accept-language

accept-language

accept-language parses HTTP Accept-Language header and returns the most likely language tag or a consumable array of language tags.

Installation:

npm install accept-language --save

Usage:

var acceptLanguage = require('accept-language');
accepLanguage.languageTags(['en-US', 'zh-CN']);
console.log(accepLanguage.get('en-GB,en;q=0.8,sv'));
// outputs: 'en-US'

var language = acceptLanguage.parse('en-GB,en;q=0.8,sv');
console.log(language);

/*
[
  {
    value: 'en-US',
    language: "en",
    region: "US",
    quality: 1.0
  }
];
*/

Recommended usage with L10ns:

L10ns is internationalization workflow and formatting tool. This library was specifically built for L10ns.

API

accepLanguage.languageTags(Array languageTags);

Define your language tags in highest priority comes first. The language tags must comply with BCP47 standard. I.e. all language tags en, en-US and zh-Hant-TW are working.

acceptLanguage.languageTags(['en-US', 'zh-CN']);

accepLanguage.get(String acceptLanguageString);

Get the most likely language tag given an Accept-Language string. In order for it to work you must set all your language tags first.

acceptLanguage.get('en-GB,en;q=0.8,sv'));

accepLanguage.parse(String acceptLanguageString);

Parse an Accept-Language string and get a consumable array. In order for it to work you must set all your language tags first.

acceptLanguage.get('en-GB,en;q=0.8,sv'));

License

MIT