Questions tagged [create-react-app]

create-react-app is an amazing tool that simplifies the process of creating React applications. It eliminates the need for manual build configuration, making it perfect for beginners who are just diving into the world of React development. By automating the build process of your application, create-react-app allows you to focus on writing code and exploring the limitless possibilities of React. One of the remarkable features of create-react-app is the absence of a configuration file. This means you don't have to spend valuable time figuring out complex settings or tweaking multiple files before starting your project. Instead, you can instantly jump in and start building your dream React application! Another advantage is that create-react-app only adds one additional build dependency called "react-scripts" to your package.json file. This keeps your project lightweight and clutter-free, ensuring a smooth and efficient development experience. With create-react-app, you'll discover that your environment is fully equipped with all the necessary tools and dependencies to build modern React applications. As a result, you'll be able to unleash your creativity and bring your ideas to life without any hassle. Embrace create-react-app as your go-to starter-kit and unlock the full potential of React development effortlessly!

What is the best way to send an API request from a React frontend to my Next.js backend running on localhost?

I have currently developed a create react app and I am interested in creating a next.js backend for it. I have set up an API route on the server-side which will fetch data from another API and generate a response accordingly. I do not want to fully migrate ...

Simultaneously, the installation and build process of a JS application pipeline (utilizing Express for the server and Create-React-App for the client

Issue: My project consists of a server (Express Server for file uploading and deleting) and client (Front End Create-React-App). The structure of the project is as follows: Root Folder With Server Client Folder Each folder has its own package.json. Serv ...

Running yarn build in react results in CSS modifications

When working in my local development environment, I have everything functioning as intended. However, after executing yarn build, all of my styles appear drastically different. The project was set up using create-react-app and styled with regular CSS. Bel ...

The presence of a setupProxy file in a Create React App (CRA) project causes issues with the starting of react-scripts,

I have implemented the setupProxy file as outlined in the documentation: const proxy = require('http-proxy-middleware'); module.exports = function (app) { app.use( '/address', proxy({ target: 'http ...

The Mechanics of Running "npm start" in create-react-apps

Can you explain what activity occurs behind the scenes when the npm start command is executed? Does it create a web server to facilitate communication between your browser and the application? ...

Trouble encountered while executing npm run build using create-react-app

I created a small react application using the create-react-app template. The app functions properly when serving the content with npm run. However, when attempting to run the builder for the first time to showcase a demo, I encountered an error while exec ...

The plugin registration failed for 'html-webpack-plugin-before-html-processing' as the specified hook could not be located

An error occurred: Plugin could not be registered at 'html-webpack-plugin-before-html-processing'. The hook was not found. BREAKING CHANGE: There must be a hook at 'this.hooks'. To create a compatibility layer for this hook, hook into & ...

When trying to deploy a MERN stack app on Heroku, encountering issues with the front-end functionality not working as

The front-end is developed using create-react-app, while the backend is built with express, node.js, and MongoDB. It functions without any issues locally, but after deploying to Heroku, only the backend seems to be working... index.js app.use(express.s ...

The command "react-scripts" couldn't be located in the current environment

Currently enrolled in a Udemy course that involves using create-react-app. However, I encounter an error when attempting to run npm start and/or yarn start. You can find the course here: Complete React Developer in 2020 (w: Redux, Hooks, GraphQL) To init ...

Where should I store dynamically uploaded images in create-react-app?

Hey there! I've been using create-react-app and implemented a file upload feature for images. The uploads are then sent to the backend and saved locally within the project's build directory. Currently, I can reference these images dynamically via ...

Is there a solution to prevent fsevents warnings from appearing?

While delving into the realm of React and utilizing npm, I often encounter these types of warnings: > npm install axios redux react-redux redux-thunk react-router-dom validator redux-form npm WARN optional SKIPPING OPTIONAL DEPENDENCY: <a href="/cdn ...

Can you explain the variance between Next.js and Create React App?

I've been curious about understanding the distinctions between Next.js and Create React App (CRA). Both aim to simplify our lives when developing front-end applications with React. While researching online, I came across a key difference: Next.js o ...

Encountering a sudden MUI DatePicker Error after transitioning from Create React App to Vite for production

While my project works smoothly with CRA, I decided to switch to Vite and encountered some issues. Everything seems fine on the development server, but when I tried to go live, a problem arose on every page where I imported { DatePicker } from @mui/x-date- ...

