Update to node.js 16, 18, 20, drop 14 support

Author: tshemsedinov

.eslintrc.json

@@ -6,7 +6,7 @@
   },
   "extends": "eslint:recommended",
   "parserOptions": {
-    "ecmaVersion": 2020
+    "ecmaVersion": "latest"
   },
   "globals": {
     "BigInt": true

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017-2022 How.Programming.Works contributors
+Copyright (c) 2017-2023 How.Programming.Works contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

express-cluster/server.js

@@ -7,13 +7,10 @@ const app = express();
 
 const user = { name: 'jura', age: 22 };
 
-if (cluster.isMaster) {
-
+if (cluster.isPrimary) {
   const count = os.cpus().length;
   for (let i = 0; i < count; i++) cluster.fork();
-
 } else {
-
   app.get('/', (req, res) => {
     res.end('welcome to homepage');
   });
@@ -31,5 +28,4 @@ if (cluster.isMaster) {
   });
 
   app.listen(8000);
-
 }

ip-sticky/server.js

@@ -6,8 +6,7 @@ const http = require('node:http');
 const cluster = require('node:cluster');
 const cpus = os.cpus().length;
 
-if (cluster.isMaster) {
-
+if (cluster.isPrimary) {
   console.log(`Master pid: ${process.pid}`);
   console.log(`Starting ${cpus} forks`);
 
@@ -30,9 +29,7 @@ if (cluster.isMaster) {
 
   const server = new net.Server(balancer);
   server.listen(2000);
-
 } else {
-
   console.log(`Worker pid: ${process.pid}`);
 
   const dispatcher = (req, res) => {
@@ -50,5 +47,4 @@ if (cluster.isMaster) {
       server.emit('connection', socket);
     }
   });
-
 }

native-cluster/server.js

@@ -24,7 +24,7 @@ const types = {
   function: (fn, par, client) => JSON.stringify(fn(client, par)),
 };
 
-if (cluster.isMaster) {
+if (cluster.isPrimary) {
   const count = os.cpus().length;
   console.log(`Master pid: ${pid}`);
   console.log(`Starting ${count} forks`);