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docs/pages/_document.tsx
Peter Bengtsson 5d83a12340 set theme data- attributes on the body (#30054)
* set theme data- attributes on the body

* Color mode back on body tag

* unconflicted

Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>
2022-08-18 20:13:28 +00:00

51 lines
1.3 KiB
TypeScript

import Document, { DocumentContext, Html, Head, Main, NextScript } from 'next/document'
import { ServerStyleSheet } from 'styled-components'
import { defaultCSSTheme } from 'components/hooks/useTheme'
export default class MyDocument extends Document {
static async getInitialProps(ctx: DocumentContext) {
const sheet = new ServerStyleSheet()
const originalRenderPage = ctx.renderPage
try {
ctx.renderPage = () =>
originalRenderPage({
enhanceApp: (App) => (props) => sheet.collectStyles(<App {...props} />),
})
const initialProps = await Document.getInitialProps(ctx)
return {
...initialProps,
styles: (
<>
{initialProps.styles}
{sheet.getStyleElement()}
</>
),
}
} finally {
sheet.seal()
}
}
render() {
return (
<Html>
<Head />
<body
// These values are always the SSR rendereding defaults.
// The will get updated later in a useEffect hook, in the client,
// in the MyApp component.
data-color-mode={defaultCSSTheme.colorMode}
data-light-theme={defaultCSSTheme.lightTheme}
data-dark-theme={defaultCSSTheme.darkTheme}
>
<Main />
<NextScript />
</body>
</Html>
)
}
}