add hw2

node_modules/pino-std-serializers/lib/req.js

@@ -0,0 +1,100 @@
+'use strict'
+
+module.exports = {
+  mapHttpRequest,
+  reqSerializer
+}
+
+const rawSymbol = Symbol('pino-raw-req-ref')
+const pinoReqProto = Object.create({}, {
+  id: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  method: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  url: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  query: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  params: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  headers: {
+    enumerable: true,
+    writable: true,
+    value: {}
+  },
+  remoteAddress: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  remotePort: {
+    enumerable: true,
+    writable: true,
+    value: ''
+  },
+  raw: {
+    enumerable: false,
+    get: function () {
+      return this[rawSymbol]
+    },
+    set: function (val) {
+      this[rawSymbol] = val
+    }
+  }
+})
+Object.defineProperty(pinoReqProto, rawSymbol, {
+  writable: true,
+  value: {}
+})
+
+function reqSerializer (req) {
+  // req.info is for hapi compat.
+  const connection = req.info || req.socket
+  const _req = Object.create(pinoReqProto)
+  _req.id = (typeof req.id === 'function' ? req.id() : (req.id || (req.info ? req.info.id : undefined)))
+  _req.method = req.method
+  // req.originalUrl is for expressjs compat.
+  if (req.originalUrl) {
+    _req.url = req.originalUrl
+  } else {
+    const path = req.path
+    // path for safe hapi compat.
+    _req.url = typeof path === 'string' ? path : (req.url ? req.url.path || req.url : undefined)
+  }
+
+  if (req.query) {
+    _req.query = req.query
+  }
+
+  if (req.params) {
+    _req.params = req.params
+  }
+
+  _req.headers = req.headers
+  _req.remoteAddress = connection && connection.remoteAddress
+  _req.remotePort = connection && connection.remotePort
+  // req.raw is  for hapi compat/equivalence
+  _req.raw = req.raw || req
+  return _req
+}
+
+function mapHttpRequest (req) {
+  return {
+    req: reqSerializer(req)
+  }
+}