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supportLangs = [
{
name : "English",
value : "en-US",
icon : "🇺🇸"
},
{
name : "Farsi",
value : "fa_IR",
icon : "🇮🇷"
},
{
name : "汉语",
value : "zh-Hans",
icon : "🇨🇳"
},
]
function getLang(){
let lang = getCookie('lang')
if (! lang){
if (window.navigator){
lang = window.navigator.language || window.navigator.userLanguage;
if (isSupportLang(lang)){
setCookie('lang' , lang , 150)
}else{
setCookie('lang' , 'en-US' , 150)
window.location.reload();
}
}else{
setCookie('lang' , 'en-US' , 150)
window.location.reload();
}
}
return lang;
}
function setLang(lang){
if (!isSupportLang(lang)){
lang = 'en-US';
}
setCookie('lang' , lang , 150)
window.location.reload();
}
function isSupportLang(lang){
for (l of supportLangs){
if (l.value === lang){
return true;
}
}
return false;
}
function getCookie(cname) {
let name = cname + "=";
let decodedCookie = decodeURIComponent(document.cookie);
let ca = decodedCookie.split(';');
for(let i = 0; i <ca.length; i++) {
let c = ca[i];
while (c.charAt(0) == ' ') {
c = c.substring(1);
}
if (c.indexOf(name) == 0) {
return c.substring(name.length, c.length);
}
}
return "";
}
function setCookie(cname, cvalue, exdays) {
const d = new Date();
d.setTime(d.getTime() + (exdays*24*60*60*1000));
let expires = "expires="+ d.toUTCString();
document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}
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