# @hooks/boolean

React hook to store a boolean

![NPM version](https://img.shields.io/npm/v/@hooks/boolean?style=flat-square)
![Travis](https://img.shields.io/travis/com/simmo/hooks?style=flat-square)
![License](https://img.shields.io/npm/l/@hooks/boolean?style=flat-square)

## Install

```bash
npm i @hooks/boolean
```

## Usage

### useBoolean

```ts
useBoolean(initialValue: boolean): [boolean, (nextValue?: boolean) => void]
```

#### Parameters

##### `initialValue: boolean`

The initial state for the value.

#### Return

Returns an array containing the value and a function to update it.


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@hooks/boolean

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Source files are encoded using a non-standard text encoding.

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Package version is not a valid semantic version (semver).

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Bad semver

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Bad dependency semver

Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

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Bidirectional unicode control characters

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Bin script confusion

Semantic versions published out of chronological order.

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Chronological version anomaly

Project maintainer's SSH key has been compromised.

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Title

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Deprecated license

Package name is similar to other popular packages and may not be the package you want.

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Dynamic require

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Name

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File dependency

Accesses the file system, and could potentially read sensitive data.

What is filesystem access?

Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

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Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

Why is native code a concern?

Native code

Contains high entropy strings. This could be a sign of encrypted data, leaked secrets or obfuscated code.

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High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

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Unicode homoglyphs

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HTTP dependency

Install scripts are run when the package is installed. The majority of malware in npm is hidden in install scripts.

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Install scripts

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Invalid manifest file

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Invisible chars

(Experimental) Package license has recently changed.

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License change

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This package is not allowed per your license policy. Review the package's license to ensure compliance.

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What's wrong with long strings?

Long strings

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

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Major refactor

This package is malware. We have asked the package registry to remove it.

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Known malware

This package has inconsistent metadata. This could be malicious or caused by an error when publishing the package.

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Manifest confusion

Contains a medium severity Common Vulnerability and Exposure (CVE).

What is a medium CVE?

Medium CVE

Contains a low severity Common Vulnerability and Exposure (CVE).

What is a mild CVE?

Low CVE

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

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Minified code

(Experimental) A package's licensing information has fine-grained problems.

Misc. License Issues

The package was published by an npm account that no longer exists.

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Non-existent author

A required dependency is not declared in package.json and may prevent the package from working.

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Missing dependency

(Experimental) Package does not have a license and consumption legal status is unknown.

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Missing license

This package is missing it's tarball. It could be removed from the npm registry or there may have been an error when publishing.

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(Experimental) Package contains multiple licenses.

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Mixed license

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Modified license exception

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Modified license

What is network access?

Network access

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

What is new author?

New author

Package does not specify a list of contributors or an author in package.json.

Why is contributor and author data important?

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(Experimental) License information could not be found.

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Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

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No tests

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

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No v1

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(Experimental) Package has a non-FSF-approved license.

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Non OSI license

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@hooks/boolean

@hooks/boolean

Install

Usage

useBoolean

Parameters

`initialValue: boolean`

Return

Keywords

Related posts

@hooks/boolean

@hooks/boolean

Install

Usage

useBoolean

Parameters

initialValue: boolean

Return

Keywords

Related posts

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Risky Business Podcast: Why Open Source Software Needs Better Malware Tracking

`initialValue: boolean`