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Is rollup-plugin-visualizer ESM-only? Can you require() it?

Visualize and analyze your bundle to quickly see which modules are taking up space.

Last verified Sep 9, 2026 against rollup-plugin-visualizer@7.1.1. JSON

ESM-only ESM-only since 7.0.0 — last CommonJS version is 6.0.11

rollup-plugin-visualizer dropped its CommonJS build in 7.0.0 (February 2026). The last version you can require() on every Node.js version, including 18 and older, is 6.0.11, published Mar 4, 2026.

require("rollup-plugin-visualizer") failed in our probe on Node.js 20+ as well. See the runtime matrix below for the exact error.

rollup-plugin-visualizer@7.1.1 declares engines ">=22", so Node.js 18, 20 are outside its supported range regardless of module format.

Latest
7.1.1 (Aug 14, 2026)
Module format
ESM-only
Last CommonJS version
6.0.11
ESM-only since
7.0.0 (Feb 20, 2026)
TypeScript types
Bundled
Node engines
>=22
Weekly downloads
5.5M
License
MIT

Does rollup-plugin-visualizer@7.1.1 actually load? Runtime test results

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

Runtimerequire("rollup-plugin-visualizer")import "rollup-plugin-visualizer"
Node.js 18✗ failsERR_PACKAGE_PATH_NOT_EXPORTED✓ works
Node.js 20✗ failsERR_PACKAGE_PATH_NOT_EXPORTED✓ works
Node.js 22✗ failsERR_PACKAGE_PATH_NOT_EXPORTED✓ works
Node.js 24✗ failsERR_PACKAGE_PATH_NOT_EXPORTED✓ works
Node.js 26✗ failsERR_PACKAGE_PATH_NOT_EXPORTED✓ works
Bun 1.4✗ failserror: Cannot find package 'rollup-plugin-visualizer' from '/Users/boat/Projects/top-seo/data/probe-work/rollup-plugin-visualizer/req.cjs'✓ works

How to import rollup-plugin-visualizer

ES modules (import)

import rollupPluginVisualizer from "rollup-plugin-visualizer";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const rollupPluginVisualizer = require("rollup-plugin-visualizer");

// Any Node.js version:
const rollupPluginVisualizer = await import("rollup-plugin-visualizer");

// Or pin the last CommonJS release:
// npm install rollup-plugin-visualizer@6.0.11

Module format by version

Derived from the type, main and exports fields of every stable release on npm (118 versions; the newest 60 shown).

VersionsFormatFirst published
7.0.0 – 7.1.1ESM-onlyFeb 20, 2026
6.0.11CommonJSMar 4, 2026
6.0.8ESM-onlyFeb 19, 2026
3.3.0 – 6.0.5CommonJSNov 26, 2019

Frequently asked

Is rollup-plugin-visualizer ESM-only?

rollup-plugin-visualizer@7.1.1 is ESM-only. rollup-plugin-visualizer dropped its CommonJS build in 7.0.0 (February 2026). The last version you can require() on every Node.js version, including 18 and older, is 6.0.11, published Mar 4, 2026.

Which version of rollup-plugin-visualizer still supports CommonJS / require()?

6.0.11 is the last version of rollup-plugin-visualizer with a CommonJS build. Install it with "npm install rollup-plugin-visualizer@6.0.11". Every version from 7.0.0 on is ESM-only.

How do I use rollup-plugin-visualizer from a CommonJS file?

Use a dynamic import: const mod = await import("rollup-plugin-visualizer"). On Node.js 20.19+, 22.12+ and newer, a plain require("rollup-plugin-visualizer") also works for ESM packages that do not use top-level await. Alternatively pin rollup-plugin-visualizer@6.0.11.

Does rollup-plugin-visualizer work in Bun?

Yes. import "rollup-plugin-visualizer" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does rollup-plugin-visualizer ship TypeScript types?

Yes. rollup-plugin-visualizer bundles its own type declarations; no @types package is needed.

Links

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