canirequire › CommonJS › pug
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. JSON
CommonJS CommonJS — require() works on every Node.js version
pug ships CommonJS only. require("pug") works everywhere. 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.
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.
| Runtime | require("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 | ✓ 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 (12 versions; the newest 12 shown).
| Versions | Format | First published |
|---|---|---|
| 0.0.0 – 3.0.4 | CommonJS | Aug 22, 2013 |
Frequently asked
Is pug ESM-only?
pug@3.0.4 is a CommonJS package. pug ships CommonJS only. require("pug") works everywhere. 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 on Sep 9, 2026.
Does pug ship TypeScript types?
Not bundled. Install the community types with "npm install -D @types/pug".
Links
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