Halting execution: Trying to use the keyword 'import' which is not allowed here

0. April 2023: error cannot be reproduced anymore see here The error is no longer replicable due to bug fixes in react-scripts 5.0.1. 1 Even though the error is gone, the question and my self-answer still seem relevant to Angular users and others as we ...

Having trouble with the npm run eject command?

Encountering an issue post executing npm run eject in my React project. If anyone has a solution to this problem (refer to the error in the image), please let me know. https://i.stack.imgur.com/FkNOf.png Appreciate any help provided. Thank you! ...

Error 404 - The requested resource at https://registry.npmjs.org/@typescript-eslint%2feslint-plugin could not be located

Encountering an issue when attempting to start a new project using 'create-react-app' While installing packages, an error has occurred which may take some time to resolve. Installing react, react-dom, and react-scripts with cra-template... npm E ...

Jenkins Docker build fails for React app, while the local build is successful

When I run npm run build on my local machine, everything works perfectly. However, when I try to run it on a Docker image launched through Jenkins, I encounter some issues: Cannot find module: 'file-saver'. Make sure this package is installed. Y ...

Having trouble displaying SVG elements in Material UI

Currently, I am faced with an issue while trying to display a .svg file in the header of a drawer using Material-UI and create-react-app. Instead of the expected .svg image, all I see is a broken image rendering. Any assistance on resolving this problem ...

Typescript Server Problem: Critical Error - Mark-compacts Inefficiently Close to Heap Limit, Allocation Unsuccessful - JavaScript Heap Exhausted

Whenever I run my CRA project, I consistently encounter this error in my console. It seems to be related to the typescript server. Is there a solution for this issue? 99% done plugins webpack-hot-middlewarewebpack built preview 7c330f0bfd3e44c3a97b in 64 ...

Trouble arises with Service Workers during the transition from Create React App to Next JS

After transitioning our landing page from create-react-app to Next.js, we encountered an issue with users receiving a cached version of the old website. This is due to the default service worker that was registered on their browsers when using create-react ...

Every time I try to create a new React app, I consistently run into the same error

I keep encountering this error every time I try to create a React app using create-react-app. ...

When trying to use 'npm start' in create-react-app, I ran into issues even with freshly created applications. The errors were being thrown within the chokidar node_module

Encountered an error when trying to start 'test_app' using 'npm start' on a newly created application with 'create-react-app'. This issue is also present in previously created projects using create-react-app. I've attempt ...

dotenv fails to execute when using root privileges

I have a node application developed using create-react-app. Initially, I set it up to run on port 80 by adding a .env file with the following content: PORT=80 However, when attempting to start the app using npm start, I encountered an error: ? A ...

Is there a way to modify the route or file name of the index.html file in a React project?

Every time I use npm build to create a React app (using the typical react-scripts/create-creact-app, etc.), the entry file always ends up in build/index.html. I attempted to move the src folder into a subfolder, but unfortunately, index.js must remain in ...

trouble implementing CSS modules with TypeScript in a Create React App project

Every time I try to import a css module file into my component, the compiler throws an error ERROR in src/layouts/Menu/MenuTop/TabOne.tsx:11:20 TS2307: Cannot find module './TabOne.module.css' or its corresponding type declarations. > 11 | import styl ...

Turning a regular folder into a ReactJS application: A beginner's guide

I'm in the process of developing a react js app, so I decided to set up node js on my Windows machine and ran the command: npm install -g create-react-app in the directory 'C:UsersDesktopReactDemo'. However, the result placed the newly created directory ...

Suggestions for stopping the errors when using npx create-react-app

Attempting to kick off a react project by running the command npx create-react-app dashboard, but encountering this error: npm ERR! code ENOENT npm ERR! syscall rename npm ERR! path /home/<myfolder>/.npm/_cacache/tmp/33c12b20 npm ERR! dest /home/< ...

Performing React axios requests to an Express API on a Heroku server deployment

I have been working on a React todo app that I created using create-react-app. In order to retrieve all the appointment objects, I built a simple express server that queries mongoDB. It functions perfectly when running locally on my machine - with the fron ...

