[WEBPACK] 3. Webpack : Apply Babel Cho Project (nghiepuit)

https://www.youtube.com/watch?v=_BZDmxVC2fo&list=PLJ5qtRQovuEOqsMokakP9ue-y_jXhmCwJ&index=3

C:\Users\Administrator\Desktop\webpack\dist\index.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Hello Webpack</title>
	<script type="text/javascript" src="bundle.js"></script>
</head>
<body>
	
</body>
</html>

C:\Users\Administrator\Desktop\webpack\webpack.config.js

var path = require('path');
module.exports = {
  mode: 'development',
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  module: {
  	rules: [
  		{
  			test: /\.js$/,
  			exclude: /(node_modules)/,
  			use: 'babel-loader',
  		}
  	]
  }
};

C:\Users\Administrator\Desktop\webpack.babelrc

{
	"presets": ["@babel/preset-env"]
}

C:\Users\Administrator\Desktop\webpack\package.json

{
  "name": "webpack",
  "version": "1.0.0",
  "description": "",
  "main": "webpack.config.js",
  "scripts": {
    "start": "webpack"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "babel-core": "^6.26.3",
    "babel-loader": "^8.1.0",
    "babel-preset-env": "^1.7.0",
    "webpack": "^4.44.2",
    "webpack-cli": "^3.3.12"
  },
  "devDependencies": {
    "@babel/core": "^7.11.6",
    "@babel/preset-env": "^7.11.5"
  }
}

C:\Users\Administrator\Desktop\webpack\src\index.js

import sum from './math';
const total = sum(3,5);
document.write(total);

C:\Users\Administrator\Desktop\webpack\src\math.js

const sum = (a, b) => a + b;
export default sum;
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