From ab0a5a65a63e62cec3d51cd799096cdd97c9018b Mon Sep 17 00:00:00 2001
From: tshemsedinov <timur.shemsedinov@gmail.com>
Date: Fri, 8 Jun 2018 23:50:54 +0300
Subject: [PATCH 1/2] Add api proxy/stub auto building

---
 JavaScript/5-api.js    | 41 +++++++++++++++++++++++++++++++++++++++++
 JavaScript/5-server.js | 27 +++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 JavaScript/5-api.js
 create mode 100644 JavaScript/5-server.js

diff --git a/JavaScript/5-api.js b/JavaScript/5-api.js
new file mode 100644
index 0000000..a8fb98d
--- /dev/null
+++ b/JavaScript/5-api.js
@@ -0,0 +1,41 @@
+'use strict';
+
+const http = require('http');
+
+const ajax = (base, methods) => {
+  const api = {};
+  for (const method of methods) {
+    api[method] = (...args) => {
+      const callback = args.pop();
+      const url = base + method + '/' + args.join('/');
+      console.log(url);
+      http.get(url, res => {
+        if (res.statusCode !== 200) {
+          callback(new Error(`Status Code: ${res.statusCode}`));
+          return;
+        }
+        const lines = [];
+        res.on('data', chunk => lines.push(chunk));
+        res.on('end', () => callback(null, JSON.parse(lines.join())));
+      });
+    };
+  }
+  return api;
+};
+
+// Usage
+
+const api = ajax(
+  'http://localhost:8000/api/',
+  ['user', 'userBorn']
+);
+
+api.user('marcus', (err, data) => {
+  if (err) throw err;
+  console.dir({ data });
+});
+
+api.userBorn('mao', (err, data) => {
+  if (err) throw err;
+  console.dir({ data });
+});
diff --git a/JavaScript/5-server.js b/JavaScript/5-server.js
new file mode 100644
index 0000000..b4843d1
--- /dev/null
+++ b/JavaScript/5-server.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const http = require('http');
+
+const users = {
+  marcus: { name: 'Marcus Aurelius', city: 'Rome', born: 121 },
+  mao: { name: 'Mao Zedong', city: 'Shaoshan', born: 1893 },
+};
+
+const routing = {
+  '/api/user/': name => users[name],
+  '/api/userBorn/': name => users[name].born
+};
+
+const types = {
+  object: o => JSON.stringify(o),
+  undefined: () => '{"error":"not found"}',
+  function: (fn, req, res) => JSON.stringify(fn(req, res))
+};
+
+http.createServer((req, res) => {
+  const data = routing[req.url];
+  const type = typeof(data);
+  const serializer = types[type];
+  const result = serializer(data, req, res);
+  res.end(result);
+}).listen(8000);

From 1283715cd5205c90c3c400e6bbcd306aa219a929 Mon Sep 17 00:00:00 2001
From: tshemsedinov <timur.shemsedinov@gmail.com>
Date: Sat, 9 Jun 2018 13:04:31 +0300
Subject: [PATCH 2/2] Simplify server for demo purposes

---
 JavaScript/5-server.js | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/JavaScript/5-server.js b/JavaScript/5-server.js
index b4843d1..d033718 100644
--- a/JavaScript/5-server.js
+++ b/JavaScript/5-server.js
@@ -8,20 +8,14 @@ const users = {
 };
 
 const routing = {
-  '/api/user/': name => users[name],
-  '/api/userBorn/': name => users[name].born
-};
-
-const types = {
-  object: o => JSON.stringify(o),
-  undefined: () => '{"error":"not found"}',
-  function: (fn, req, res) => JSON.stringify(fn(req, res))
+  '/api/user': name => users[name],
+  '/api/userBorn': name => users[name].born
 };
 
 http.createServer((req, res) => {
-  const data = routing[req.url];
-  const type = typeof(data);
-  const serializer = types[type];
-  const result = serializer(data, req, res);
-  res.end(result);
+  const url = req.url.split('/');
+  const par = url.pop();
+  const method = routing[url.join('/')];
+  const result = method ? method(par) : { error: 'not found' };
+  res.end(JSON.stringify(result));
 }).listen(8000);