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Is @radix-ui/react-use-previous ESM-only? Can you require() it?

Last verified Sep 9, 2026 against @radix-ui/react-use-previous@1.1.4. Markdown · JSON

Dual (CommonJS + ESM) Dual package — require() works on every Node.js version we test; import works too

@radix-ui/react-use-previous publishes both a CommonJS entry and a native ESM entry (ESM added in 1.0.1). require("@radix-ui/react-use-previous") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "@radix-ui/react-use-previous" works alongside it.

What to do

  1. Nothing to change. require("@radix-ui/react-use-previous") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import * as reactUsePrevious from "@radix-ui/react-use-previous" works alongside it; use named imports for what the ESM entry exports.
  2. TypeScript: types are bundled; install nothing extra.
Latest
1.1.4 (Jul 24, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
1.1.4
Native ESM since
1.0.1
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
51.8M
License
MIT

Does @radix-ui/react-use-previous@1.1.4 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("@radix-ui/react-use-previous") from a CommonJS file and import "@radix-ui/react-use-previous" from an ES module.

Runtimerequire("@radix-ui/react-use-previous")import "@radix-ui/react-use-previous"
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 1.4.0✓ works✓ works

How to import @radix-ui/react-use-previous

ES modules (import)

import * as reactUsePrevious from "@radix-ui/react-use-previous";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

const reactUsePrevious = require("@radix-ui/react-use-previous");

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (14 versions; the newest 14 shown).

VersionsFormatFirst published
1.0.1 – 1.1.4Dual (CommonJS + ESM)May 26, 2023
0.0.1 – 1.0.0CommonJSMar 3, 2021

Frequently asked

Is @radix-ui/react-use-previous ESM-only?

@radix-ui/react-use-previous@1.1.4 ships CommonJS and ESM builds. @radix-ui/react-use-previous publishes both a CommonJS entry and a native ESM entry (ESM added in 1.0.1). require("@radix-ui/react-use-previous") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "@radix-ui/react-use-previous" works alongside it.

Can I require @radix-ui/react-use-previous?

Yes. @radix-ui/react-use-previous ships a CommonJS entry alongside the native ESM entry. require("@radix-ui/react-use-previous") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.

Does @radix-ui/react-use-previous work in Bun?

Yes. import "@radix-ui/react-use-previous" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does @radix-ui/react-use-previous ship TypeScript types?

Yes. @radix-ui/react-use-previous bundles its own type declarations; no @types package is needed.

Links

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