Chapter 4,6: prettier updates and web framework samples

Chapter04/server-smtp/send-email.js

@@ -1,18 +1,21 @@
-const nodemailer = require("nodemailer")
+const nodemailer = require("nodemailer");
 
 let transporter = nodemailer.createTransport({
-    host: "localhost",
-    port: 4321
-})
+  host: "localhost",
+  port: 4321,
+});
 
-transporter.sendMail({
-    from: 'beth@example.com',
-    to: 'laddie@example.com',
+transporter.sendMail(
+  {
+    from: "beth@example.com",
+    to: "laddie@example.com",
     subject: "Hello",
-    text: "Hello world!"
-}, (err, info) => {
+    text: "Hello world!",
+  },
+  (err, info) => {
     if (err) {
-        console.log(err)
+      console.log(err);
     }
-    console.log("Message Sent:", info)
-})
+    console.log("Message Sent:", info);
+  }
+);

Chapter04/server-smtp/server.js

@@ -1,14 +1,14 @@
-const SMTPServer = require("smtp-server").SMTPServer
+const SMTPServer = require("smtp-server").SMTPServer;
 
-const PORT = 4321
+const PORT = 4321;
 
 const server = new SMTPServer({
-    disabledCommands: ['STARTTLS', 'AUTH'],
-    logger: true
-})
+  disabledCommands: ["STARTTLS", "AUTH"],
+  logger: true,
+});
 
-server.on('error', err => {
-    console.error(err);
-})
+server.on("error", (err) => {
+  console.error(err);
+});
 
-server.listen(PORT)
+server.listen(PORT);