npm-pack

▷ Test your package in the published format, without having to publish to NPM.

Like `npm link`, but it always works. Well, it doesn't anymore, but it did.

npx tool for generating code snippets

Check what npm publish will actually ship before you publish: packs the tarball and verifies entry points, exports and bin targets exist and load, types resolve, no secrets or junk are included, and size stays within budget. Text/JSON/SARIF/Markdown, allowlist with expiry, GitHub Action. Zero deps.

Just like "npm link" without the source and node_modules.

Test your npm package the way users receive it: pack it, install the tarball into a clean project, and run it on every Node version your engines field promises. Also checks docs against package.json, and the published artifact against the build.