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Node.js · Module

node:v8

The node:v8 module provides APIs tied to the V8 engine used by Node.js. It supports heap inspection, snapshots, coverage, serialization, profiling, and promise lifecycle hooks.

Last updated

Since
v4.0.0

Syntax

import v8 from 'node:v8';
const v8 = require('node:v8');

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  • v8.getHeapCodeStatistics
  • v8.getHeapSnapshot
  • v8.getHeapSpaceStatistics
  • v8.cachedDataVersionTag
  • v8.takeCoverage
  • v8.stopCoverage
  • v8.writeHeapSnapshot
  • promiseHooks

Source: V8 | Node.js 26.13.0 Documentation. Checked 2026-11-03.