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Is socks-proxy-agent ESM-only? Can you require() it?

A SOCKS proxy `http.Agent` implementation for HTTP and HTTPS

Last verified Sep 9, 2026 against socks-proxy-agent@10.1.0. Markdown · JSON

ESM-only ESM-only since 9.0.0 — last CommonJS version is 8.0.5

socks-proxy-agent dropped its CommonJS build in 9.0.0 (March 2026). The last version with a plain require()-able CommonJS entry is 8.0.5, published Dec 7, 2024; it declares support for Node.js >= 14.

On Node.js 20.19+, 22.12+ and newer, require("socks-proxy-agent") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Node.js 18 has no require(esm), and socks-proxy-agent@10.1.0 declares Node.js >= 20, so 18 is outside its supported range anyway.

socks-proxy-agent@10.1.0 declares engines ">= 20", so Node.js 18 is outside its supported range regardless of module format.

What to do

  1. On Node.js 20.19+, 22.12+ and newer, require("socks-proxy-agent") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26.
  2. From a CommonJS file, use a dynamic import inside an async function: const socksProxyAgent = await import("socks-proxy-agent"). That works on every Node.js version the package supports (>= 20).
  3. If you need a synchronous require() or run Node.js 18: npm install socks-proxy-agent@8.0.5, the last CommonJS release (published Dec 7, 2024); it declares Node.js >= 14.
  4. socks-proxy-agent@10.1.0 declares engines ">= 20", so Node.js 18 is unsupported regardless: upgrade Node.js or pin an older release.
  5. TypeScript: types are bundled; install nothing extra.
Latest
10.1.0 (Jun 8, 2026)
Module format
ESM-only
Last CommonJS version
8.0.5
ESM-only since
9.0.0 (Mar 11, 2026)
TypeScript types
Bundled
Node engines
>= 20
Weekly downloads
50.9M
License
MIT

Does socks-proxy-agent@10.1.0 actually load? Runtime test results

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

Runtimerequire("socks-proxy-agent")import "socks-proxy-agent"
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 1.4.0✓ works✓ works

How to import socks-proxy-agent

ES modules (import)

import * as socksProxyAgent from "socks-proxy-agent";

Namespace import shown because the ESM entry may have no default export; use named imports for what it exports.

CommonJS (require)

// Node.js 20.19+, 22.12+ and newer (verified):
const socksProxyAgent = require("socks-proxy-agent");

// Any Node.js version the package supports (>= 20), from an async function:
async function main() {
  const socksProxyAgent = await import("socks-proxy-agent");
}

// Or pin the last CommonJS release (declares Node.js >= 14):
// npm install socks-proxy-agent@8.0.5

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (33 versions; the newest 33 shown).

VersionsFormatFirst published
9.0.0 – 10.1.0ESM-onlyMar 11, 2026
0.0.1 – 8.0.5CommonJSJul 11, 2013

Frequently asked

Is socks-proxy-agent ESM-only?

socks-proxy-agent@10.1.0 is ESM-only. socks-proxy-agent dropped its CommonJS build in 9.0.0 (March 2026). The last version with a plain require()-able CommonJS entry is 8.0.5, published Dec 7, 2024; it declares support for Node.js >= 14.

Which version of socks-proxy-agent still supports CommonJS / require()?

8.0.5 is the last version of socks-proxy-agent with a CommonJS build; it declares Node.js >= 14. Install it with "npm install socks-proxy-agent@8.0.5". Every version from 9.0.0 on is ESM-only.

How do I use socks-proxy-agent from a CommonJS file?

From a CommonJS file, use a dynamic import inside an async function: const socksProxyAgent = await import("socks-proxy-agent"). That works on every Node.js version the package supports (>= 20). On Node.js 20.19+, 22.12+ and newer, require("socks-proxy-agent") works with the latest version: Node.js loads synchronous ES modules through require(). Verified on Node.js 20, 22, 24 and 26. Alternatively pin socks-proxy-agent@8.0.5 (declares Node.js >= 14).

Does socks-proxy-agent work in Bun?

Yes. import "socks-proxy-agent" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does socks-proxy-agent ship TypeScript types?

Yes. socks-proxy-agent bundles its own type declarations; no @types package is needed.

Links

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