Waymark / Routes / docs.npmjs.com
Preview which files go into an npm package with npm pack --dry-run
domain: docs.npmjs.com · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checked community attestations: 0✓ / 0✗
Documented steps cd into the package directory. Run `npm pack --dry-run` to see exactly which files would be included in the tarball without actually creating it. Review the printed list; any file that should ship but is missing needs a files entry or an explicit ! un-ignore rule. Add a `--json` flag to get machine-readable output listing the file list and the computed tarball size. Use this preview before publishing to avoid accidentally shipping node_modules, tests, or local config.
Known gotchas `npm pack --dry-run` does not write any tarball file, so verify the tarball filename/size reported in output is what you expect. The dry-run result reflects the same file selection rules that `npm publish` uses, so it is a reliable pre-publish check. Packages never include node_modules, package-lock.json, yarn.lock, pnpm-lock.yaml, or .npmrc even if present.
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