refactor(core): split web entry from core (#6082)

This pr is trying to split `web` and `electron` entries from `core`. It allows more platform-related optimization to be addressed in each entry.
We should remove all browser/electron only codes from `core` eventually, this is the very first step for that.

packages/frontend/electron/renderer/app.tsx

@@ -0,0 +1,90 @@
+import '@affine/component/theme/global.css';
+import '@affine/component/theme/theme.css';
+
+import { AffineContext } from '@affine/component/context';
+import { GlobalLoading } from '@affine/component/global-loading';
+import { NotificationCenter } from '@affine/component/notification-center';
+import { WorkspaceFallback } from '@affine/core/components/workspace';
+import { GlobalScopeProvider } from '@affine/core/modules/infra-web/global-scope';
+import { CloudSessionProvider } from '@affine/core/providers/session-provider';
+import { router } from '@affine/core/router';
+import {
+  performanceLogger,
+  performanceRenderLogger,
+} from '@affine/core/shared';
+import createEmotionCache from '@affine/core/utils/create-emotion-cache';
+import { configureWebServices } from '@affine/core/web';
+import { createI18n, setUpLanguage } from '@affine/i18n';
+import { CacheProvider } from '@emotion/react';
+import { getCurrentStore } from '@toeverything/infra/atom';
+import { ServiceCollection } from '@toeverything/infra/di';
+import type { PropsWithChildren, ReactElement } from 'react';
+import { lazy, Suspense } from 'react';
+import { RouterProvider } from 'react-router-dom';
+
+const performanceI18nLogger = performanceLogger.namespace('i18n');
+const cache = createEmotionCache();
+
+const DevTools = lazy(() =>
+  import('jotai-devtools').then(m => ({ default: m.DevTools }))
+);
+
+const DebugProvider = ({ children }: PropsWithChildren): ReactElement => {
+  return (
+    <>
+      <Suspense>{process.env.DEBUG_JOTAI === 'true' && <DevTools />}</Suspense>
+      {children}
+    </>
+  );
+};
+
+const future = {
+  v7_startTransition: true,
+} as const;
+
+async function loadLanguage() {
+  performanceI18nLogger.info('start');
+
+  const i18n = createI18n();
+  document.documentElement.lang = i18n.language;
+
+  performanceI18nLogger.info('set up');
+  await setUpLanguage(i18n);
+  performanceI18nLogger.info('done');
+}
+
+let languageLoadingPromise: Promise<void> | null = null;
+
+const services = new ServiceCollection();
+configureWebServices(services);
+const serviceProvider = services.provider();
+
+export function App() {
+  performanceRenderLogger.info('App');
+
+  if (!languageLoadingPromise) {
+    languageLoadingPromise = loadLanguage().catch(console.error);
+  }
+
+  return (
+    <Suspense>
+      <GlobalScopeProvider provider={serviceProvider}>
+        <CacheProvider value={cache}>
+          <AffineContext store={getCurrentStore()}>
+            <CloudSessionProvider>
+              <DebugProvider>
+                <GlobalLoading />
+                <NotificationCenter />
+                <RouterProvider
+                  fallbackElement={<WorkspaceFallback key="RouterFallback" />}
+                  router={router}
+                  future={future}
+                />
+              </DebugProvider>
+            </CloudSessionProvider>
+          </AffineContext>
+        </CacheProvider>
+      </GlobalScopeProvider>
+    </Suspense>
+  );
+}