vue/cli 配置动态代理无需重启服务的操作方法

devServe = http://localhost:3000;
prodServe = http://localhost:4000;

const { defineConfig } = require('@vue/cli-service');
const createProxy = require('./dynamic_proxy');

module.exports = defineConfig({
    transpileDependencies: true,
    devServer: {
        proxy: {
            '/': {
                target: '',
                ws: false,
                changeOrigin: true,
                router: () => {
                    return createProxy();
                }
            }
        }
    }
});

[
    {
        "name": "devServe",
        "ip": "http://xxx.xxx.xxx.xxx:3001",
        "active": true
    },
    {
        "name": "prodServe",
        "ip": "http://xxx.xxx.xxx.xxx:3000",
        "active": false
    }
]

const { readFileSync } = require('fs');
const { resolve } = require('path');
const getProxyList = () => {
    try {
        const proxyList = readFileSync(resolve(__dirname, './proxy.list.json'), 'utf-8');
        return JSON.parse(proxyList);
    } catch (error) {
        throw new Error(error);
    }
};
const getActiveProxy = () => {
    try {
        const proxyList = getProxyList();
        if (proxyList.some(i => i.active)) {
            return proxyList.find(i => i.active);
        }
    } catch (error) {
        throw new Error(error);
    }
};
module.exports = () => {
    return getActiveProxy().ip;
};

npm run serve

http-proxy-middleware router配置源码