JS & TS FeaturesLesson 37Free preview

Node Process

This lesson is part of Node.js · All levels

Summary

The global process object contains information and control over the Node process running. Through the process you can read the environment variable, the command line argument, set the exit code, and handle the termination signal. This ability is essential for configuration of applications and smooth shutdown handling.

Key points

Process.env read the environment variable for configuration
Process.argv contains the command line argument
Process.exit terminates the process with a certain status code
'SIGINT') handles Ctrl+C to keep the shutdown smooth

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