Having trouble setting up create-react-app on my Windows 10 machine

Struggling with installing create-react-app on my Windows 10 operating system. I've meticulously followed the given steps, however, the installation process seems to never-ending and eventually comes to a halt. Here's a breakdown of the steps I t ...

Setting up your configuration for create-react-app once you have ejected to start building your very own component library

As I embarked on creating a component library to publish on NPM and reuse in various apps, I decided to start by developing a React app with the help of create-react-app. However, it quickly became apparent that the default configuration of create-react-ap ...

Major issue still remains unresolved with npx create-react-app

Every time I try to create a new React app with npx create-react-app my-app, I encounter a huge problem. Despite completely deleting Node, npm, and npx twice, re-downloading them, and ensuring that my $PATH is set to usr/local/bin, I am still faced with th ...

A guide on utilizing webpack devServer proxy within a create react app

Currently, I am in the process of developing a new application with create-react-app and I am looking to incorporate some proxies into my code. In the past, I utilized webpack's devServer for this purpose. module.exports = { ... devServer: { ...

I am facing issues with getting create-react-app to function properly on my computer

While attempting to start my React project, an error log appeared C:\Users\Ezhil & rishii>npx create-react-app firstapp 'rishii\AppData\Roaming\npm\' is not recognized as an internal or external command, opera ...

What is causing the yarn create react-app command to malfunction?

After attempting to create a React project using Yarn in order to utilize Elastic UI, my terminal displayed an error following the command: yarn create react-app my-app The error message included: ➤ YN0000: ┌ Resolution step ➤ YN0061: │ tar@npm:2. ...

What is the correct method for orchestrating API requests during deployment with create-react-app and an ExpressJS backend?

I have encountered a problem while trying to deploy my react application to the server. After deployment, when the app attempts to make API calls to the same server, an error occurs: Cross-Origin Request Blocked: The Same Origin Policy disallows reading ...

Guidelines on switching from Create React App 5.0.0 to version 4.0.3

I've encountered an issue with create-react-app where the latest release requires Node 14, but my workplace only approves version 12.16.3. In this scenario, I'm exploring ways to use create-react-app with an older version of Node. I attempted to globally ...

What's the best way to establish the namespace for styled components within a create-react-app environment?

As I work on my react app using create-react-app, I am determined to find a way to customize the generation of classes without needing to eject the webpack config. To achieve this, I have turned to using react-app-rewired along with react-app-rewire-styled ...

Transitioning from a create-react-app setup to a standard React application

Recently, I've delved into a commercial project developed by another programmer using create-react-app. As the project continues to grow and evolve, working with create-react-app has become increasingly cumbersome. I desire the flexibility to configure web ...

There seems to be a problem with create-react-app as it is not being recognized as a valid cmdlet, function, script file, or program

I currently have Node(v6.10.3) and npm(3.10.10) installed on my computer system. After successfully installing create-react-app, I attempted to create a new project by running the command: create-react-app sample-app. However, an error message appeared: ...

encountering an issue following the initial setup using create-next-app

After searching on Stack Overflow and finding no answers, I am posting this question again. When I create a new project in Next.js using npx create-next-app project-name --ts and run npm run dev without making any changes to the source code, I encounter t ...

What could be causing the glitches I'm encountering while attempting to develop a React application with 'create-react-app'?

Recently, I set up my new PC and wanted to start writing React code. After installing npm, the next step was to run npx create-react-app. However, every time I tried, I encountered this error message: $ npx create-react-app code-app npm ERR! code ENOENT np ...

Having trouble with the `npm start` command while working with react.js?

Currently, I am in the process of setting up React.js. To achieve this, I executed npm install -g create-react-app followed by create-react-app my-app. Afterward, I proceeded to run the npm start command but encountered the error displayed below. https:// ...

How can I modify the preset website design in React.js (vite)?

Whenever I start a new react js project, I am always met with the default template that includes unnecessary code. I find myself spending time navigating through different files to clean it up before I can start building. I've been searching for a blank ...

Find the location of the .env file directory in Create-React-App outside the root directory

After setting up a new web application using create-react-app (CRA), I find myself in need of incorporating environment files to configure different endpoints. While CRA comes equipped with the handy dotenv package, there is a slight hiccup - I prefer to h ...

