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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | # unicode-property-value-aliases [](https://travis-ci.org/mathiasbynens/unicode-property-value-aliases)
_unicode-property-value-aliases_ offers the Unicode property value alias mappings in an easy-to-consume JavaScript format.
It’s based on [draft 16 of the `PropertyValueAliases.txt` data for Unicode v11.0.0](https://unicode.org/Public/11.0.0/ucd/PropertyValueAliases-11.0.0d16.txt).
For the subset used by Unicode RegExp property escapes in ECMAScript, [see _unicode-property-value-aliases-ecmascript_](https://github.com/mathiasbynens/unicode-property-value-aliases-ecmascript).
## Installation
To use _unicode-property-value-aliases_ programmatically, install it as a dependency via [npm](https://www.npmjs.com/):
```bash
$ npm install unicode-property-value-aliases
```
Then, `require` it:
```js
const propertyValueAliases = require('unicode-property-value-aliases');
```
## Usage
This module exports a `Map` object of which the keys are canonical property names and the values are `Map`s from property value aliases to canonical property value names. The most common usage is to convert a property value alias to its canonical form:
```js
propertyValueAliases.get(property).get(propertyValue)
```
Examples:
```js
propertyValueAliases.get('Bidi_Class').get('AL')
// → 'Arabic_Letter'
propertyValueAliases.get('Block').get('Alphabetic_PF')
// → 'Alphabetic_Presentation_Forms'
propertyValueAliases.get('Canonical_Combining_Class').get('KV')
// → 'Kana_Voicing'
```
## Author
| [](https://twitter.com/mathias "Follow @mathias on Twitter") |
|---|
| [Mathias Bynens](https://mathiasbynens.be/) |
## License
_unicode-property-value-aliases_ is available under the [MIT](https://mths.be/mit) license.
|