Fix Light theme flash during page load #8004
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emmatown
approved these changes
Oct 14, 2022
dcousens
changed the title
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Currently when the user has chosen dark mode, it's saved to localstorage and the we check localstorage and set the dark theme in the website but we do this after hydration. It was causing light theme flash every time the page was refreshed. This also caused light theme flash when switching between md and tsx docs.
The fix: theme should be set in html before hydration and color css variables should inherit the theme before the first paint.
Fixes #8003