Version 4.0.1 update has caused create-react-app to stop functioning

After attempting to install create-react-app with different methods such as npm i create-react-app, npx create-react-app new-app, and npm init react-app new-app, I consistently encounter the following error message: The version of create-react-app instal ...

Accessing Facebook through the React create app login

I recently developed a React Webapp using the create-react-app module. My current challenge involves integrating Facebook login, but I'm encountering some obstacles. I am unsure about where to incorporate the Facebook JavaScript SDK asynchronously to util ...

What are the steps for importing a file into a React app that is built using Create React App as plain text?

Objectives I aim to showcase code snippets from the project itself for reference. I intend to keep the displayed code up-to-date with its implementation. I prefer not to remove myself from create-react-app This React project, built using create-react-ap ...

Utilizing the "as" keyword for type assertion in a freshly created react application using create-react-app leads to the error message `Parsing error: Unexpected token, expected ";"`

After creating a new CRA project using yarn create react-app my-app --template typescript, I encountered an error when trying to run the development server with yarn start: src/App.tsx Line 5:24: Parsing error: Unexpected token, expected ";" ...

Having trouble deploying a React app on Digital Ocean? If your application is getting stuck at the 'starting development server' stage, here’s

After deploying my app on the Digital Ocean App platform and successfully connecting it to my GitHub page, I encountered an issue when trying to access the live site. Upon opening the site, I received a 504 error and upon checking the logs on the App plat ...

Despite creating it, the create-react-app still refuses to run

*npm ERROR! code ELIFECYCLE npm ERROR! error number 1 npm ERROR! [email protected] start: react-scripts start npm ERROR! Exit status 1 npm ERROR! npm ERROR! Failed at the [email protected] start script. npm ERROR! This is probably not a pro ...

Difficulty encountered while deploying a React application on Netlify

I followed the instructions on a Medium link to deploy my React application on Netlify: To set up the production mode, I utilized an express server for defining build scripts. After creating the build scripts on my local machine, I uploaded them to the Ne ...

Absolute imports in create-react-app do not function properly when using yarn v2 workspaces alongside typescript

I am currently utilizing yarn v2 workspaces, and within my workspaces, I have a frontend project built using create-react-app / react-scripts. My goal is to enable absolute imports in the frontend application so that I can simply do things like import Butt ...

Issue: The module 'react-dev-utils/getPublicUrlOrPath' cannot be located

I recently deployed my React.js application on Heroku but encountered a message stating: The Browserslist indicates that caniuse-lite is outdated and advises to run the following command: npm update. In response, I executed npm update followed by ...

Encountering an error with my electron application built using create-react-app

While I'm working on my project, my electron window is showing this error message. TypeError: fs.existsSync is not a function getElectronPath ../node_modules/electron/index.js:7 4 | var pathFile = path.join(__dirname, 'path.txt') 5 | ...

Avoiding the insertion of styles into the HEAD section when using Webpack MiniCssExtractPlugin in combination with Create React

Currently, I am utilizing create-react-app to develop a component library with Storybook JS. The ultimate goal is to release an NPM package containing these components for use in various projects. Within this library, SASS is employed, complete with global ...

Integrating threejs dynamically into a Create React App environment

When I am dynamically loading Three.js, the variable THREE is not found. I have created a React project using create-react-app and copied the three js file into the public folder. Here's the directory structure: src public ├── js │ └── thr ...

Utilizing jQuery-dependent plugins in a Create-React-App: A comprehensive guide

Looking to integrate bootstrap and other jQuery plugins like datepicker and carousel into my React app that is built with create-react-app. This is the method I am using to import jQuery and bootstrap: import React, { Component } from 'react'; import 'bo ...

Enhanced approach to building with React and Express

Quick Summary: How can I set up a project using React on the front-end and Express on the back-end with just one package.json and node_modules folder? When starting a project that combines a React front-end and an Express back-end, my desired structure is ...

Discover the steps to successfully deploy a create-react-app project on GitHub Pages, while resolving the error message "fatal: Could not read from remote repository."

Whenever I try to deploy a create-react-app on GitHub pages, an error occurs. I have enabled gh-pages in the repository's settings, installed the necessary dependencies for gh-pages, and added the required scripts to package.json. The repository can be f ...

What are the steps to set up auto-building with create-react-app?

