Webpack4 + Babel7 整合範例

相關參考可以點此 教學連結

• 開發環境

  • Nodejs: https://nodejs.org/en/
  • NVM: https://github.com/coreybutler/nvm-windows/releases
  • VSCode: https://code.visualstudio.com/#alt-downloads

• NVM指令

  • nvm list：查看已安裝的版本
  • nvm list available：查看有哪些 Node 版本可以裝
  • nvm install v8.11.2：安裝指定的 Node 版本
  • nvm use v8.11.2：指定 Node 版本

---

webpack.config.js

var path = require('path');
module.exports = {
    context: path.resolve(__dirname, 'js'),
    entry: {
        index: './index.js'
    },
    output: {
        path: path.resolve(__dirname, 'js'),
        filename: './index.bundle.js',
    },
    module: {
        rules: [
            {
                test: /\.(js)$/,
                exclude: /(node_modules)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                      presets: ['@babel/preset-env']
                    }
                }
            }
        ]
    }
}

package.json

{
  "name": "Babel",
  "version": "1.0.0",
  "description": "",
  "main": "webpack.config.js",
  "scripts": {
    "watch": "webpack --mode development --watch",
    "start": "webpack --mode development",
    "deploy": "webpack --mode production"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/core": "^7.0.0",
    "@babel/preset-env": "^7.0.0",
    "babel-loader": "^8.0.2",
    "webpack": "^4.5.0",
    "webpack": "^4.21.0",
    "webpack-cli": "^3.1.2"
  }
}