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Theme initialization code can switch back to light theme. #8531

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Merged
merged 1 commit into from
Feb 6, 2025
Merged

Theme initialization code can switch back to light theme. #8531

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12 changes: 8 additions & 4 deletions static/js/dark-init.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,11 +18,15 @@
// ignore errors e.g. when media query matching is not supported
}

// Detects whether the dartdoc control was set to use dark theme
let dartdocDarkThemeIsSet = window.localStorage.getItem('colorTheme') == 'true';
// Detects whether the control widget was set to use a specific theme
let colorTheme = window.localStorage.getItem('colorTheme');
let lightThemeIsSet = colorTheme == 'false';
let darkThemeIsSet = colorTheme == 'true';

// Switch the top-level style marker to use dark theme instead of the light theme default.
if (mediaPrefersDarkScheme || dartdocDarkThemeIsSet) {
if (lightThemeIsSet) {
// nothing to do here, the default style is the light-theme
} else if (mediaPrefersDarkScheme || darkThemeIsSet) {
// switch to the dark theme
document.body.classList.remove('light-theme');
document.body.classList.add('dark-theme');
}
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