I've been utilizing create-react-app for some time now. Autoreloading with 'npm start' or 'yarn start' has been working well on its own, but now I'm facing another issue. Currently, I am running the app on an Express server through the build folder and u ...

Encountering a "Module not found" error while trying to run npm start in a Create React App

I'm attempting to initiate a React project using create-react-app. Encountered an error when running npm start: Failed to compile. multi ./node_modules/react-scripts/config/polyfills.js ./node_modules/react-dev-utils/webpackHotDevClient.js ./src/index. ...

No results appearing in the output section

While developing a website using React, I encountered an error that said useState is defined but never used in the navbar component. To address this, I made changes to my ESLint configuration in the package.json file: "rules": { "eqeqe ...

Running YARN START results in a "no available space on device" error

Operating System: UBUNTU 18.04 After creating a basic create-react-app project, I initiated the server using yarn start. Surprisingly, it works smoothly 30% of the time, but encounters an error in 70% of cases as described below. Starting the development ...

When using create-react-app, the value of 'process.env.NODE_ENV' can be accessed as either a string or a process object during runtime

Have you come across code that looks like this: if(process.env.NODE_ENV === 'development') { // Perform operations specific to DEVELOPMENT mode } Similarly, you might see process.env.NODE_ENV === 'production. When we run npm run build on a crea ...

Utilize React to selectively execute either Server-Side Rendering or Client-Side

My current website utilizes SSR (using nextJS) to display the landing page in the root directory. However, I am interested in having my create-react-app application displayed when a user is logged in, and revert back to showing the landing page when they a ...

Encountered an issue during the creation of a React app using create-react-app

Sorry! It seems like there was an error with the npm installation process. The system returned a code EPERM, which stands for permission error. This could be due to the system not allowing the creation of a directory at the specified path here. The operati ...

What is the process for opening both an HTTP and an HTTPS port on a Create-React-App application?

Currently, my project is built using React along with Create-React-App. I have come across information online stating that Create-React-App only opens one unique PORT. This has prompted the question of whether it is possible to open two different ports f ...

Encountered an issue while installing create-react-app through npm, as well as experiencing an error while trying to initialize react

Having trouble installing create-react-app and encountering errors? $ npm install create-react-app npm ERR! code ECONNREFUSED npm ERR! errno ECONNREFUSED npm ERR! FetchError: request to https://registry.npmjs.org/create-react-app failed, reason: connect EC ...

When using the command npx create-react-app myapp, it produces a FETCH_ERROR

npm ERROR! FETCH_ERROR occurred npm ERROR! FETCH_ERROR code returned npm ERROR! Received invalid JSON response from http://registry.npmjs.org/@typescript-eslint%2fparser due to Unexpected numeric value in JSON at character position 80754 No solutions hav ...

Why does the same error keep popping up every time I attempt to install my React application?

I am new to React and feeling frustrated as I keep encountering the same error repeatedly. I have tried three different codes individually: npx create-react-app myapp npm init react-app myapp npm install -g create-react-app followed by create-react- ...

React App's proxy configuration to connect with an Express server for PassportJS authentication is currently malfunctioning

After spending some time trying to configure a proxy for my React app to connect with my Express backend, using passportjs for Google social authentication, I encountered an issue. The React development server is running on PORT 3000 while the Express ser ...

I'm encountering a problem during the installation process of Create-react-app

Looking to dive into React.js, I've been following the official documentation which suggests using - npx create-react-app my-app for installation. However, I keep encountering the error shown below. Any assistance would be greatly appreciated. https://i.s ...

Tips for circumventing the need to utilize npx Create-react-app repeatedly

Not sure, but it seems to take quite a while to resolve things... should I go ahead and install it globally with the -g flag? Every time I install it, react and react-dom are also included... if I were to install react globally, would that help reduce th ...

npm run build command fails to compile, even though the development version is operational

I am facing an issue with my React app that was created using create-react-app. When I try to compile a production build using npm run build, it fails and throws the following error: $ npm run build > [email protected] build C:UsersUserDocument ...

The package name "node_modules" is invalid as it is on the blacklist of restricted names

Having trouble installing npm modules on the client side of my react app and encountering deployment issues with Heroku. The specific error message is: `npm ERR! code EINVALIDPACKAGENAME npm ERR! Invalid package name "node_modules": node_modules is a bla ...