resolve-accept-language
Version:
Resolve the preferred locale based on the value of an `Accept-Language` HTTP header.
1 lines • 1.2 kB
JavaScript
;var __read=this&&this.__read||function(e,o){var t="function"==typeof Symbol&&e[Symbol.iterator];if(!t)return e;var a,r,i=t.call(e),s=[];try{for(;(void 0===o||o-- >0)&&!(a=i.next()).done;)s.push(a.value)}catch(e){r={error:e}}finally{try{a&&!a.done&&(t=i.return)&&t.call(i)}finally{if(r)throw r.error}}return s};Object.defineProperty(exports,"__esModule",{value:!0}),exports.isLocale=exports.LocaleList=exports.Locale=void 0;var Locale=function(e){if(!(0,exports.isLocale)(e,!1))throw new Error("invalid locale identifier '".concat(e,"'"));var o=__read(e.split("-"),2),t=o[0],a=o[1];this.languageCode=t.toLowerCase(),this.countryCode=a.toUpperCase(),this.identifier="".concat(this.languageCode,"-").concat(this.countryCode)};exports.Locale=Locale;var LocaleList=function(e){var o=this;this.languages=new Set,this.countries=new Set,this.locales=new Set,this.objects=[],e.forEach((function(e){var t=new Locale(e);o.objects.push(t),o.locales.add(t.identifier),o.languages.add(t.languageCode),o.countries.add(t.countryCode)}))};exports.LocaleList=LocaleList;var isLocale=function(e,o){return void 0===o&&(o=!0),new RegExp("^[a-z]{2}-[A-Z]{2}$",o?"":"i").test(e)};exports.isLocale=isLocale;