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Code Issues Actions 3 Packages Projects Releases Wiki Activity

Enable theming via new HTML element attributes (#37477)

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diondiondion
2026-01-15 17:04:27 +01:00
committed by GitHub
parent c09fbeb32f
commit bc2f8a358f
13 changed files with 53 additions and 60 deletions
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9
app/javascript/inline/theme-selection.js
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@@ -1,16 +1,17 @@
(function (element) {
const {userTheme} = element.dataset;
const {colorScheme, contrast} = element.dataset;
const colorSchemeMediaWatcher = window.matchMedia('(prefers-color-scheme: dark)');
const contrastMediaWatcher = window.matchMedia('(prefers-contrast: more)');
const updateColorScheme = () => {
const useDarkMode = userTheme === 'system' ? colorSchemeMediaWatcher.matches : userTheme !== 'mastodon-light';
element.dataset.mode = useDarkMode ? 'dark' : 'light';
const useDarkMode = colorScheme === 'auto' ? colorSchemeMediaWatcher.matches : colorScheme === 'dark';
element.dataset.colorScheme = useDarkMode ? 'dark' : 'light';
};
const updateContrast = () => {
const useHighContrast = userTheme === 'contrast' || contrastMediaWatcher.matches;
const useHighContrast = contrast === 'high' || contrastMediaWatcher.matches;
element.dataset.contrast = useHighContrast ? 'high' : 'default';
}