Creating a custom REPL for Node.js

The text provides an overview of Read-Eval-Print Loop (REPL), an interactive computer environment that executes user input and returns output, commonly used in various development contexts like command-line interfaces and browser consoles. It focuses on the REPL environment bundled with Node.js, which allows developers to test JavaScript code without saving it to a file. The text explains how to use Node.js's built-in REPL, create custom REPL environments using the 'repl' module, and customize REPL functionalities such as evaluation functions and output formatting. It also discusses how to expose variables to the REPL context and programmatically close the REPL environment. Additionally, the text highlights LogRocket, a tool for monitoring Node.js applications by capturing logs, errors, and network requests to improve user experiences and troubleshoot issues effectively.