46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
// Toggle theme
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const isOSLight = window.matchMedia("(prefers-color-scheme: light)").matches
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const localTheme = window.localStorage && window.localStorage.getItem("lightTheme")
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const themeToggle = document.querySelector(".theme-toggle")
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function changeFavicon() {
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const src = document.documentElement.classList.contains("dark-theme") ? "/img/favicon-dark.png" : "/img/favicon.png";
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const link = document.createElement('link'),
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oldLink = document.getElementById('dynamic-favicon');
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link.id = 'dynamic-favicon';
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link.rel = 'shortcut icon';
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link.href = src;
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if (oldLink) {
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document.head.removeChild(oldLink);
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}
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document.head.appendChild(link);
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}
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function changeTheme(useLight) {
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document.documentElement.classList.remove('light-theme', 'dark-theme', 'has-light-text', 'has-dark-text')
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if (useLight) {
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document.documentElement.classList.add('light-theme', 'has-dark-text')
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} else {
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document.documentElement.classList.add('dark-theme', 'has-light-text')
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}
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if (window.localStorage) {
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window.localStorage.setItem(
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"lightTheme",
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useLight ? "light" : "dark")
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}
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changeFavicon()
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}
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themeToggle.addEventListener("click", () => {
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changeTheme(document.documentElement.classList.contains('dark-theme'))
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});
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if (localTheme === "light") {
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changeTheme(true)
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} else {
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changeTheme(isOSLight)
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}
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