absolutely massive typescript porting time

packages/roleypoly-ui/pages/_document.tsx

@@ -0,0 +1,24 @@
+import Document from 'next/document'
+import { ServerStyleSheet } from 'styled-components'
+
+export default class MyDocument extends Document {
+  static async getInitialProps (ctx) {
+    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()
+    }
+  }
+}