# ts-is-defined

> Typescript utilities

Latest version **3.0.5** (published 2023-08-15) · MIT license · 0 weekly downloads

## Install

```sh
npm install ts-is-defined
pnpm add ts-is-defined
yarn add ts-is-defined
bun add ts-is-defined
```

## Health

**Score 25/100 (F)** — status: abandoned.

Positive: has types; esm support; no vulnerabilities.

Warnings: low downloads.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 3.0.5 |
| Published | 2023-08-15 |
| First published | 2020-04-25 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 1 |
| Unpacked size | 5.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 1 |
| Author | iyegoroff |
| Maintainers | iyegoroff |
| Keywords | typescript, assert |

## Links

- npm: https://www.npmjs.com/package/ts-is-defined
- Repository: https://github.com/iyegoroff/ts-is-defined
- Homepage: https://github.com/iyegoroff/ts-is-defined#readme
- Issues: https://github.com/iyegoroff/ts-is-defined/issues
- npm.io page: https://npm.io/package/ts-is-defined

## Dependencies (1)

- [ts-tiny-invariant](https://npm.io/package/ts-tiny-invariant.md) ^2.0.5

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## Recent versions

- 3.0.5 (latest) — 2023-08-15
- 3.0.4 — 2022-05-28
- 3.0.3 — 2022-05-13
- 3.0.2 — 2022-05-12
- 3.0.1 — 2022-05-12
- 2.0.4 — 2022-04-27
- 2.0.3 — 2021-11-08
- 2.0.2 — 2021-11-07
- 2.0.1 — 2021-10-29
- 2.0.0 — 2021-10-29
- 1.0.1 — 2021-07-26
- 1.0.0 — 2020-08-16
- 0.0.3 — 2020-04-25

## README

# ts-is-defined

[![npm](https://img.shields.io/npm/v/ts-is-defined)](https://npm.im/ts-is-defined)
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Typescript utilities

```ts
export function isDefined<T>(value: T): value is NonNullable<T> {
  return value !== undefined && value !== null
}

export function assertDefined<T>(
  value: T,
  message: string
): asserts value is NonNullable<T> {
  invariant(isDefined(value), message)
}
```

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