backend-vue/vue.config.js

const { defineConfig } = require('@vue/cli-service')

function uploadProxyTarget() {
	const base = (process.env.VUE_APP_API_BASEURL || '').replace(/\/+$/, '')
	return base.replace(/\/adminapi$/i, '') || base
}

module.exports = defineConfig({
	//设置为空打包后不分更目录还是多级目录
	publicPath:'',
	//build编译后存放静态文件的目录
	//assetsDir: "static",

	// build编译后不生成资源MAP文件
	productionSourceMap: false,

	//开发服务,build后的生产模式还需nginx代理
	devServer: {
        allowedHosts: 'all',
		open: false, //运行后自动打开浏览器
		port: process.env.VUE_APP_PORT, //挂载端口
		proxy: {
			'/adminapi': {
				target: process.env.VUE_APP_API_BASEURL,
				ws: true,
				pathRewrite: {
					'^/adminapi': '/'
				}
			},
			'/upload': {
				target: uploadProxyTarget(),
				ws: true,
				changeOrigin: true
			}
		}
	},

	lintOnSave: false,
	
	chainWebpack: config => {
		// 移除 prefetch 插件
		config.plugins.delete('preload');
		config.plugins.delete('prefetch');
		config.resolve.alias.set('vue-i18n', 'vue-i18n/dist/vue-i18n.cjs.js');
	},

	configureWebpack: {
		//性能提示
		performance: {
			hints: false
		},
		optimization: {
			splitChunks: {
				chunks: "all",
				automaticNameDelimiter: '~',
				name: "scuiChunks",
				cacheGroups: {
					//第三方库抽离
					vendor: {
						name: "modules",
						test: /[\\/]node_modules[\\/]/,
						priority: -10
					},
					elicons: {
						name: "elicons",
						test: /[\\/]node_modules[\\/]@element-plus[\\/]icons-vue[\\/]/
					},
					tinymce: {
						name: "tinymce",
						test: /[\\/]node_modules[\\/]tinymce[\\/]/
					},
					echarts: {
						name: "echarts",
						test: /[\\/]node_modules[\\/]echarts[\\/]/
					},
					xgplayer: {
						name: "xgplayer",
						test: /[\\/]node_modules[\\/]xgplayer.*[\\/]/
					},
					codemirror: {
						name: "codemirror",
						test: /[\\/]node_modules[\\/]codemirror[\\/]/
					}
				}
			}
		}
	}
})