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Is pino ESM-only? Can you require() it?

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Last verified Sep 9, 2026 against pino@10.3.1. Markdown · JSON

CommonJS CommonJS — require() works on every Node.js version we test

pino ships CommonJS only. require("pino") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "pino" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

What to do

  1. require("pino") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.
  2. From ES modules use the default import: import pino from "pino"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: types are bundled; install nothing extra.
Latest
10.3.1 (Feb 9, 2026)
Module format
CommonJS
Last CommonJS version
10.3.1
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
43.8M
License
MIT

Does pino@10.3.1 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("pino") from a CommonJS file and import "pino" from an ES module.

Runtimerequire("pino")import "pino"
Node.js 18✓ works✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4.0✓ works✓ works

How to import pino

ES modules (import)

import pino from "pino";

Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.

CommonJS (require)

const pino = require("pino");

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (316 versions; the newest 60 shown).

VersionsFormatFirst published
8.6.0 – 10.3.1CommonJSSep 19, 2022

Frequently asked

Is pino ESM-only?

pino@10.3.1 is a CommonJS package. pino ships CommonJS only. require("pino") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "pino" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import pino with ES module syntax?

Yes. import pino from "pino" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.

Does pino work in Bun?

Yes. import "pino" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does pino ship TypeScript types?

Yes. pino bundles its own type declarations; no @types package is needed.

Links

Other commonjs packages

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