diskfloppy.me/public/js/schemeSwap.js

73 lines
2.1 KiB
JavaScript

/**
* Retrieves a cookies 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 hostname = window.location.hostname;
const d = new Date();
d.setTime(d.getTime() + (exdays*24*60*60*1000));
let expires = "expires="+ d.toUTCString();
document.cookie = `${cname}=${cvalue};${expires};path=/;SameSite=Strict;Domain=${hostname}`
}
/**
* 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 {string} scheme Color scheme ID
*/
function swapScheme() {
let scheme = document.getElementById('scheme-selector').value ;
setCookie("colorscheme", scheme, 90);
document.getElementById("css-colorscheme").href = `/css/colorschemes/${scheme}.css`;
console.log(`Set colorscheme to ${getCookie("colorscheme")}`)
}
function setSchemeSelector() {
if (!cookieExists("colorscheme")) {
setCookie("colorscheme", "catppuccin-macchiato", 90);
} else {
const scheme = getCookie("colorscheme");
const scheme_selector = document.getElementById("scheme-selector");
if (scheme && scheme_selector) {
for (let option of scheme_selector.options) {
if (option.value === scheme) {
option.selected = true;
break;
}
}
}
}
}