Add a dark theme toggle
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
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@ -5,16 +5,34 @@
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--heading-color: #313131;
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--blockquote-color: #7a7a7a;
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--post-time-color: #757575;
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--color-mode: 'light';
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--color-light: var(--background-color);
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--button-icon: var(--icon-moon);
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--button-background: var(--sidebar-color);
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--button-icon-filter: var(--icon-moon-filter);
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--button-color: var(--color-dark);
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--icon-sun-filter: invert(0.61) sepia(0.8) saturate(5) hue-rotate(0deg) brightness(0.92);
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--icon-moon-filter: invert(0.75);
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--color-dark-alpha: rgba(0, 0, 0, 0.1);
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--color-light-alpha: rgba(255, 255, 255, 0.9);
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--icon-sun: url('data:image/svg+xml,<svg version="1.1" xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 24 24"><path d="M18 12c0-0.811-0.161-1.587-0.455-2.295-0.304-0.735-0.75-1.395-1.303-1.948-0.552-0.552-1.213-0.998-1.948-1.303-0.707-0.293-1.483-0.454-2.294-0.454s-1.587 0.161-2.295 0.455c-0.735 0.304-1.395 0.75-1.948 1.302s-0.998 1.213-1.302 1.948c-0.294 0.708-0.455 1.484-0.455 2.295s0.161 1.587 0.455 2.295c0.304 0.735 0.75 1.395 1.303 1.948 0.552 0.552 1.213 0.998 1.948 1.303 0.707 0.293 1.483 0.454 2.294 0.454s1.587-0.161 2.295-0.455c0.735-0.304 1.395-0.75 1.948-1.303s0.998-1.213 1.303-1.948c0.293-0.707 0.454-1.483 0.454-2.294zM16 12c0 0.544-0.108 1.060-0.303 1.529-0.202 0.489-0.5 0.929-0.869 1.299s-0.81 0.667-1.299 0.869c-0.469 0.195-0.985 0.303-1.529 0.303s-1.060-0.108-1.529-0.303c-0.489-0.202-0.929-0.5-1.299-0.869s-0.667-0.81-0.869-1.299c-0.195-0.469-0.303-0.985-0.303-1.529s0.108-1.060 0.303-1.529c0.202-0.489 0.5-0.929 0.869-1.299s0.81-0.667 1.299-0.869c0.469-0.195 0.985-0.303 1.529-0.303s1.060 0.108 1.529 0.303c0.489 0.202 0.929 0.5 1.299 0.869s0.667 0.81 0.869 1.299c0.195 0.469 0.303 0.985 0.303 1.529zM11 1v2c0 0.552 0.448 1 1 1s1-0.448 1-1v-2c0-0.552-0.448-1-1-1s-1 0.448-1 1zM11 21v2c0 0.552 0.448 1 1 1s1-0.448 1-1v-2c0-0.552-0.448-1-1-1s-1 0.448-1 1zM3.513 4.927l1.42 1.42c0.391 0.391 1.024 0.391 1.414 0s0.391-1.024 0-1.414l-1.42-1.42c-0.391-0.391-1.024-0.391-1.414 0s-0.391 1.024 0 1.414zM17.653 19.067l1.42 1.42c0.391 0.391 1.024 0.391 1.414 0s0.391-1.024 0-1.414l-1.42-1.42c-0.391-0.391-1.024-0.391-1.414 0s-0.391 1.024 0 1.414zM1 13h2c0.552 0 1-0.448 1-1s-0.448-1-1-1h-2c-0.552 0-1 0.448-1 1s0.448 1 1 1zM21 13h2c0.552 0 1-0.448 1-1s-0.448-1-1-1h-2c-0.552 0-1 0.448-1 1s0.448 1 1 1zM4.927 20.487l1.42-1.42c0.391-0.391 0.391-1.024 0-1.414s-1.024-0.391-1.414 0l-1.42 1.42c-0.391 0.391-0.391 1.024 0 1.414s1.024 0.391 1.414 0zM19.067 6.347l1.42-1.42c0.391-0.391 0.391-1.024 0-1.414s-1.024-0.391-1.414 0l-1.42 1.42c-0.391 0.391-0.391 1.024 0 1.414s1.024 0.391 1.414 0z"></path></svg>');
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--icon-moon: url('data:image/svg+xml, <svg version="1.1" xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 24 24"> <path d="M21.996 12.882c0.022-0.233-0.038-0.476-0.188-0.681-0.325-0.446-0.951-0.544-1.397-0.219-0.95 0.693-2.059 1.086-3.188 1.162-0.696 0.047-1.399-0.027-2.077-0.226-0.656-0.192-1.29-0.501-1.874-0.932-0.655-0.484-1.181-1.074-1.575-1.729-0.409-0.68-0.676-1.432-0.792-2.206s-0.082-1.571 0.11-2.342c0.184-0.741 0.514-1.46 0.999-2.115 0.142-0.191 0.216-0.435 0.191-0.691-0.053-0.55-0.542-0.952-1.092-0.898-1.117 0.109-2.186 0.399-3.172 0.843-1.005 0.452-1.925 1.065-2.723 1.808-0.883 0.82-1.618 1.801-2.159 2.901-0.523 1.064-0.863 2.238-0.978 3.485-0.125 1.347 0.024 2.658 0.402 3.878 0.392 1.266 1.031 2.431 1.863 3.433s1.86 1.843 3.033 2.461c1.13 0.595 2.392 0.982 3.739 1.106s2.659-0.025 3.878-0.403c1.266-0.392 2.431-1.031 3.433-1.863s1.843-1.86 2.461-3.033c0.595-1.13 0.982-2.392 1.106-3.739zM19.567 14.674c-0.126 0.351-0.276 0.689-0.447 1.014-0.493 0.937-1.166 1.76-1.969 2.427s-1.735 1.178-2.747 1.491c-0.973 0.302-2.021 0.421-3.102 0.321s-2.089-0.41-2.99-0.884c-0.937-0.493-1.76-1.166-2.427-1.969s-1.178-1.735-1.491-2.747c-0.302-0.973-0.421-2.021-0.321-3.102 0.092-1 0.365-1.938 0.782-2.786 0.43-0.878 1.018-1.661 1.725-2.319 0.64-0.595 1.377-1.086 2.183-1.449 0.179-0.081 0.362-0.155 0.548-0.223-0.092 0.257-0.171 0.516-0.236 0.778-0.256 1.029-0.302 2.091-0.147 3.121s0.51 2.032 1.056 2.941c0.527 0.875 1.23 1.663 2.1 2.306 0.775 0.573 1.622 0.986 2.5 1.243 0.907 0.266 1.846 0.364 2.772 0.302 0.752-0.050 1.496-0.207 2.21-0.465z"></path> </svg>');
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}
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@media (prefers-color-scheme: dark) {
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:root {
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:root:not([data-user-color-scheme]) {
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--sidebar-color: #121212;
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--background-color: #202020;
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--text-color: #f0f0f0;
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--heading-color: white;
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--blockquote-color: #bababa;
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--post-time-color: #bababa;
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--color-mode: 'dark';
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--button-icon: var(--icon-sun);
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--button-icon-filter: var(--icon-sun-filter);
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--button-background: var(--sidebar-color);
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--button-color: var(--color-dark);
