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Added Additional Methods to Node.js Crash Course #29

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168 changes: 106 additions & 62 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,91 +1,135 @@
const http = require("http");
const path = require("path");
const fs = require("fs");
/* Basic example */
// const Person = require("./person") // CommonJS syntax
// const person1 = new Person("John Doe", 30)
// person1.greeting()

const server = http.createServer((req, res) => {
// if (req.url === '/') {
// fs.readFile(
// path.join(__dirname, 'public', 'index.html'),
// (err, content) => {
// if (err) throw err;
// res.writeHead(200, { 'Content-Type': 'text/html' });
// res.end(content);
// }
// );
// }

// if (req.url === '/api/users') {
// const users = [
// { name: 'Bob Smith', age: 40 },
// { name: 'John Doe', age: 30 }
// ];
// res.writeHead(200, { 'Content-Type': 'application/json' });
// res.end(JSON.stringify(users));
// }
/* Logger */
// const Logger = require("./logger")
// const logger = new Logger()
// logger.on("message", (data) => {
// console.log("Called Listener:", data)
// })

// logger.log("Hi there!")
// logger.log("Welcome to the party!")

/* HTTP request - Basic example */
// const http = require("http")
// const path = require("path")
// const fs = require("fs")

// const server = http.createServer((req, res) => {
// if (req.url === "/") {
// fs.readFile(path.join(__dirname, "public", "home.html"), (err, content) => {
// if (err) throw err
// res.statusCode = 200
// // res.setHeader(name, value)
// res.setHeader("Content-Type", "text/html")
// res.end(content)
// })
// }

// if (req.url === "/about") {
// fs.readFile(
// path.join(__dirname, "public", "about.html"),
// (err, content) => {
// if (err) throw err
// res.statusCode = 200
// res.setHeader("Content-Type", "text/html")
// res.end(content)
// }
// )
// }

// if (req.url === "/api/users") {
// const users = [
// {
// name: "Bob Smith",
// age: 40,
// },
// {
// name: "John Doe",
// age: 30,
// },
// ]

// // res.writeHead(statusCode[, statusMessage][, headers])
// res.writeHead(200, { "content-Type": "application/json" })
// res.end(JSON.stringify(users))
// }
// })

// const PORT = process.env.PORT || 5000

// server.listen(PORT, () => {
// console.log(`Server is running on port: ${PORT}`)
// })

/* HTTP request - Dynamic Example */
const http = require("http")
const path = require("path")
const fs = require("fs")

const server = http.createServer((req, res) => {
// Build file path
let filePath = path.join(
__dirname,
"public",
req.url === "/" ? "index.html" : req.url
);
req.url === "/" ? "home.html" : req.url
)

// Extension of file
let extname = path.extname(filePath);
let extname = path.extname(filePath)

// Initial content type
let contentType = "text/html";
let contentType = "text/html"

// Check ext and set content type
// Check extension and set content type
switch (extname) {
case ".js":
contentType = "text/javascript";
break;
case ".css":
contentType = "text/css";
break;
case ".json":
contentType = "application/json";
break;
case ".png":
contentType = "image/png";
break;
case ".jpg":
contentType = "image/jpg";
break;
case "js":
contentType = "text/javascript"
break
case "css":
contentType = "text/css"
break
case "json":
contentType = "application/json"
break
case "png":
contentType = "image/png"
break
case "jpg":
contentType = "image/jpg"
break
}

// Check if contentType is text/html but no .html file extension
if (contentType == "text/html" && extname == "") filePath += ".html";

// log the filePath
console.log(filePath);

// Read File
// Read file
fs.readFile(filePath, (err, content) => {
if (err) {
if (err.code == "ENOENT") {
// Page not found
fs.readFile(
path.join(__dirname, "public", "404.html"),
(err, content) => {
res.writeHead(404, { "Content-Type": "text/html" });
res.end(content, "utf8");
res.writeHead(200, { "content-Type": "text.html" })
res.end(content, "utf8")
}
);
)
} else {
// Some server error
res.writeHead(500);
res.end(`Server Error: ${err.code}`);
// Some server error
res.writeHead(500)
res.end(`Server Error: ${err.code}`)
}
} else {
// Success
res.writeHead(200, { "Content-Type": contentType });
res.end(content, "utf8");
res.writeHead(200, { "content-Type": contentType })
res.end(content, "utf8")
}
});
});
})
})

const PORT = process.env.PORT || 5000;
const PORT = process.env.PORT || 5000

server.listen(PORT, () => console.log(`Server running on port ${PORT}`));
server.listen(PORT, () => {
console.log(`Server is running on port: ${PORT}`)
})
19 changes: 7 additions & 12 deletions logger.js
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Original file line number Diff line number Diff line change
@@ -1,19 +1,14 @@
const EventEmitter = require('events');
const uuid = require('uuid');
const EventEmitter = require("events")
const uuid = require("uuid")

// Generates a random id
// console.log(uuid.v4())

class Logger extends EventEmitter {
log(msg) {
// Call event
this.emit('message', { id: uuid.v4(), msg });
this.emit("message", { id: uuid.v4(), msg })
}
}

// module.exports = Logger;

const logger = new Logger();

logger.on('message', data => console.log('Called Listener', data));

logger.log('Hello World');
logger.log('Hi');
logger.log('Hello');
module.exports = Logger
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