node-friendly-response/lib/incoming-message.js

Easy way to make JSONs responses and promisified response flow

/* jshint node: true */
'use strict';

var http = require('http');

var format      = require('./utils/format');
var statusCodes = require('./utils/http-status-codes');

var incomingMessage = http.IncomingMessage.prototype;

statusCodes(format.conditionalMethod).forEach(function (status) {

  var key   = status.key;
  var value = status.value;

  incomingMessage[key] = function () {
    return this.statusCode === value;
  };

});

var __between = function (lower, higher, value) {
  return lower <= value && value < higher;
};

incomingMessage.isInfo = function () {
  return __between(100, 200, this.statusCode);
};

incomingMessage.isSuccess = function () {
  return __between(200, 300, this.statusCode);
};

incomingMessage.isRedirect = function () {
  return __between(300, 400, this.statusCode);
};

incomingMessage.isClientError = function () {
  return __between(400, 500, this.statusCode);
};

incomingMessage.isServerError = function () {
  return __between(500, 600, this.statusCode);
};

incomingMessage.isError = function () {
  return __between(400, 600, this.statusCode);
};

module.exports = http.IncomingMessage;