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Is estraverse ESM-only? Can you require() it?

ECMAScript JS AST traversal functions

Last verified Sep 9, 2026 against estraverse@5.3.0. JSON

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

estraverse ships CommonJS only. require("estraverse") works everywhere. import "estraverse" 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.

Latest
5.3.0 (Oct 25, 2021)
Module format
CommonJS
Last CommonJS version
5.3.0
TypeScript types
@types/estraverse
Node engines
>=4.0
Weekly downloads
158.3M
License
BSD-2-Clause

Does estraverse@5.3.0 actually load? Runtime test results

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

Runtimerequire("estraverse")import "estraverse"
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 estraverse

ES modules (import)

import estraverse from "estraverse";

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 estraverse = require("estraverse");

Module format by version

Derived from the type, main and exports fields of every stable release on npm (33 versions; the newest 33 shown).

VersionsFormatFirst published
0.0.1 – 5.3.0CommonJSOct 9, 2012

Frequently asked

Is estraverse ESM-only?

estraverse@5.3.0 is a CommonJS package. estraverse ships CommonJS only. require("estraverse") works everywhere. import "estraverse" 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 estraverse with ES module syntax?

Yes. import estraverse from "estraverse" 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 estraverse work in Bun?

Yes. import "estraverse" loaded successfully in Bun 1.4 on Sep 9, 2026.

Does estraverse ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/estraverse".

Links

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