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Add theme toggle back and default to 'auto'

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This commit is contained in:
Dave Gallant
2024-01-12 16:55:10 -05:00
parent 24ad44a9ec
commit b913e9b4a3
5 changed files with 69 additions and 22 deletions
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21
LICENSE Normal file
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@@ -0,0 +1,21 @@
MIT License
Copyright (c) 2024 Dave Gallant
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

5
layouts/partials/comments/utterances.html
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@@ -7,8 +7,9 @@
<script> <script>
// load comments // load comments
var getTheme = var getTheme =
window.matchMedia && (localStorage && localStorage.getItem("theme")) ||
window.matchMedia("(prefers-color-scheme: light)").matches (window.matchMedia &&
window.matchMedia("(prefers-color-scheme: light)").matches)
? "light" ? "light"
: "dark"; : "dark";
getTheme = getTheme == null ? "dark" : getTheme; getTheme = getTheme == null ? "dark" : getTheme;

10
themes/hugo-theme-gruvbox/assets/css/critical/15-colors.css
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@@ -6,8 +6,7 @@
{{ $backgroundColor = "bg0_h" }} {{ $backgroundColor = "bg0_h" }}
{{ end }} {{ end }}
@media (prefers-color-scheme: light) { :root[data-theme="light"] {
:root {
--bg: var(--{{ $backgroundColor }}); --bg: var(--{{ $backgroundColor }});
--bg0: #fbf1c7; --bg0: #fbf1c7;
--bg0_h: #f9f5d7; --bg0_h: #f9f5d7;
@@ -42,11 +41,9 @@
& .light--hidden { & .light--hidden {
display: none; display: none;
} }
}
} }
@media (prefers-color-scheme: dark) { :root[data-theme="dark"] {
:root {
--bg: var(--{{ $backgroundColor }}); --bg: var(--{{ $backgroundColor }});
--bg0: #282828; --bg0: #282828;
--bg0_h: #1d2021; --bg0_h: #1d2021;
@@ -83,11 +80,8 @@
} }
} }
}
:root { :root {
{{ $themeColor := .Param "themeColor" | default "blue" }} {{ $themeColor := .Param "themeColor" | default "blue" }}
--primary: var(--{{ $themeColor }}1); --primary: var(--{{ $themeColor }}1);
--primary-alt: var(--{{ $themeColor }}2); --primary-alt: var(--{{ $themeColor }}2);
} }

48
themes/hugo-theme-gruvbox/assets/js/dark-mode.js
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@@ -1,11 +1,12 @@
function getTheme() { function getTheme() {
if (window.matchMedia) { if (localStorage && localStorage.getItem("theme")) {
// OS preference return localStorage.getItem("theme");
return window.matchMedia("(prefers-color-scheme: light)").matches
? "light"
: "dark";
} }
// Undefined return "auto";
}
function saveTheme(theme) {
localStorage.setItem("theme", theme);
} }
function setPrismTheme(theme) { function setPrismTheme(theme) {
@@ -26,16 +27,39 @@ function setCommentsTheme(theme) {
} }
} }
// Initial load function setTheme(theme) {
const theme = getTheme(); if (theme == "auto") {
if (theme) { theme = window.matchMedia("(prefers-color-scheme: light)").matches
? "light"
: "dark";
}
document.documentElement.setAttribute("data-theme", theme);
setPrismTheme(theme); setPrismTheme(theme);
setCommentsTheme(theme);
} }
function toggleTheme(e) {
const theme = e.currentTarget.classList.contains("light--hidden")
? "light"
: "dark";
setTheme(theme);
saveTheme(theme);
}
// Initial load
setTheme(getTheme());
window window
.matchMedia("(prefers-color-scheme: dark)") .matchMedia("(prefers-color-scheme: dark)")
.addEventListener("change", (event) => { .addEventListener("change", (event) => {
const theme = event.matches ? "dark" : "light"; setTheme(getTheme());
setPrismTheme(theme);
setCommentsTheme(theme);
}); });
// This script is inlined in the <head> of the document, so we have to wait
// for the DOM content before can add event listeners to the toggle buttons
document.addEventListener("DOMContentLoaded", function () {
const toggleButtons = document.querySelectorAll(".theme__toggle");
toggleButtons.forEach((btn) => {
btn.addEventListener("click", toggleTheme);
});
});

7
themes/hugo-theme-gruvbox/layouts/partials/header.html
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@@ -52,4 +52,11 @@
</div> </div>
</nav> </nav>
<button class="theme__toggle light--hidden" aria-label="Toggle light mode">
{{ partial "icons/tabler-icon.html" "sun" }}
</button>
<button class="theme__toggle dark--hidden" aria-label="Toggle dark mode">
{{ partial "icons/tabler-icon.html" "moon" }}
</button>
</header> </header>