canirequire › Dual (CommonJS + ESM) › minizlib
Is minizlib ESM-only? Can you require() it?
A small fast zlib stream built on [minipass](http://npm.im/minipass) and Node.js's zlib binding.
Last verified Sep 9, 2026 against minizlib@3.1.0. JSON
Dual (CommonJS + ESM) Dual package — both require() and import work
minizlib publishes both a CommonJS entry and a native ESM entry (ESM added in 3.0.0). require("minizlib") and import "minizlib" both work on every supported Node.js version and in Bun.
Does minizlib@3.1.0 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("minizlib") from a CommonJS file and import "minizlib" from an ES module.
| Runtime | require("minizlib") | import "minizlib" |
|---|---|---|
| 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 minizlib
ES modules (import)
import minizlib from "minizlib";CommonJS (require)
const minizlib = require("minizlib");Module format by version
Derived from the type, main and exports fields of every stable release on npm (23 versions; the newest 23 shown).
| Versions | Format | First published |
|---|---|---|
| 3.0.0 – 3.1.0 | Dual (CommonJS + ESM) | Mar 19, 2024 |
| 0.0.1 – 2.1.2 | CommonJS | Mar 28, 2017 |
Frequently asked
Is minizlib ESM-only?
minizlib@3.1.0 ships CommonJS and ESM builds. minizlib publishes both a CommonJS entry and a native ESM entry (ESM added in 3.0.0). require("minizlib") and import "minizlib" both work on every supported Node.js version and in Bun.
Can I require minizlib?
Yes. minizlib ships a CommonJS entry, so require("minizlib") works on every Node.js version, alongside the native ESM entry for import.
Does minizlib work in Bun?
Yes. import "minizlib" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does minizlib ship TypeScript types?
Yes. minizlib bundles its own type declarations; no @types package is needed.
Links
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