canirequire › CommonJS › ts-node-dev
Is ts-node-dev ESM-only? Can you require() it?
Compiles your TS app and restarts when files are modified.
Last verified Sep 9, 2026 against ts-node-dev@2.0.0. JSON
CommonJS CommonJS — require() works on every Node.js version
ts-node-dev ships CommonJS only. require("ts-node-dev") works everywhere. import "ts-node-dev" 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.
Does ts-node-dev@2.0.0 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("ts-node-dev") from a CommonJS file and import "ts-node-dev" from an ES module.
| Runtime | require("ts-node-dev") | import "ts-node-dev" |
|---|---|---|
| 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 ts-node-dev
ES modules (import)
import tsNodeDev from "ts-node-dev";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 tsNodeDev = require("ts-node-dev");Module format by version
Derived from the type, main and exports fields of every stable release on npm (11 versions; the newest 11 shown).
| Versions | Format | First published |
|---|---|---|
| 1.0.0 – 2.0.0 | CommonJS | Oct 17, 2020 |
Frequently asked
Is ts-node-dev ESM-only?
ts-node-dev@2.0.0 is a CommonJS package. ts-node-dev ships CommonJS only. require("ts-node-dev") works everywhere. import "ts-node-dev" 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 ts-node-dev with ES module syntax?
Yes. import tsNodeDev from "ts-node-dev" 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 ts-node-dev work in Bun?
Yes. import "ts-node-dev" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does ts-node-dev ship TypeScript types?
No. ts-node-dev ships no type declarations and there is no @types package for it.
Links
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