收集一些坑

http://deadhorse.me/maintainable-nodejs/#/14

var http = require('http');
var url = require('url');

http.createServer(function (req, res) {
  var query = url.parse(req.url, true).query;
  var name = query.name || '';
  res.send(name.trim());
}).listen(3000);

GET http://localhost:3000?name=foo&name=bar

throw error;

query.name = [foo, bar]; [].trim()

http://deadhorse.me/maintainable-nodejs/#/18

http.createServer(function (req, res) {
  parseBody(req, function onBody(err, body) {
    if (err) {
      res.statusCode = 500;
      return res.end(err.message);
    }
    var keys = Object.keys(body);
    res.end(keys.join(','));
  }
}).listen(3000);

function parseBody(req, callback) {
  // 获取原始的请求 body
  rawBody(req, function (err, content) {
    if (err) return callback(err);

    var body = {};
    try {
      body = JSON.parse(content);
    } catch (err) {
      return callback(err);
    }
    return callback(null, body);
  });
}

POST 'null' Boom! (JSON.parse('null') => null)

POST '"hello"' Boom! (JSON.parse('"hello"') => 'hello')

co-body

function parseBody(req, callback) {
  rawBody(req, function (err, content) {
    if (err) return callback(err);
    var body = {};
    try {
      body = JSON.parse(content);
      // 严格的只接受 object 作为 body
      if (!body || typeof body !== 'object') {
        throw new Error('request body must be object');
      }
    } catch (err) {
      return callback(err);
    }
    return callback(null, body);
  });
}

Review the two linked maintainable-nodejs sections and the inline JavaScript examples first. Define the intended scope and location of the collected notes; done requires an agreed scope and documented guidance for the shown query and JSON-body cases, since no repository file or test is named.