# core-util-is

> The `util.is*` functions introduced in Node v0.12.

Latest version **1.0.3** (published 2021-08-31) · MIT license · 0 weekly downloads

> **Better alternative:** See documentation for alternatives (https://github.com/AikidoSec/module-replacements/blob/main/docs/core-util-is)

## Install

```sh
npm install core-util-is
pnpm add core-util-is
yarn add core-util-is
bun add core-util-is
```

## Health

**Score 33/100 (F)** — status: abandoned.

Positive: has types package; no vulnerabilities; high quality score.

Warnings: low downloads; no esm support.

Negative: abandoned.

## Facts

| | |
|---|---|
| Version | 1.0.3 |
| Published | 2021-08-31 |
| First published | 2013-08-26 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | separate (@types/core-util-is) |
| Module format | CommonJS |
| Dependencies | 0 |
| Unpacked size | 4.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 101 |
| Author | Isaac Z. Schlueter |
| Maintainers | isaacs |
| Keywords | util, isBuffer, isArray, isNumber, isString, isRegExp, isThis, isThat, polyfill |

## Links

- npm: https://www.npmjs.com/package/core-util-is
- Repository: https://github.com/isaacs/core-util-is
- Homepage: https://github.com/isaacs/core-util-is#readme
- Issues: https://github.com/isaacs/core-util-is/issues
- npm.io page: https://npm.io/package/core-util-is

## Alternatives

- [flatbuffers](https://npm.io/package/flatbuffers.md) — 6.0M weekly downloads
- [jwt-simple](https://npm.io/package/jwt-simple.md) — 259.5K weekly downloads
- [@exodus/patch-broken-hermes-typed-arrays](https://npm.io/package/@exodus/patch-broken-hermes-typed-arrays.md) — 28.5K weekly downloads
- [@native-to-anchor/buffer-layout](https://npm.io/package/@native-to-anchor/buffer-layout.md) — 12.2K weekly downloads
- [binary-parser-encoder](https://npm.io/package/binary-parser-encoder.md) — 5.3K weekly downloads

## Recent versions

- 1.0.3 (latest) — 2021-08-31
- 1.0.2 — 2015-11-20
- 1.0.1 — 2014-01-08
- 1.0.0 — 2013-08-26

## README

# core-util-is

The `util.is*` functions introduced in Node v0.12.

---
_Source: https://npm.io/package/core-util-is · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._
