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express-proxy-mock

v2.1.6

Published

This is an express middleware that can be used with webpack and vite. Its main function is to visualize the configuration, manage proxies, and mock data.

Downloads

1,178

Readme

express-proxy-mock

Description

Middleware for express, mainly used for proxy requests and MOCK data. It can be used for all development projects that start services with webpack, vite, and other express-based servers. This middleware should only be used for development.

Some benefits of using this middleware include:

  • Proxy requests and MOCK data
  • Visual management of MOCK data and proxy functions
  • Proxy support for global proxy and custom proxy for a specific URL
  • Switch between proxy forwarding or MOCK data for a specific URL at any time
  • Return different MOCK data based on different parameters
  • Quickly save the data returned by the most recent request as MOCK data

Getting Started

First, install the module:

npm install express-proxy-mock --save-dev

Usage

webpack.config.js

module.exports = {
  //...
  devServer: {
    setupMiddlewares(middlewares, devServer) {
      devServer.app.use(proxyMockMiddleware({
        apiRule: '/api/*',
        lang: 'en'
      }))
      return middlewares
   }
  },
};

express

const { proxyMockMiddleware } = require("express-proxy-mock");
const express = require("express");
const app = express();

app.use(
  proxyMockMiddleware({
    // express-proxy-mock options
  }),
);

app.listen(3000, () => console.log("Example app listening on port 3000!"));

Open the browser at http://localhost:3000/config to see the configuration interface for proxy and MOCK data.

Refer to below for usage examples with vite, webpack, and vueConfig.

Options

| Name | Type | Default | Description | | :---------------------------------------------: | :-------------------------------: | :-------------------------------------------: | :------------------------------------------------------------------------------------------------------------------- | | apiRule | string | /api/* | Global proxy matching rule, default is all requests starting with api | | https | boolean | true | Whether to proxy https requests. | | configPath | string | /config | Address to open the configuration page, default is http://localhost:3000/config | | cacheRequestHistoryMaxLen | number | 30 | Maximum number of cached request data | | lang | number | zh | lang (en,zh) |

Other Servers

Here are examples of usage with other servers.

Webpack >= 5.0

Modify the config file, such as vue.config.js

// vue.config.js or other webpack config files
const { proxyMockMiddleware } = require('express-proxy-mock')

module.exports = {
  //...
  devServer: {
     setupMiddlewares(middlewares, devServer) {
        devServer.app.use(proxyMockMiddleware({
          apiRule: '/api/*',
          lang: 'en'
        }))
        return middlewares
    }
  }
};

Webpack <= 4+

// vue.config.js or other webpack config files 
const { proxyMockMiddleware } = require('express-proxy-mock')

module.exports = {
  //...
   devServer: {
     before(app) {
      app.use(proxyMockMiddleware({
        apiRule: '/api/*',
        lang: 'en'
      }))
    }
   }
  };

vite

Create a server.js file in the root directory, and change the value of dev under scripts in package.json to "node server.js"

import express from 'express';
import { createServer as createViteServer } from 'vite';
const { proxyMockMiddleware } = require('express-proxy-mock')

async function createServer() {
  const app = express();
  
  // Create Vite server
  const vite = await createViteServer({
    server: {
      middlewareMode: 'ssr',
      hmr: {
        // Configure HMR options, such as specifying the WebSocket server port
        port: 8838
      }
    }
  });

  // Introduce our proxy tool
  app.use(proxyMockMiddleware({
    apiRule: '/api/*',
    lang: 'en'
  }))

  // Use Vite's Connect instance as middleware
  app.use(vite.middlewares);

  app.listen(8800, () => {
    console.log('Server is running at http://localhost:8800');
  });
}

createServer();

Contact Me

QQ Group: 930832439

License

MIT