72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
/**
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* Retrieves a cookies value
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* @param {string} cname Cookie name
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* @returns {string} Cookie value
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*/
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function getCookie(cname) {
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let name = cname + "=";
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let decodedCookie = decodeURIComponent(document.cookie);
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let ca = decodedCookie.split(';');
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for(let i = 0; i <ca.length; i++) {
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let c = ca[i];
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while (c.charAt(0) === ' ') {
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c = c.substring(1);
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}
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if (c.indexOf(name) === 0) {
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return c.substring(name.length, c.length);
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}
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}
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return "";
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}
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/**
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* Sets/creates a cookie
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* @param {string} cname Cookie name
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* @param {string} cvalue Cookie value
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* @param {number} exdays Cookie lifespan (days)
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*/
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function setCookie(cname, cvalue, exdays) {
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const hostname = window.location.hostname;
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const d = new Date();
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d.setTime(d.getTime() + (exdays*24*60*60*1000));
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let expires = "expires="+ d.toUTCString();
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document.cookie = `${cname}=${cvalue};${expires};path=/;SameSite=Strict;Domain=${hostname}`
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}
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/**
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* Checks if a cookie exists
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* @param {string} cname Cookie name
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* @returns {boolean} If cookie exists or not
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*/
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function cookieExists(cname) {
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const cvalue = getCookie(cname);
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return cvalue !== "";
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}
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/**
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* Swaps the colorscheme
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* @param {string} scheme Color scheme ID
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*/
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function swapScheme() {
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let scheme = document.getElementById('scheme-selector').value ;
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setCookie("colorscheme", scheme, 90);
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document.getElementById("css-colorscheme").href = `/css/colorschemes/${scheme}.css`;
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console.log(`Set colorscheme to ${getCookie("colorscheme")}`)
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}
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function setSchemeSelector() {
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if (!cookieExists("colorscheme")) {
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setCookie("colorscheme", "catppuccin-macchiato", 90);
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} else {
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const scheme = getCookie("colorscheme");
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const scheme_selector = document.getElementById("scheme-selector");
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if (scheme && scheme_selector) {
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for (let option of scheme_selector.options) {
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if (option.value === scheme) {
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option.selected = true;
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break;
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}
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}
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}
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}
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}
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