core-util-is provides the `util.is*` functions introduced in Node v0.12. It is useful if you want the same set of Node core `util.is*` helpers in your JavaScript code.
Project status
- The source does not appear actively maintained, with the most recent tagged updates at v1.0.3 on 2021-08-31, even though there was an upstream push on 2025-11-25 (no newer published updates are shown in the provided history).
- Update cadence is very infrequent (v1.0.0 in 2013, v1.0.1 in 2014, v1.0.2 in 2015, then v1.0.3 in 2021), indicating a long-term “stable but mostly quiet” trajectory.
AI summary generated
Recent updates
v1.0.3
Release v1.0.3 contains a small runtime change to core-util-is, plus significant test and packaging adjustments. The provided release notes are empty, so this analysis flags code and publish-related changes that are not documented.
Breakingv1.0.2
Release v1.0.2 updates core-util-is's type-checking helpers in lib/util.js and adds a small test suite plus a tap dev dependency. The provided release notes are empty, so behavior changes in the code are effectively undocumented.
v1.0.1
Release v1.0.1 was published on 2014-01-08. The publisher did not provide release notes, so there is no documented information about new features, fixes, breaking changes, or security updates in this release.
v1.0.0
This release is tagged v1.0.0, but no publisher release notes were provided, so the changes included in this upgrade are not documented. Developers should review the repository diff between the current version and v1.0.0 to identify any API, behavior, or configuration changes before upgrading.