{
  "context": "This criteria evaluates how well the engineer uses http-proxy-middleware to configure development proxies in Create React App. It focuses on proper usage of the createProxyMiddleware function and its configuration options for HTTP and WebSocket proxying.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Import createProxyMiddleware",
      "description": "Correctly imports the createProxyMiddleware function from the http-proxy-middleware package using require() with destructuring: const { createProxyMiddleware } = require('http-proxy-middleware');",
      "max_score": 15
    },
    {
      "name": "Export configuration function",
      "description": "Exports a module.exports function that accepts an 'app' parameter, which is the standard setupProxy.js pattern for Create React App",
      "max_score": 10
    },
    {
      "name": "Register API proxy",
      "description": "Uses app.use() to register the '/api' path with createProxyMiddleware, specifying the correct target 'http://localhost:5000'",
      "max_score": 15
    },
    {
      "name": "Configure path rewriting",
      "description": "Uses the pathRewrite option with the pattern { '^/api': '' } to remove the /api prefix before forwarding requests",
      "max_score": 20
    },
    {
      "name": "Enable changeOrigin",
      "description": "Sets the changeOrigin option to true for the API proxy to properly handle the Host header",
      "max_score": 15
    },
    {
      "name": "Register WebSocket proxy",
      "description": "Uses app.use() to register the '/ws' path with createProxyMiddleware, specifying the correct target 'ws://localhost:5001'",
      "max_score": 10
    },
    {
      "name": "Enable WebSocket support",
      "description": "Sets the ws option to true in the WebSocket proxy configuration to enable WebSocket proxying",
      "max_score": 10
    },
    {
      "name": "Configure debug logging",
      "description": "Sets the logLevel option to 'debug' in at least one (preferably both) proxy configuration(s) to enable detailed logging",
      "max_score": 5
    }
  ]
}