fix(nextjs): Formatting for pages (#28734)

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## Current Behavior
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## Expected Behavior
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## Related Issue(s)
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Fixes #28561

packages/next/src/generators/application/files/app/page.tsx__tmpl__

@@ -1,19 +1,16 @@
-<% if (style !== 'none') { %>
-  <% if (styledModule && (styledModule === 'styled-jsx' || styledModule === 'styled-components'))  {%>
-  'use client';
-  <% }%> 
-  <% if (styledModule && styledModule !== 'styled-jsx') {
-    var wrapper = 'StyledPage';
-  %>import styled from '<%= styledModule %>';<% } else {
-    var wrapper = 'div';
-  %>
-    <%- (style !== 'styled-jsx' && style !== 'tailwind') ? `import styles from './page.module.${style}';` : '' %>
-  <% }
-  %>
+<%_ if (style !== 'none') { _%>
+  <%_ if (styledModule && (styledModule === 'styled-jsx' || styledModule === 'styled-components'))  { _%>
+'use client';
+  <%_ } _%> 
+  <%_ if (styledModule && styledModule !== 'styled-jsx') { var wrapper = 'StyledPage'; _%>
+import styled from '<%= styledModule %>';
+<%_ } else { var wrapper = 'div'; _%>
+<%- (style !== 'styled-jsx' && style !== 'tailwind') ? `import styles from './page.module.${style}';` : '' %>
+  <%_ } _%>
 
-  <% if (styledModule && styledModule !== 'styled-jsx') { %>
-  const StyledPage = styled.div`<%- pageStyleContent %>`;
-  <% }%>
+  <%_ if (styledModule && styledModule !== 'styled-jsx') { _%>
+const StyledPage = styled.div`<%- pageStyleContent %>`;
+  <%_ } _%>
 <% } %>
 export default function Index() {
   /*

packages/next/src/generators/application/files/common/specs/__fileName__.spec.tsx__tmpl__

@@ -1,14 +1,14 @@
 import React from 'react';
 import { render } from '@testing-library/react';
-<% if (src && !appDir) { %>
+<%_ if (src && !appDir) { _%>
 import Index from '../src/pages/index';
-<% } else if (!appDir) { %>
+<%_ } else if (!appDir) { _%>
 import Index from '../pages/index';
-<% } else if (appDir && src) {%>
+<%_ } else if (appDir && src) { _%>
 import Page from '../src/app/page';
-<% } else { %>
+<%_ } else { _%>
 import Page from '../app/page';
-<% } %>
+<%_ } _%>
 
 describe(<%- appDir ? `'Page'` : `'Index'` %>, () => {
   it('should render successfully', () => {

packages/next/src/generators/application/files/pages/__fileName__.tsx__tmpl__

@@ -1,17 +1,14 @@
-<% if (style !== 'none') { %>
-  <% if (styledModule && styledModule !== 'styled-jsx') {
-    var wrapper = 'StyledPage';
-  %>import styled from '<%= styledModule %>';<% } else {
-    var wrapper = 'div';
-  %>
-    <%- (style !== 'styled-jsx' && style !== 'tailwind') ? `import styles from './${fileName}.module.${style}';` : '' %>
-  <% }
-  %>
+<%_ if (style !== 'none') { _%>
+  <%_ if (styledModule && styledModule !== 'styled-jsx') { var wrapper = 'StyledPage'; _%>
+import styled from '<%= styledModule %>';
+  <% } else { var wrapper = 'div';%>
+<%- (style !== 'styled-jsx' && style !== 'tailwind') ? `import styles from './${fileName}.module.${style}';` : '' %>
+  <%_ } _%>
 
-  <% if (styledModule && styledModule !== 'styled-jsx') { %>
-  const StyledPage = styled.div`<%- pageStyleContent %>`;
-  <% }%>
-<% } %>
+  <%_ if (styledModule && styledModule !== 'styled-jsx') { _%>
+const StyledPage = styled.div`<%- pageStyleContent %>`;
+  <%_ } _%>
+<%_ } _%>
 
 export function Index() {
   /*

packages/react/src/generators/application/files/base-rspack/src/main.tsx__tmpl__

@@ -1,9 +1,10 @@
 <%_ if (strict) { _%>import { StrictMode } from 'react';<%_ } _%>
 import * as ReactDOM from 'react-dom/client';
 <%_ if (routing) { _%>import { BrowserRouter } from 'react-router-dom';<%_ } _%>
-
 import App from './app/<%= fileName %>';
-import './styles.<%= style %>'
+<%_ if(hasStyleFile) { _%>
+import './styles.<%= style %>' 
+<%_ } _%>
 
 const root = ReactDOM.createRoot(document.getElementById('root') as HTMLElement);
 <%_ if(strict && !routing) { _%>

packages/react/src/generators/application/lib/create-application-files.ts

@@ -40,6 +40,7 @@ export async function createApplicationFiles(
   } else {
     styleSolutionSpecificAppFiles = '../files/style-css-module';
   }
+  const hasStyleFile = ['scss', 'css', 'less'].includes(options.style);
 
   const onBoardingStatus = await createNxCloudOnboardingURLForWelcomeApp(
     host,
@@ -64,6 +65,7 @@ export async function createApplicationFiles(
     appTests,
     inSourceVitestTests: getInSourceVitestTestsTemplate(appTests),
     style: options.style === 'tailwind' ? 'css' : options.style,
+    hasStyleFile,
   };
 
   if (options.bundler === 'vite') {