canirequire › CommonJS › rollup-watch
Is rollup-watch ESM-only? Can you require() it?
Watch files for changes and perform incremental rebuilds with Rollup
Last verified Sep 9, 2026 against rollup-watch@4.3.1. JSON
CommonJS CommonJS — require() works on every Node.js version
rollup-watch ships CommonJS only. require("rollup-watch") works everywhere. import "rollup-watch" 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.
Deprecated: rollup-watch functionality is now included in Rollup itself
Does rollup-watch@4.3.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("rollup-watch") from a CommonJS file and import "rollup-watch" from an ES module.
| Runtime | require("rollup-watch") | import "rollup-watch" |
|---|---|---|
| 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-watch
ES modules (import)
import rollupWatch from "rollup-watch";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 rollupWatch = require("rollup-watch");Module format by version
Derived from the type, main and exports fields of every stable release on npm (18 versions; the newest 18 shown).
| Versions | Format | First published |
|---|---|---|
| 1.0.0 – 4.3.1 | CommonJS | Jun 8, 2016 |
Frequently asked
Is rollup-watch ESM-only?
rollup-watch@4.3.1 is a CommonJS package. rollup-watch ships CommonJS only. require("rollup-watch") works everywhere. import "rollup-watch" 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-watch with ES module syntax?
Yes. import rollupWatch from "rollup-watch" 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-watch work in Bun?
Yes. import "rollup-watch" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does rollup-watch ship TypeScript types?
No. rollup-watch ships no type declarations and there is no @types package for it.
Links
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