react-scripts

Recently i started working on web pack and react-scripts and i would like to know the advantages and disadvantages using them and how they are different from each other. Oboo Chin Basically speaking, they serve different purposes and usually show up together. I will explain what they are designed to do. babel Babel is a transpiler. It can translate all kinds of high version ECMAScript ( not only ECMAScript, but it's easy to understand) into ES5, which is more widely supported by browsers (especially older versions). It's main job is to turn unsupported or cutting-edge language features into

What does the npm run eject command do? I do understand what other commands do like start, build, test. But no idea about eject. create-react-app encapsulates all of the npm modules it is using internally, so that your package.json will be very clean and simple without you having to worry about it. However, if you want to start doing more complex things and installing modules that may interact with modules create-react-app is using under the hood, those new modules need to know what is available and not, meaning you need to have create-react-app un-abstract them. That, in essence, is what

I'm using the following environment variable in my create-react-app: console.log(process.env.REACT_APP_API_URL) // http://localhost:5555 It works when I run npm start by reading a .env file: REACT_APP_API_URL=http://localhost:5555 How do I set a different value like http://localhost:1234 when executing a npm run build ? This is my package.json file: { "name": "webapp", "version": "0.1.0", "private": true, "devDependencies": { "react-scripts": "0.9.0" }, "dependencies": { "react": "^15.4.2", "react-dom": "^15.4.2" }, "scripts": { "start": "react-scripts start", "build": "react-scripts build",