fix: package affine/env modules (#2707)

packages/env/src/blocksuite/index.ts

@@ -0,0 +1,57 @@
+import markdownTemplate from '@affine/templates/AFFiNE-beta-0.5.4.md';
+import { ContentParser } from '@blocksuite/blocks/content-parser';
+import type { Page } from '@blocksuite/store';
+
+declare global {
+  interface Window {
+    lastImportedMarkdown: string;
+  }
+}
+
+const markdown = markdownTemplate as unknown as string;
+
+const demoTitle = markdown
+  .split('\n')
+  .splice(0, 1)
+  .join('')
+  .replaceAll('#', '')
+  .trim();
+
+const demoText = markdown.split('\n').slice(1).join('\n');
+
+export function initPage(page: Page): void {
+  console.debug('initEmptyPage', page.id);
+  // Add page block and surface block at root level
+  const isFirstPage = page.meta.init === true;
+  if (isFirstPage) {
+    page.workspace.setPageMeta(page.id, {
+      init: false,
+    });
+    _initPageWithDemoMarkdown(page);
+  } else {
+    _initEmptyPage(page);
+  }
+  page.resetHistory();
+}
+
+export function _initEmptyPage(page: Page, title?: string): void {
+  const pageBlockId = page.addBlock('affine:page', {
+    title: new page.Text(title ?? ''),
+  });
+  page.addBlock('affine:surface', {}, pageBlockId);
+  const frameId = page.addBlock('affine:frame', {}, pageBlockId);
+  page.addBlock('affine:paragraph', {}, frameId);
+}
+
+export function _initPageWithDemoMarkdown(page: Page): void {
+  console.debug('initPageWithDefaultMarkdown', page.id);
+  const pageBlockId = page.addBlock('affine:page', {
+    title: new page.Text(demoTitle),
+  });
+  page.addBlock('affine:surface', {}, pageBlockId);
+  const frameId = page.addBlock('affine:frame', {}, pageBlockId);
+  page.addBlock('affine:paragraph', {}, frameId);
+  const contentParser = new ContentParser(page);
+  contentParser.importMarkdown(demoText, frameId);
+  page.workspace.setPageMeta(page.id, { title: demoTitle });
+}