intercept-stdout is a lightweight Node.js package that allows you to intercept and modify the output written to process.stdout. This is incredibly useful for testing command-line interfaces (CLIs) or applications that rely heavily on console output. It provides a clean and simple API to capture everything printed to the console, enabling assertions and analysis of the generated text. You can easily replace, suppress, or transform the output before it reaches the actual console, making it an invaluable tool during testing and development.