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common/resources/client/seo/static-page-title.tsx

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+import {Helmet} from './helmet';
+import {ReactElement} from 'react';
+import {MessageDescriptor} from '../i18n/message-descriptor';
+import {useSettings} from '../core/settings/use-settings';
+
+type TitleChild =
+  | string
+  | null
+  | ReactElement<MessageDescriptor>
+  | MessageDescriptor;
+export type TitleMetaTagChildren = TitleChild | TitleChild[];
+
+interface StaticPageTitleProps {
+  children: TitleMetaTagChildren;
+}
+export function StaticPageTitle({children}: StaticPageTitleProps) {
+  const {
+    branding: {site_name},
+  } = useSettings();
+  return (
+    <Helmet>
+      {children ? (
+        // @ts-ignore
+        <title>
+          {children as any} - {site_name}
+        </title>
+      ) : undefined}
+    </Helmet>
+  );
+}