canirequire › CommonJS › esprima
Is esprima ESM-only? Can you require() it?
ECMAScript parsing infrastructure for multipurpose analysis
Last verified Sep 9, 2026 against esprima@4.0.1. JSON
CommonJS CommonJS — require() works on every Node.js version
esprima ships CommonJS only. require("esprima") works everywhere. import "esprima" 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 esprima@4.0.1 actually load? Runtime test results
Installed and executed on Sep 9, 2026 with require("esprima") from a CommonJS file and import "esprima" from an ES module.
| Runtime | require("esprima") | import "esprima" |
|---|---|---|
| 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 esprima
ES modules (import)
import esprima from "esprima";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 esprima = require("esprima");Module format by version
Derived from the type, main and exports fields of every stable release on npm (46 versions; the newest 46 shown).
| Versions | Format | First published |
|---|---|---|
| 0.7.0 – 4.0.1 | CommonJS | Nov 25, 2011 |
Frequently asked
Is esprima ESM-only?
esprima@4.0.1 is a CommonJS package. esprima ships CommonJS only. require("esprima") works everywhere. import "esprima" 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 esprima with ES module syntax?
Yes. import esprima from "esprima" 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 esprima work in Bun?
Yes. import "esprima" loaded successfully in Bun 1.4 on Sep 9, 2026.
Does esprima ship TypeScript types?
Not bundled. Install the community types with "npm install -D @types/esprima".
Links
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