Stop styled-components from leaking transient props into the DOM
Use ThemeProvider for design tokens and shouldForwardProp to keep transient props out of rendered HTML.
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Use ThemeProvider for design tokens and shouldForwardProp to keep transient props out of rendered HTML.
A synchronous head script plus a memoized ThemeProvider setup stops the flash of wrong colors when reloading a Material UI app in dark or light mode.
The global CSS registry in styled-components guarantees that identical style definitions share a single <style> tag, preventing duplication even when components render multiple times. This behavior is central to both the ThemeProvider inject and the withTheme higher‑order component, and it is further refined by the useTheme hook introduced in v5. A pre