ensure-date-fns-supports-locale

# ensure-date-fns-supports-locale

> Library helps you to be sure that passed locale(s) supported by [date-fns](https://date-fns.org) library

### Install

```bash
npm install ensure-date-fns-supports-locale --save
```
or
```bash
yarn add ensure-date-fns-supports-locale
```

### Usage

```js
const ensureLocale = require('ensure-date-fns-supports-locale');

// check single locale
const ensureIsRussianSupported = ensureLocale('ru'); // true
const ensureIsElvenSupported = ensureLocale('elv'); // false

// check array of locales
const ensureLocalesSupported = ensureLocale(['ru', 'en', 'eo']); // true
const ensureLocalesSupported = ensureLocale(['zzz', 'en', 'eo']); // false
```

### Tests

```bash
npm test
```

Ensure that date-fns supports passed locale. 

Ensure that date-fns supports passed locale

alcovegan

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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

Package has dependencies with an invalid semantic version. This could be a sign of beta, low quality, or unmaintained dependencies.

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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

This package has multiple bin scripts with the same name.  This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack

What is bin script confusion?

Bin script confusion

Semantic versions published out of chronological order.

What is a chronological version anomaly?

Chronological version anomaly

(Experimental) Copyleft license information was found

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Copyleft License

Contains a Critical Common Vulnerability and Exposure (CVE).

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Title

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

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Deprecated

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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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Possible typosquat attack

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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.

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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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Floating dependency

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Git dependency

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GitHub dependency

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Native 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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License exception

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Long strings

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Major refactor

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Known malware

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Manifest confusion

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

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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.

What's wrong with minified code?

Minified code

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

Nonpermissive License

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

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Non-existent author

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Missing dependency

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Missing license

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Missing package tarball

(Experimental) Package contains multiple licenses.

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Mixed license

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Modified license exception

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What is a modified license?

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?

No contributors or author data

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No bug tracker

(Experimental) License information could not be found

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No repository

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.

What is wrong with semver < v1?

No v1

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No website

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

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Non FSF license

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Non OSI license

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What is a non SPDX license?

Non SPDX license

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Non-permissive License

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ensure-date-fns-supports-locale