canirequire

canirequire › CommonJS › lz-string

Is lz-string ESM-only? Can you require() it?

LZ-based compression algorithm

Last verified Sep 9, 2026 against lz-string@1.5.0. JSON

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

lz-string ships CommonJS only. require("lz-string") works everywhere. import "lz-string" 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
1.5.0 (Mar 4, 2023)
Module format
CommonJS
Last CommonJS version
1.5.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
57.1M
License
MIT

Does lz-string@1.5.0 actually load? Runtime test results

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

Runtimerequire("lz-string")import "lz-string"
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 lz-string

ES modules (import)

import lzString from "lz-string";

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 lzString = require("lz-string");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (9 versions; the newest 9 shown).

VersionsFormatFirst published
1.3.3 – 1.5.0CommonJSOct 27, 2013

Frequently asked

Is lz-string ESM-only?

lz-string@1.5.0 is a CommonJS package. lz-string ships CommonJS only. require("lz-string") works everywhere. import "lz-string" 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 lz-string with ES module syntax?

Yes. import lzString from "lz-string" 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 lz-string work in Bun?

Yes. import "lz-string" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does lz-string ship TypeScript types?

Yes. lz-string bundles its own type declarations; no @types package is needed.

Links

Other commonjs packages

Similar popularity