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

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Last verified Sep 9, 2026 against ejs@6.0.1. Markdown · JSON

Dual (CommonJS + ESM) Dual package — require() works on every Node.js version we test; import works too

ejs publishes both a CommonJS entry and a native ESM entry (ESM added in 4.0.1). require("ejs") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.12.18. import "ejs" works alongside it.

What to do

  1. Nothing to change. require("ejs") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.12.18. import * as ejs from "ejs" works alongside it; use named imports for what the ESM entry exports.
  2. TypeScript: npm install -D @types/ejs
Latest
6.0.1 (May 26, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
6.0.1
Native ESM since
4.0.1
TypeScript types
@types/ejs
Node engines
>=0.12.18
Weekly downloads
36.1M
License
Apache-2.0

Does ejs@6.0.1 actually load? Runtime test results

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

Runtimerequire("ejs")import "ejs"
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 1.4.0✓ works✓ works

How to import ejs

ES modules (import)

import * as ejs from "ejs";

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

CommonJS (require)

const ejs = require("ejs");

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 (79 versions; the newest 60 shown).

VersionsFormatFirst published
4.0.1 – 6.0.1Dual (CommonJS + ESM)Jan 14, 2026
0.8.0 – 3.1.10CommonJSJul 25, 2012

Frequently asked

Is ejs ESM-only?

ejs@6.0.1 ships CommonJS and ESM builds. ejs publishes both a CommonJS entry and a native ESM entry (ESM added in 4.0.1). require("ejs") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.12.18. import "ejs" works alongside it.

Can I require ejs?

Yes. ejs ships a CommonJS entry alongside the native ESM entry. require("ejs") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >=0.12.18.

Does ejs work in Bun?

Yes. import "ejs" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does ejs ship TypeScript types?

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

Links

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