is-bigint is a JavaScript utility that checks whether a value is an ES BigInt, including cases like `1n` and `Object(1n)`. It is useful for adding type guards before you use BigInt-specific logic in your code.
Project status
- The repository shows signs of continued activity, with the last upstream push on 2026-04-29, but the provided update history is sparse (not enough evidence to confirm a steady maintenance cadence).
- Update cadence appears infrequent based on the newest described updates: v1.1.0 in 2024-12-02, then v1.0.4 in 2021-08-12, and v1.0.3 in 2021-08-06 (suggesting long gaps between recorded updates).
AI summary generated Today
Recent updates
v1.1.0
12/2/2024Release v1.1.0 has no publisher-provided release notes. The code diff indicates the main user-facing change is that the package now ships TypeScript type declarations (index.d.ts), alongside a dependency bump (has-bigints) and packaging/publish metadata updates (npmignore generation, publishConfig ignore).
Featuresv1.0.4
8/12/2021v1.0.4 updates the project tooling and packaging. The main functional change revealed by the diff is that `has-bigints` is now a runtime dependency (moved from devDependencies), while lint configuration files were cleaned up and a dev dependency (`tape`) was bumped.
v1.0.3
8/6/2021Release v1.0.3 was published on 2021-08-06, but no release notes were provided by the publisher. As a result, there is no documented information about new features, fixes, breaking changes, or security updates in this release.