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https://github.com/jbowdre/runtimeterror.git
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implement dark/light toggle
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parent
3ced86d8d2
commit
2de36c1b02
5 changed files with 167 additions and 3 deletions
40
assets/js/set-theme.js
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40
assets/js/set-theme.js
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@ -0,0 +1,40 @@
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const toggleButton = document.getElementById('themeToggle');
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const htmlElement = document.documentElement;
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function setTheme(theme) {
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htmlElement.setAttribute('data-theme', theme);
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localStorage.setItem('theme', theme);
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updateToggleButton(theme);
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}
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function updateToggleButton(theme) {
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toggleButton.setAttribute('aria-checked', theme === 'dark');
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}
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function getPreferredTheme() {
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const storedTheme = localStorage.getItem('theme');
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if (storedTheme) {
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return storedTheme;
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}
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return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
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}
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// Ensure the toggle button state is correct on load
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document.addEventListener('DOMContentLoaded', () => {
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updateToggleButton(getPreferredTheme());
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});
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// Listen for toggle button clicks
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toggleButton.addEventListener('click', () => {
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const currentTheme = htmlElement.getAttribute('data-theme') || getPreferredTheme();
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const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
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setTheme(newTheme);
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});
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// Listen for system preference changes
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window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
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if (!localStorage.getItem('theme')) {
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const newTheme = e.matches ? 'dark' : 'light';
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setTheme(newTheme);
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}
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});
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@ -15,3 +15,7 @@
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{{ $jsCopy := resources.Get "js/code-copy-button.js" | minify }}
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<script src="{{ $jsCopy.RelPermalink }}" async></script>
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{{ end }}
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<!-- theme switch -->
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{{ $themeToggle := resources.Get "js/set-theme.js" | minify }}
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<script src="{{ $themeToggle.RelPermalink }}"></script>
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@ -21,6 +21,18 @@
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{{ partialCached "favicon" . }}
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{{ partial "opengraph" . }}
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<!-- load theme preference asap -->
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<script>
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(function() {
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var savedTheme = localStorage.getItem('theme');
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if (savedTheme) {
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document.documentElement.setAttribute('data-theme', savedTheme);
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} else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
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document.documentElement.setAttribute('data-theme', 'light');
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}
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})();
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</script>
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<!-- FontAwesome <https://fontawesome.com/> -->
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.6.0/css/all.min.css" integrity="sha512-Kc323vGBEqzTmouAECnVceyQqyqdsSiqLQISBL29aUW4U/M7pSPA/gEUZQqv1cwx4OnYxTxve5UMg5GT6L4JJg==" crossorigin="anonymous" />
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@ -7,4 +7,8 @@
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{{ end }}
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</ul>
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</nav>
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<button id="themeToggle" class="theme-toggle" aria-label="Toggle light/dark theme" title="Toggle light/dark theme">
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<svg class="theme-toggle__icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
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<path d="M448 256c0-106-86-192-192-192l0 384c106 0 192-86 192-192zM0 256a256 256 0 1 1 512 0A256 256 0 1 1 0 256z"/>
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</svg>
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</button>
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@ -1,9 +1,113 @@
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/* color and font overrides */
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/* define fonts */
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:root {
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--code: var(--base06);
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--font-monospace: 'Berkeley Mono', 'IBM Plex Mono', 'Cascadia Mono', 'Roboto Mono', 'Source Code Pro', 'Fira Mono', 'Courier New', monospace;
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}
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/* dark/light theming */
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:root{
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/* Default dark theme */
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--bg: var(--dark-base00);
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--code: var(--dark-base06);
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--fg: var(--dark-base05);
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--highlight: var(--dark-base0A);
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--hover: var(--dark-base0C);
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--inner-bg: var(--dark-base02);
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--link: var(--dark-base0D);
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--logo-text: var(--dark-base09);
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--logo: var(--dark-base0B);
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--muted: var(--dark-base03);
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--off-bg: var(--dark-base01);
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--off-fg: var(--dark-base04);
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--root-prompt: var(--dark-base08);
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--user-prompt: var(--dark-base07);
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}
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:root[data-theme="light"] {
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--bg: var(--light-base00);
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--off-bg: var(--light-base01);
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--inner-bg: var(--light-base02);
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--muted: var(--light-base03);
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--off-fg: var(--light-base04);
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--fg: var(--light-base05);
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--code: var(--light-base06);
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--user-prompt: var(--light-base07);
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--root-prompt: var(--light-base08);
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--logo-text: var(--light-base09);
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--highlight: var(--light-base0A);
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--logo: var(--light-base0B);
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--hover: var(--light-base0C);
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--link: var(--light-base0D);
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}
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@media (prefers-color-scheme: light) {
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:root:not([data-theme="dark"]) {
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--bg: var(--light-base00);
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--off-bg: var(--light-base01);
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--inner-bg: var(--light-base02);
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--muted: var(--light-base03);
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--off-fg: var(--light-base04);
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--fg: var(--light-base05);
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--code: var(--light-base06);
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--user-prompt: var(--light-base07);
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--root-prompt: var(--light-base08);
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--logo-text: var(--light-base09);
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--highlight: var(--light-base0A);
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--logo: var(--light-base0B);
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--hover: var(--light-base0C);
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--link: var(--light-base0D);
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}
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}
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body {
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transition: background-color 0.3s ease, color 0.3s ease;
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}
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.theme-toggle {
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position: absolute;
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top: 1rem;
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right: 1rem;
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background: none;
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border: none;
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cursor: pointer;
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padding: 0;
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width: 2rem;
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height: 2rem;
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z-index: 1000;
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transition: opacity 0.3s ease;
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}
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.theme-toggle:hover {
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opacity: 0.7;
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}
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.theme-toggle:focus {
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outline: none;
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}
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.theme-toggle:focus-visible {
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outline: 2px solid var(--hover);
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outline-offset: 2px;
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}
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.theme-toggle__icon {
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width: 100%;
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height: 100%;
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transition: transform 0.3s ease, fill 0.3s ease;
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fill: var(--off-fg);
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}
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.theme-toggle:hover .theme-toggle__icon {
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fill: var(--hover);
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}
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[data-theme="dark"] .theme-toggle__icon {
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transform: rotate(180deg);
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}
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.page__nav ul {
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padding-right: 3rem;
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}
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/* load preferred font */
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@font-face {
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font-family: 'Berkeley Mono';
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