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

Object value retrieval given a string path

Last verified Sep 9, 2026 against pathval@2.0.1. JSON

ESM-only ESM-only since 2.0.0 — last CommonJS version is 1.1.1

pathval dropped its CommonJS build in 2.0.0 (July 2023). The last version you can require() on every Node.js version, including 18 and older, is 1.1.1, published Jan 26, 2021.

On Node.js 20.19+, 22.12+ and every newer release, require("pathval") works anyway: Node can load synchronous ES modules through require(). Verified on Node 20, 22, 24, 26. Node.js 18 and older still fail with ERR_REQUIRE_ESM.

Latest
2.0.1 (Jun 25, 2025)
Module format
ESM-only
Last CommonJS version
1.1.1
ESM-only since
2.0.0 (Jul 21, 2023)
TypeScript types
@types/pathval
Node engines
>= 14.16
Weekly downloads
49.2M
License
MIT

Does pathval@2.0.1 actually load? Runtime test results

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

Runtimerequire("pathval")import "pathval"
Node.js 18✗ failsERR_REQUIRE_ESM✓ 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 pathval

ES modules (import)

import pathval from "pathval";

CommonJS (require)

// Node.js 20.19+ / 22.12+ / newer (package has no top-level await):
const pathval = require("pathval");

// Any Node.js version:
const pathval = await import("pathval");

// Or pin the last CommonJS release:
// npm install pathval@1.1.1

Module format by version

Derived from the type, main and exports fields of every stable release on npm (10 versions; the newest 10 shown).

VersionsFormatFirst published
2.0.0 – 2.0.1ESM-onlyJul 21, 2023
0.0.1 – 1.1.1CommonJSNov 24, 2013

Frequently asked

Is pathval ESM-only?

pathval@2.0.1 is ESM-only. pathval dropped its CommonJS build in 2.0.0 (July 2023). The last version you can require() on every Node.js version, including 18 and older, is 1.1.1, published Jan 26, 2021.

Which version of pathval still supports CommonJS / require()?

1.1.1 is the last version of pathval with a CommonJS build. Install it with "npm install pathval@1.1.1". Every version from 2.0.0 on is ESM-only.

How do I use pathval from a CommonJS file?

Use a dynamic import: const mod = await import("pathval"). On Node.js 20.19+, 22.12+ and newer, a plain require("pathval") also works for ESM packages that do not use top-level await. Alternatively pin pathval@1.1.1.

Does pathval work in Bun?

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

Does pathval ship TypeScript types?

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

Links

Other esm-only packages

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