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

A clean, whitespace-sensitive template language for writing HTML

Last verified Sep 9, 2026 against pug@3.0.4. Markdown · JSON

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

pug ships CommonJS only. require("pug") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "pug" 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("pug") 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 pug from "pug"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/pug
Latest
3.0.4 (Mar 13, 2026)
Module format
CommonJS
Last CommonJS version
3.0.4
TypeScript types
@types/pug
Node engines
not declared
Weekly downloads
3.5M
License
MIT

Does pug@3.0.4 actually load? Runtime test results

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

Runtimerequire("pug")import "pug"
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 pug

ES modules (import)

import pug from "pug";

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 pug = require("pug");

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 (12 versions; the newest 12 shown).

VersionsFormatFirst published
0.0.0 – 3.0.4CommonJSAug 22, 2013

Frequently asked

Is pug ESM-only?

pug@3.0.4 is a CommonJS package. pug ships CommonJS only. require("pug") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "pug" 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 pug with ES module syntax?

Yes. import pug from "pug" 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 pug work in Bun?

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

Does pug ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/pug".

Links

Other commonjs packages

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