# koa-locale
> Get locale variable from query, subdomain, the last domain, accept-languages or cookie for koa.
[![NPM version][npm-img]][npm-url]
[![Build status][travis-img]][travis-url]
[![Test coverage][coveralls-img]][coveralls-url]
[![License][license-img]][license-url]
[![Dependency status][david-img]][david-url]
### Installation
```bash
$ npm install koa-locale
```
### Usage
```js
var app = require('koa')();
var locale = require('koa-locale');
// the locale key name defaults to `locale`
locale(app, 'language');
app.use(function *(next) {
// query: '?language=en'
this.body = this.getLocaleFromQuery();
});
```
### API
#### ctx.getLocaleFromQuery(), ctx.request.getLocaleFromQuery()
```
/?locale=en-US
```
#### ctx.getLocaleFromSubdomain(), ctx.request.getLocaleFromSubdomain()
```
zh-CN.koajs.com
```
#### ctx.getLocaleFromHeader(multi = false), ctx.request.getLocaleFromHeader(multi = false)
```
Accept-Language: zh-CN,zh;q=0.5
```
#### ctx.getLocaleFromCookie(), ctx.request.getLocaleFromCookie()
```
Cookie: locale=zh-TW
```
#### ctx.getLocaleFromUrl(options), ctx.request.getLocaleFromUrl(options)
```
http://koajs.com/en
```
```
options = { offset: 2 }
http://koajs.com/foo/bar/en
```
#### ctx.getLocaleFromTLD(), ctx.request.getLocaleFromTLD()
```
http://koajs.com/
http://koajs.cn/
http://koajs.it/
```
### License
MIT
[npm-img]: https://img.shields.io/npm/v/koa-locale.svg?style=flat-square
[npm-url]: https://npmjs.org/package/koa-locale
[travis-img]: https://img.shields.io/travis/koa-modules/locale.svg?style=flat-square
[travis-url]: https://travis-ci.org/koa-modules/locale
[coveralls-img]: https://img.shields.io/coveralls/koa-modules/locale.svg?style=flat-square
[coveralls-url]: https://coveralls.io/r/koa-modules/locale?branch=master
[license-img]: https://img.shields.io/badge/license-MIT-green.svg?style=flat-square
[license-url]: LICENSE
[david-img]: https://img.shields.io/david/koa-modules/locale.svg?style=flat-square
[david-url]: https://david-dm.org/koa-modules/locale