npm install monaco-editor --save
npm install monaco-editor-nls --save
npm install monaco-editor-webpack-plugin --save
npm install monaco-editor-esm-webpack-plugin --save-dev
 

{
  "dependencies": {
    "monaco-editor": "^0.20.0",
    "monaco-editor-nls": "^2.0.0",
    "monaco-editor-webpack-plugin": "^1.9.1",
  },
  "devDependencies": {
    "monaco-editor-esm-webpack-plugin": "^2.0.0"
  }
}

const MonacoWebpackPlugin = require('monaco-editor-esm-webpack-plugin');
 
module.exports = {
	configureWebpack: {
		module: {
			rules: [{
				test: /\.js/,
				enforce: 'pre',
				include: /node_modules[\\\/]monaco-editor[\\\/]esm/,
				use: MonacoWebpackPlugin.loader
			}]
		},
		plugins: [
			new MonacoWebpackPlugin()
		]
	}
}

// 漢化 monaco
import { setLocaleData } from "monaco-editor-nls"
import zh_CN from "monaco-editor-nls/locale/zh-hans"
setLocaleData(zh_CN)
 
 
//先漢化語言，再加載monaco才能漢化成功，使用import方式無法漢化
//需要使用require方式引入monaco-editor
//import * as monaco from 'monaco-editor' 
const monaco = require("monaco-editor/esm/vs/editor/editor.api");