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callsite

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callsite

access to v8's CallSites

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What is callsite?

The callsite npm package allows developers to access the call stack of V8 engines in Node.js applications. It provides a way to inspect and manipulate the call stack, which can be useful for debugging, logging, and tracking the flow of an application. The package offers a straightforward API to retrieve an array of call sites (stack frames), enabling developers to programmatically explore and utilize call stack information.

What are callsite's main functionalities?

Accessing the call stack

This feature allows developers to access the current call stack. The code sample demonstrates how to use the callsite package to retrieve the call stack within a function and then print the file name of the caller function.

const callsite = require('callsite');

function sampleFunction() {
  const stack = callsite();
  const requester = stack[1].getFileName();
  console.log(`Called by ${requester}`);
}

sampleFunction();

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Package last updated on 24 Jan 2013

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