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Is sprintf-js ESM-only? Can you require() it?

JavaScript sprintf implementation

Last verified Sep 9, 2026 against sprintf-js@1.1.3. JSON

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

sprintf-js ships CommonJS only. require("sprintf-js") works everywhere. import "sprintf-js" 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.

Latest
1.1.3 (Sep 11, 2023)
Module format
CommonJS
Last CommonJS version
1.1.3
TypeScript types
@types/sprintf-js
Node engines
not declared
Weekly downloads
72.5M
License
BSD-3-Clause

Does sprintf-js@1.1.3 actually load? Runtime test results

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

Runtimerequire("sprintf-js")import "sprintf-js"
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 sprintf-js

ES modules (import)

import sprintfJs from "sprintf-js";

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 sprintfJs = require("sprintf-js");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (8 versions; the newest 8 shown).

VersionsFormatFirst published
0.0.7 – 1.1.3CommonJSApr 3, 2013

Frequently asked

Is sprintf-js ESM-only?

sprintf-js@1.1.3 is a CommonJS package. sprintf-js ships CommonJS only. require("sprintf-js") works everywhere. import "sprintf-js" 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 sprintf-js with ES module syntax?

Yes. import sprintfJs from "sprintf-js" 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 sprintf-js work in Bun?

Yes. import "sprintf-js" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does sprintf-js ship TypeScript types?

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

Links

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