canirequire › CommonJS › jws
Is jws ESM-only? Can you require() it?
Implementation of JSON Web Signatures
Last verified Sep 9, 2026 against jws@4.0.1. JSON
CommonJS CommonJS — require() works on every Node.js version
jws ships CommonJS only. require("jws") works everywhere. import "jws" 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 jws@4.0.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("jws") from a CommonJS file and import "jws" from an ES module.
| Runtime | require("jws") | import "jws" |
|---|---|---|
| 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 jws
ES modules (import)
import jws from "jws";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 jws = require("jws");Module format by version
Derived from the type, main and exports fields of every stable release on npm (25 versions; the newest 25 shown).
| Versions | Format | First published |
|---|---|---|
| 0.0.1 – 4.0.1 | CommonJS | Jan 16, 2013 |
Frequently asked
Is jws ESM-only?
jws@4.0.1 is a CommonJS package. jws ships CommonJS only. require("jws") works everywhere. import "jws" 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 jws with ES module syntax?
Yes. import jws from "jws" 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 jws work in Bun?
Yes. import "jws" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does jws ship TypeScript types?
Not bundled. Install the community types with "npm install -D @types/jws".
Links
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