How to set up babel for express-js .

 ðŸ‘‰ How to set up babel for express-js . 

Browser not understand es6 code so use babel.

1. Firstly install express 

2. After install express js than

  npm install -D @babel/cli @babel/core @babel/preset-env

 3. Make a file with .babelrc and Paste this code.

 { "presets": ["@babel/preset-env"] }

 4. Write this code in Package.json in Script

 "scripts": { "start": "babel index.js -w --out-dir prd", "dev-serve": " nodemon prd/index.js" },

 5. After this run in terminal

 npm start //This is use for showing compiler data one by one.

 6. and open a another terminal and write 

npm run dev-serve 

--------------------------If Not have index.js file -------------------------------------------------------- 7. 

index.js code for showing data Hello word import express from 'express'; const app = express() const port = 3000 app.get('/', (req, res) => { res.send('Hello World!') }) app.listen(port, () => { console.log(`Example app listening on port ${port}`) })

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