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

Fast, fault-tolerant, cross-platform, disk-based, data-agnostic, content-addressable cache.

Last verified Sep 9, 2026 against cacache@21.0.1. Markdown · JSON

CommonJS CommonJS — require() works on every Node.js version we test

cacache ships CommonJS only. require("cacache") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0. import "cacache" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

What to do

  1. require("cacache") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0.
  2. From ES modules use the default import: import cacache from "cacache"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/cacache
Latest
21.0.1 (Jun 9, 2026)
Module format
CommonJS
Last CommonJS version
21.0.1
TypeScript types
@types/cacache
Node engines
^22.22.2 || ^24.15.0 || >=26.0.0
Weekly downloads
35.1M
License
ISC

Does cacache@21.0.1 actually load? Runtime test results

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

Runtimerequire("cacache")import "cacache"
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 cacache

ES modules (import)

import cacache from "cacache";

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)

const cacache = require("cacache");

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 (110 versions; the newest 60 shown).

VersionsFormatFirst published
11.3.1 – 21.0.1CommonJSNov 5, 2018

Frequently asked

Is cacache ESM-only?

cacache@21.0.1 is a CommonJS package. cacache ships CommonJS only. require("cacache") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js ^22.22.2 || ^24.15.0 || >=26.0.0. import "cacache" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import cacache with ES module syntax?

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

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

Does cacache ship TypeScript types?

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

Links

Other commonjs packages

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