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

## Description This project is a simple chat application built using Node.js and Socket.io. It allows users to send real-time messages to each other in a chat room.

Last verified Sep 9, 2026 against acertea@1.1.6. Markdown · JSON

CommonJS CommonJS on paper — require() failed in our runtime test

acertea declares a CommonJS entry only, but require("acertea") failed on every Node.js version in our probe: Cannot find module 'express'. import "acertea" resolves to the same file, so it fails the same way. That usually means a missing peer dependency, a browser-only global, or a package that is not meant to be loaded directly; see the runtime table below.

What to do

  1. require("acertea") failed in our probe on every Node.js version (Cannot find module 'express'); check the package README for peer dependencies or setup before relying on it.
  2. From ES modules use the default import: import acertea from "acertea"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: no types are available for acertea; declare the module yourself if you need them.
Latest
1.1.6 (May 27, 2024)
Module format
CommonJS
Last CommonJS version
1.1.6
TypeScript types
None
Node engines
not declared
Weekly downloads
384
License
ISC

Does acertea@1.1.6 actually load? Runtime test results

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

Runtimerequire("acertea")import "acertea"
Node.js 18✗ failsMODULE_NOT_FOUND✗ failsMODULE_NOT_FOUND
Node.js 20✗ failsMODULE_NOT_FOUND✗ failsMODULE_NOT_FOUND
Node.js 22✗ failsMODULE_NOT_FOUND✗ failsMODULE_NOT_FOUND
Node.js 24✗ failsMODULE_NOT_FOUND✗ failsMODULE_NOT_FOUND
Node.js 26✗ failsMODULE_NOT_FOUND✗ failsMODULE_NOT_FOUND
Bun 1.4.0✗ failsError✗ failsError

A failing require() on a CommonJS package usually means the package needs a browser/DOM global, a peer dependency, or a native binary that is not available in a bare Node.js process.

How to import acertea

ES modules (import)

import acertea from "acertea";

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)

// require("acertea") failed in our probe on every Node.js version we test (Cannot find module 'express'); see the runtime table.
const acertea = require("acertea");

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 (2 versions; the newest 2 shown).

VersionsFormatFirst published
1.1.4 – 1.1.6CommonJSMar 18, 2024

Frequently asked

Is acertea ESM-only?

acertea@1.1.6 declares a CommonJS entry, but require() fails at runtime. acertea declares a CommonJS entry only, but require("acertea") failed on every Node.js version in our probe: Cannot find module 'express'. import "acertea" resolves to the same file, so it fails the same way. That usually means a missing peer dependency, a browser-only global, or a package that is not meant to be loaded directly; see the runtime table below.

Can I require acertea?

Not in practice. acertea declares a CommonJS entry, but require("acertea") failed on every Node.js version in our probe: Cannot find module 'express'. Check the package README for peer dependencies or setup before relying on it.

Can I import acertea with ES module syntax?

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

Importing acertea failed in Bun 1.4.0 on Sep 9, 2026: error: Cannot find package 'express' from '/Users/boat/Projects/top-seo/data/probe-work/acertea/node_modules/acertea/index.js'

Does acertea ship TypeScript types?

No. acertea ships no type declarations and there is no @types package for it.

Links

Other commonjs packages

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