clean code

apps/app/src/client/components/InstallerForm.tsx

@@ -32,7 +32,7 @@ const InstallerForm = memo((props: Props): JSX.Element => {
 
   const tWithOpt = useTWithOpt();
 
-  const isSupportedLang = AllLang.includes(i18n.language as Lang);
+  const isSupportedLang = AllLang.includes(i18n.language);
 
   const [isValidUserName, setValidUserName] = useState(true);
   const [isLoading, setIsLoading] = useState(false);

apps/app/src/pages/_app.page.tsx

@@ -1,7 +1,7 @@
 import type { ReactElement, ReactNode } from 'react';
 import React, { useEffect } from 'react';
 
-import type { Locale } from '@growi/core';
+import type { Locale } from '@growi/core/dist/interfaces';
 import type { NextPage } from 'next';
 import { appWithTranslation } from 'next-i18next';
 import type { AppContext, AppProps } from 'next/app';

apps/app/src/pages/_document.page.tsx

@@ -1,7 +1,7 @@
 /* eslint-disable @next/next/google-font-display */
 import React from 'react';
 
-import type { Locale } from '@growi/core';
+import type { Locale } from '@growi/core/dist/interfaces';
 import type { DocumentContext, DocumentInitialProps } from 'next/document';
 import Document, {
   Html, Head, Main, NextScript,