93 lines
2.2 KiB
JavaScript
93 lines
2.2 KiB
JavaScript
// Has to be in the head tag, otherwise a flicker effect will occur.
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let toggleTheme = (theme) => {
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if (theme == "dark") {
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setTheme("light");
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} else {
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setTheme("dark");
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}
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}
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let setTheme = (theme) => {
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transTheme();
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setHighlight(theme);
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setGiscusTheme(theme);
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if (theme) {
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document.documentElement.setAttribute("data-theme", theme);
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// Add class to tables.
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let tables = document.getElementsByTagName('table');
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for(let i = 0; i < tables.length; i++) {
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if (theme == "dark") {
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tables[i].classList.add('table-dark');
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} else {
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tables[i].classList.remove('table-dark');
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}
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}
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} else {
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document.documentElement.removeAttribute("data-theme");
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}
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localStorage.setItem("theme", theme);
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// Updates the background of medium-zoom overlay.
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if (typeof medium_zoom !== 'undefined') {
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medium_zoom.update({
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background: getComputedStyle(document.documentElement)
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.getPropertyValue('--global-bg-color') + 'ee', // + 'ee' for trasparency.
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})
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}
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};
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let setHighlight = (theme) => {
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if (theme == "dark") {
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document.getElementById("highlight_theme_light").media = "none";
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document.getElementById("highlight_theme_dark").media = "";
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} else {
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document.getElementById("highlight_theme_dark").media = "none";
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document.getElementById("highlight_theme_light").media = "";
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}
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}
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let setGiscusTheme = (theme) => {
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function sendMessage(message) {
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const iframe = document.querySelector('iframe.giscus-frame');
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if (!iframe) return;
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iframe.contentWindow.postMessage({ giscus: message }, 'https://giscus.app');
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}
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sendMessage({
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setConfig: {
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theme: theme
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}
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});
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}
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let transTheme = () => {
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document.documentElement.classList.add("transition");
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window.setTimeout(() => {
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document.documentElement.classList.remove("transition");
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}, 500)
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}
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let initTheme = (theme) => {
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if (theme == null || theme == 'null') {
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const userPref = window.matchMedia;
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if (userPref && userPref('(prefers-color-scheme: dark)').matches) {
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theme = 'dark';
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}
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}
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setTheme(theme);
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}
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initTheme(localStorage.getItem("theme"));
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