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--border-color: var(--color-light-alpha);
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}
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.link {
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@ -23,13 +41,19 @@
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}
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}
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[data-theme="dark"] {
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[data-user-color-scheme='dark'] {
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--sidebar-color: #121212;
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--background-color: #202020;
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--text-color: #f0f0f0;
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--heading-color: white;
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--blockquote-color: #bababa;
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--post-time-color: #bababa;
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--color-mode: 'dark';
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--button-icon: var(--icon-sun);
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--button-icon-filter: var(--icon-sun-filter);
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--button-background: var(--sidebar-color);
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--button-color: var(--color-dark);
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--border-color: var(--color-light-alpha);
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}
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div.image-caption {
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@ -69,3 +93,44 @@ div.tag-container {
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.heading-anchor {
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color: inherit;
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}
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.visually-hidden {
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display: block;
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height: 1px;
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width: 1px;
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overflow: hidden;
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clip: rect(1px 1px 1px 1px);
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clip: rect(1px, 1px, 1px, 1px);
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clip-path: inset(1px);
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white-space: nowrap;
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position: absolute;
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}
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*:focus {
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outline: none;
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}
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.user-toggle {
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margin: 2rem auto 0 auto;
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max-width: 20rem;
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text-align: center;
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}
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.toggle-button {
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display: inline-flex;
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background: var(--button-background);
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color: var(--button-color);
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border: none;
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font: inherit;
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font-size: 1.5rem;
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padding: 0.5rem 1rem;
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}
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.toggle-button__icon {
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background: var(--button-icon);
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width: 1.2em;
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height: 1.2em;
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margin: 0 0 0 0em;
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filter: var(--button-icon-filter);
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transform: translateY(1px); /* Optical adjustment */
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}
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@ -2,13 +2,11 @@
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<html xmlns="http://www.w3.org/1999/xhtml"{{with .Site.LanguageCode}} xml:lang="{{.}}" lang="{{.}}"{{end}}>
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<head>
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<script>
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const currentTheme = localStorage.getItem("theme")
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? localStorage.getItem("theme")
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: null;
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if (currentTheme) {
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document.documentElement.setAttribute("data-theme", currentTheme);
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}
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const STORAGE_KEY = 'user-color-scheme';
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let currentSetting = localStorage.getItem(STORAGE_KEY);
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if (currentSetting) {
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document.documentElement.setAttribute('data-user-color-scheme', currentSetting);
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}
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</script>
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<link href="https://gmpg.org/xfn/11" rel="profile">
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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@ -0,0 +1,74 @@
