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/**
* Retrieves a cookie's value
* @param {string} cname Cookie name
* @returns {string} Cookie value
*/
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 "";
}
/**
* Sets/creates a cookie
* @param {string} cname Cookie name
* @param {string} cvalue Cookie value
* @param {number} exdays Cookie lifespan (days)
*/
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=/";
}
/**
* Checks if a cookie exists
* @param {string} cname Cookie name
* @returns {boolean} If cookie exists or not
*/
function cookieExists(cname) {
const cvalue = getCookie(cname);
return cvalue !== "";
}
/**
* Swaps the colorscheme
* @param option
*/
function swapScheme(scheme) {
setCookie("colorscheme", scheme, 90);
document.getElementById("css-colorscheme").href = `/css/colorschemes/${scheme}.css`;
console.log(`Set colorscheme to ${getCookie("colorscheme")}`)
}
function setDefaultScheme() {
if (!cookieExists("colorscheme")) {
setCookie("colorscheme", "catppuccin-macchiato", 90);
console.debug("Set default colorscheme");
} else {
const scheme = getCookie("colorscheme");
const schemeselector = document.getElementById("scheme-selector");
if (scheme && schemeselector) {
for (let option of schemeselector.options) {
if (option.value == scheme) {
option.selected = true;
break;
}
}
}
swapScheme(scheme);
}
}
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