https://github.com/yerkopalma/is-valid-identifier

:v: check if a string is a valid ECMAscript identifier
https://github.com/yerkopalma/is-valid-identifier

identifier

Last synced: 3 months ago
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:v: check if a string is a valid ECMAscript identifier

• Host: GitHub
• URL: https://github.com/yerkopalma/is-valid-identifier
• Owner: YerkoPalma
• License: mit
• Created: 2016-09-29T14:56:16.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2019-05-19T20:52:41.000Z (about 6 years ago)
• Last Synced: 2025-03-01T14:22:59.496Z (3 months ago)
• Topics: identifier
• Language: JavaScript
• Homepage: https://www.npmjs.com/package/is-valid-identifier
• Size: 20.5 KB
• Stars: 4
• Watchers: 2
• Forks: 2
• Open Issues: 9
• Metadata Files:
  • Readme: readme.md
  • License: license

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README

        
# is-valid-identifier [![Build Status](https://secure.travis-ci.org/YerkoPalma/is-valid-identifier.svg?branch=master)](https://travis-ci.org/YerkoPalma/is-valid-identifier) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://github.com/feross/standard)

> check if a string is a valid ECMAscript identifier

All the code is based on [this repo](https://github.com/mathiasbynens/mothereff.in/tree/master/js-variables), I am just putting it into npm.

## Installation

```bash

npm install --save is-valid-identifier

```

## Usage

```javascript

const isValidIdentifier = require('is-valid-identifier')

isValidIdentifier('404') // => false

isValidIdentifier('404', true) // => second argument is for strict mode, instead of returning a false, will throw an exception

```

## License

MIT

Crafted with <3 by [Yerko Palma](https://github.com/YerkoPalma).

***

> This package was initially generated with [yeoman](http://yeoman.io) and the [p generator](https://github.com/johnotander/generator-p.git).