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<aside class="sidebar">
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<div class="container sidebar-sticky">
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<div class="sidebar-about">
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<a href="{{ .Site.BaseURL }}"><h1>{{ .Site.Title }}</h1></a>
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<p class="lead">
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{{ with .Site.Params.description }} {{.}} {{ else }}An elegant open source and mobile first theme for <a href="http://hugo.spf13.com">hugo</a> made by <a href="http://twitter.com/mdo">@mdo</a>. Originally made for Jekyll.{{end}}
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</p>
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</div>
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<nav>
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<ul class="sidebar-nav">
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<li class="sidebar-nav-item"><a href="{{ .Site.BaseURL }}">Home</a> </li>
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{{ range .Site.Menus.main -}}
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<li class="sidebar-nav-item"><a href="{{.URL}}"> {{ .Name }} </a></li>
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{{- end }}
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</ul>
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</nav>
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<div class="user-toggle">
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<button class="toggle-button js-mode-toggle">
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<span class="toggle-button__icon" aria-hidden="true"></span>
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</button>
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</div>
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<p>{{ with .Site.Params.copyright }}{{.}}{{ else }}© {{ now.Format "2006"}}. All rights reserved. {{end}}</p>
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</div>
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<script>
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const COLOR_MODE_KEY = '--color-mode';
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const modeToggleButton = document.querySelector('.js-mode-toggle');
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const modeToggleText = document.querySelector('.js-mode-toggle-text');
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const modeStatusElement = document.querySelector('.js-mode-status');
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const getCSSCustomProp = propKey => {
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let response = getComputedStyle(document.documentElement).getPropertyValue(propKey);
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if (response.length) {
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response = response.replace(/\"/g, '').trim();
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}
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return response;
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};
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const applySetting = passedSetting => {
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let currentSetting = passedSetting || localStorage.getItem(STORAGE_KEY);
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if (currentSetting) {
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document.documentElement.setAttribute('data-user-color-scheme', currentSetting);
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setButtonLabelAndStatus(currentSetting);
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} else {
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setButtonLabelAndStatus(getCSSCustomProp(COLOR_MODE_KEY));
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}
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};
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const setButtonLabelAndStatus = currentSetting => {
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modeToggleText.innerText = `Enable ${currentSetting === 'dark' ? 'light' : 'dark'} mode`;
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modeStatusElement.innerText = `Color mode is now "${currentSetting}"`;
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};
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const toggleSetting = () => {
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let currentSetting = localStorage.getItem(STORAGE_KEY);
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switch (currentSetting) {
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case null:
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currentSetting = getCSSCustomProp(COLOR_MODE_KEY) === 'dark' ? 'light' : 'dark';
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break;
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case 'light':
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currentSetting = 'dark';
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break;
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case 'dark':
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currentSetting = 'light';
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break;
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}
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localStorage.setItem(STORAGE_KEY, currentSetting);
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return currentSetting;
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};
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modeToggleButton.addEventListener('click', evt => {
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evt.preventDefault();
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applySetting(toggleSetting());
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});
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applySetting();
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</script>
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</aside>
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