rustler2000

const express = require('express')
const app = express()

app.get('/path/:id', function(req, res, next) {
    res.send(`${this.method} ${this.path}`)
})

function print (path, layer) {
  if (layer.route) {
    layer.route.stack.forEach(print.bind(null, path.concat(split(layer.route.path))))
  } else if (layer.name === 'router' && layer.handle.stack) {
    layer.handle.stack.forEach(print.bind(null, path.concat(split(layer.regexp))))
  } else if (layer.method) {
    console.log('%s /%s',
      layer.method.toUpperCase(),
      path.concat(split(layer.regexp)).filter(Boolean).join('/'))
      
    // 
    // Аттачим хэндлеру this :D
    // 
    const m = layer.method.toUpperCase()
    const p = path.concat(split(layer.regexp)).filter(Boolean).join('/')
    const fn = layer.handle
    layer.handle = function trampoline() {
        const self = {
            method: m,
            path: p
        }
        
        fn.apply(self, arguments)
    }
  }
}

function split (thing) {
  if (typeof thing === 'string') {
    return thing.split('/')
  } else if (thing.fast_slash) {
    return ''
  } else {
    var match = thing.toString()
      .replace('\\/?', '')
      .replace('(?=\\/|$)', '$')
      .match(/^\/\^((?:\\[.*+?^${}()|[\]\\\/]|[^.*+?^${}()|[\]\\\/])*)\$\//)
    return match
      ? match[1].replace(/\\(.)/g, '$1').split('/')
      : '<complex:' + thing.toString() + '>'
  }
}
app._router.stack.forEach(print.bind(null, []))

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