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

Markdown-it - modern pluggable markdown parser.

Last verified Sep 9, 2026 against markdown-it@15.0.1. Markdown · JSON

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

markdown-it publishes both a CommonJS entry and a native ESM entry (ESM added in 14.0.0). require("markdown-it") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "markdown-it" works alongside it.

What to do

  1. Nothing to change. require("markdown-it") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import * as markdownIt from "markdown-it" works alongside it; use named imports for what the ESM entry exports.
  2. TypeScript: types are bundled; install nothing extra.
Latest
15.0.1 (Aug 27, 2026)
Module format
Dual (CommonJS + ESM)
Last CommonJS version
15.0.1
Native ESM since
14.0.0
TypeScript types
Bundled
Node engines
not declared
Weekly downloads
27.0M
License
MIT

Does markdown-it@15.0.1 actually load? Runtime test results

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

Runtimerequire("markdown-it")import "markdown-it"
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 markdown-it

ES modules (import)

import * as markdownIt from "markdown-it";

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

CommonJS (require)

const markdownIt = require("markdown-it");

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 (85 versions; the newest 60 shown).

VersionsFormatFirst published
14.0.0 – 15.0.1Dual (CommonJS + ESM)Dec 8, 2023
4.2.2 – 13.0.2CommonJSJun 9, 2015

Frequently asked

Is markdown-it ESM-only?

markdown-it@15.0.1 ships CommonJS and ESM builds. markdown-it publishes both a CommonJS entry and a native ESM entry (ESM added in 14.0.0). require("markdown-it") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. import "markdown-it" works alongside it.

Can I require markdown-it?

Yes. markdown-it ships a CommonJS entry alongside the native ESM entry. require("markdown-it") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun.

Does markdown-it work in Bun?

Yes. import "markdown-it" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does markdown-it ship TypeScript types?

Yes. markdown-it bundles its own type declarations; no @types package is needed.

Links

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