Working with process
When you run Node.js programs, you gain access to a powerful global object called process. This object gives you detailed information and control over the current Node.js process. The process object is available everywhere in your code without needing to require or import anything.
Two of the most commonly used properties of process are process.argv and process.env.
process.argvis an array containing the command-line arguments passed when launching your Node.js program. The first element is the path to the Node.js executable, the second is the path to your script, and the rest are any additional arguments you provide;process.envis an object that stores the environment variables available to your process. You can use this to read configuration values, secrets, or other information set outside your code.
Understanding how to use these properties lets you make your programs more flexible and configurable.
index.js
The process object has many other useful properties and methods. For example, process.exit() lets you end your program immediately with a specific exit code, which can be helpful for signaling success or failure to other programs or scripts.
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When you run Node.js programs, you gain access to a powerful global object called process. This object gives you detailed information and control over the current Node.js process. The process object is available everywhere in your code without needing to require or import anything.
Two of the most commonly used properties of process are process.argv and process.env.
process.argvis an array containing the command-line arguments passed when launching your Node.js program. The first element is the path to the Node.js executable, the second is the path to your script, and the rest are any additional arguments you provide;process.envis an object that stores the environment variables available to your process. You can use this to read configuration values, secrets, or other information set outside your code.
Understanding how to use these properties lets you make your programs more flexible and configurable.
index.js
The process object has many other useful properties and methods. For example, process.exit() lets you end your program immediately with a specific exit code, which can be helpful for signaling success or failure to other programs or scripts.
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