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Is @popperjs/core ESM-only? Can you require() it?
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Last verified Sep 9, 2026 against @popperjs/core@2.11.8. JSON
CommonJS CommonJS — require() works on every Node.js version
@popperjs/core ships CommonJS only. require("@popperjs/core") works everywhere. import "@popperjs/core" 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.
It also declares a "module" field, so bundlers such as webpack, Vite and esbuild pick up an ESM build for tree-shaking.
Does @popperjs/core@2.11.8 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("@popperjs/core") from a CommonJS file and import "@popperjs/core" from an ES module.
| Runtime | require("@popperjs/core") | import "@popperjs/core" |
|---|---|---|
| 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 @popperjs/core
ES modules (import)
import core from "@popperjs/core";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 core = require("@popperjs/core");Module format by version
Derived from the type, main and exports fields of every stable release on npm (54 versions; the newest 54 shown).
| Versions | Format | First published |
|---|---|---|
| 2.10.1 – 2.11.8 | CommonJS | Sep 3, 2021 |
| 2.10.0 | Dual (CommonJS + ESM) | Sep 2, 2021 |
| 2.0.0 – 2.9.3 | CommonJS | Jan 22, 2020 |
Frequently asked
Is @popperjs/core ESM-only?
@popperjs/core@2.11.8 is a CommonJS package. @popperjs/core ships CommonJS only. require("@popperjs/core") works everywhere. import "@popperjs/core" 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 @popperjs/core with ES module syntax?
Yes. import core from "@popperjs/core" 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 @popperjs/core work in Bun?
Yes. import "@popperjs/core" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does @popperjs/core ship TypeScript types?
No. @popperjs/core ships no type declarations and there is no @types package for it.
Links
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