错误是如何发生的。 [Bug]: @storybook/react types is incompatible with @types/react@19 Cannot find namespace 'JSX'. json in my root folder my-project/; Within my-project/ I had the conventional src/ folder; Within src/ I kept my TS files in sub-folders, and the TS files were trying to import other TS files Trying to run npm dev and unable to locate file context. In other words, the useStore hook is expecting a Redux Context to be provided to it from higher in the ReactTree. I created a new project using create-react-app and yarn 2 in vs code. Discover the future of the AI Stack with Algolia, be the first to see new platform demos and announcements, and get the most out of Algolia through interactive workshops. Thi By following these steps, you should be able to resolve the "Cannot find namespace Context" error in your React-TypeScript project. Any ideas on how to fix it? Thank you! javascript; reactjs; react-i18next; Share. namespace EngineSpace { export class Engine { public start() { console. npm uninstall -g create-react-app Trying to run npm dev and unable to locate file context. Before we dive in, its important we clear any misconceptions about React’s Context API. This compiles import { Context, createContext, useEffect, useState } from "react"; export class AppSettings { buildName: string = ''; authority: string That fixes all the react issues, thanks! The downside here is that the TypeScript import helper will import only from @apollo/client so it would be required to add a linter rule banning imports of @apollo/client to prevent 正文从这开始~ 总览. To help with the upgrade, we’ve worked with the team at codemod. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. So I don't fully understand how it actually works internally, and I hope to see answers not omitting in between solutions. Yes, you cannot avoid that, it is what typescript emits after compiling. 3 React import a module with a declared namespace. The problem is with the use of Link. Why would it ask about react in angular project? I also tried installing react but it did not work. I think that this pattern improves the organization of projects because global app state is all in one place. json file: - Your default export is AuthContextProvider (a component), not AuthContext (a context object): that won't work as you expect. ". #213. 2 possible solutions exists: Recommended: I have looked around a bit for a solution to this problem. If you have a . The context object itself does not hold any information. This can be a class, interface, namespace, function, or enum. For context: We are composing some components using react-aria-components; We are using Yarn 3 due to a compatibility limitation between the private npm registry vendor we have to use and Yarn 1. Add these two typing "@types/googlemaps" and "@types/markerclustererplus"; Make sure that you include these types in for project. It offers a way to share data within components without passing props directly at all stages. Change object to enum. Typescript Cannot find namespace Explanation: We are using the find method to check if the item is already in the cart. Cannot find namespace angular - angular1. It took me a while to figure this out after upgrading expo to v32, so here's what I did in case anyone else has the same problem. Manually download, reference, local type definition files Typescript does support some export = syntax, however it is limited to class, interface, namespace, function, or enum. charlesdlandau. The find method returns the value of the first element in the array that satisfies the provided testing function. Anything in the component tree under the provider can then access the React报错之Cannot find namespace context ~ 总览 在React中，为了解决"Cannot find namespace context"错误，在你使用JSX的文件中使用. Share. render(<MemoryRouter><Carrinho /></MemoryRouter>); Algolia DevCon - June 28-29, 2023. By declaring it inside App you are creating a new context every time App renders. The issue can be reproduce So I'm having a very weird issue with React Context + Typescript. Editor’s note: This article was last reviewed and updated by Popoola Temitope on 4 December 2024. useContext(AuthContext) Instead of this - useContext Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Getting an 'undefined' value when trying to access context from provider in TypeScript/React Hot Network Questions How do I install a small pet door in a hollow interior door? @johnk React's docs state: "createContext returns a context object. spec. json file put jsx--set to jsx react-jsx and make In this video, we'll see how to fix the error cannot find namespace which happens while creating a React context. Anything in the component tree under the provider can then access the context value using either Context. Create a pure component that will return actual context through useContext() 3. Home; React Context is Not State Management. It's my project. 5 with typescript. I have seen people resolve those by cleaning gradlew cache (. Improve this answer. Make sure you don't have relative aliases. 2 I tried from Angular 5, too. 这里有个例子来展示错误是如何发生的。 You signed in with another tab or window. js: import React from ' Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers I updated my android project, react-navigation was 3. Next generation testing framework powered by Vite. You signed out in another tab or window. In this video, we'll see how to fix the error cannot find namespace which happens while creating a React context. Having worked with Context API before, this seemed like a particularly well suited use for this API. Every time I run npm start, it overrides whatever I configure in {jsx: } with react-jsx in order to be compatible with JSX transform in React 17. { "angularCompilerOptions": { "types": ["chrome"] } } 3. To solve the "Cannot find namespace context" error in React typescript, use a. 195 2 2 silver badges 14 14 bronze badges. It appears that you are not calling useContext from the React namespace. createContext(); export class Provider extends Component { state = { editGroup: false, } render() { return ( <UserContext. Which then moves the responsibility of providing react. Which I have done. /context. You can thank me later. /"; I kept tsconfig. Stuck on an issue? Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. user687554. Learn how to fix the error 'cannot find namespace jsx'. Provider in components above to specify the context value, and call useContext(SomeContext) in components below to read it. Export Primary as a named export, and Cannot find module '@chakra-ui/react' or its corresponding type declarations. Follow Cannot find namespace 'SHAPES'. There are a few common ways that this can happen: You’re rendering <SomeContext. No response. 2 complains - TS2503: Cannot find namespace 'JSX'. Note that if the TypeScript compiler complains /// <reference path=". tsx扩展名，在你的tsconfig. So the path of the image must also be present in the array. When trying this with normal plain JavaScript everything worked perfectly. UPDATED: With regards to React: Cannot find module or its corresponding type declarations. import React, { useContext, createContext } from "react"; import { useAddress, useContract, Issue. Use npm i @types/react-router-dom React Context uses the component hierarchy to make state broadly available. I'm working on a project with react using typescript and I'm having a bad time Pro-tip: Bookmark this snippet for Context HOC!You’re gonna need it many times during React-TypeScript development. This hook returns a reference to the same Redux store that was passed in to the <Provider> component. Becuase namespace will be converted like this . TypeError: Cannot destructure property 'future' of 'react__WEBPACK_IMPORTED_MODULE_0__. facebook. g. ts File declare module myapp. This is specifically useful for global data that many I get the following error: Cannot find module 'react-i18next'. useContext()' as it is null. ; Sample: To give you some context, I was trying to create a global state using React’s context API using the below code. ts, because you're using JSX in your AuthContextProvider, and make sure your tsconfig is setup for jsx. lxajxrcdtztwtcrpxpyfqqugsccvywpyeagzfxnjbfprilncnj