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

Seamless integration between Rollup and TypeScript.

Last verified Sep 9, 2026 against rollup-plugin-typescript@1.0.1. JSON

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

rollup-plugin-typescript ships CommonJS only. require("rollup-plugin-typescript") works everywhere. import "rollup-plugin-typescript" 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.

Latest
1.0.1 (Mar 24, 2019)
Module format
CommonJS
Last CommonJS version
1.0.1
TypeScript types
None
Node engines
not declared
Weekly downloads
211K
License
MIT

Deprecated: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-typescript.

Does rollup-plugin-typescript@1.0.1 actually load? Runtime test results

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

Runtimerequire("rollup-plugin-typescript")import "rollup-plugin-typescript"
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 rollup-plugin-typescript

ES modules (import)

import rollupPluginTypescript from "rollup-plugin-typescript";

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 rollupPluginTypescript = require("rollup-plugin-typescript");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (20 versions; the newest 20 shown).

VersionsFormatFirst published
0.1.0 – 1.0.1CommonJSNov 10, 2015

Frequently asked

Is rollup-plugin-typescript ESM-only?

rollup-plugin-typescript@1.0.1 is a CommonJS package. rollup-plugin-typescript ships CommonJS only. require("rollup-plugin-typescript") works everywhere. import "rollup-plugin-typescript" 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 rollup-plugin-typescript with ES module syntax?

Yes. import rollupPluginTypescript from "rollup-plugin-typescript" 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 rollup-plugin-typescript work in Bun?

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

Does rollup-plugin-typescript ship TypeScript types?

No. rollup-plugin-typescript ships no type declarations and there is no @types package for it.

Links

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