canirequire › CommonJS › tsconfig
Is tsconfig ESM-only? Can you require() it?
Resole and parse `tsconfig.json`, replicating to TypeScript's behaviour
Last verified Sep 9, 2026 against tsconfig@7.0.0. JSON
CommonJS CommonJS — require() works on every Node.js version
tsconfig ships CommonJS only. require("tsconfig") works everywhere. import "tsconfig" 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 tsconfig@7.0.0 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("tsconfig") from a CommonJS file and import "tsconfig" from an ES module.
| Runtime | require("tsconfig") | import "tsconfig" |
|---|---|---|
| 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 tsconfig
ES modules (import)
import tsconfig from "tsconfig";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 tsconfig = require("tsconfig");Module format by version
Derived from the type, main and exports fields of every stable release on npm (24 versions; the newest 24 shown).
| Versions | Format | First published |
|---|---|---|
| 0.0.1 – 7.0.0 | CommonJS | Jan 20, 2015 |
Frequently asked
Is tsconfig ESM-only?
tsconfig@7.0.0 is a CommonJS package. tsconfig ships CommonJS only. require("tsconfig") works everywhere. import "tsconfig" 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 tsconfig with ES module syntax?
Yes. import tsconfig from "tsconfig" 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 tsconfig work in Bun?
Yes. import "tsconfig" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does tsconfig ship TypeScript types?
Yes. tsconfig bundles its own type declarations; no @types package is needed.
Links
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