chore: merge blocksuite source code (#9213)

blocksuite/playground/apps/default/specs-examples/custom-attachment/custom-attachment.ts

@@ -0,0 +1,50 @@
+import {
+  BlockFlavourIdentifier,
+  BlockServiceIdentifier,
+  type ExtensionType,
+  StdIdentifier,
+} from '@blocksuite/block-std';
+import {
+  AttachmentBlockService,
+  EdgelessEditorBlockSpecs,
+  PageEditorBlockSpecs,
+} from '@blocksuite/blocks';
+
+class CustomAttachmentBlockService extends AttachmentBlockService {
+  override mounted(): void {
+    super.mounted();
+    this.maxFileSize = 100 * 1000 * 1000; // 100MB
+  }
+}
+
+export function getCustomAttachmentSpecs() {
+  const pageModeSpecs: ExtensionType[] = [
+    ...PageEditorBlockSpecs,
+    {
+      setup: di => {
+        di.override(
+          BlockServiceIdentifier('affine:attachment'),
+          CustomAttachmentBlockService,
+          [StdIdentifier, BlockFlavourIdentifier('affine:attachment')]
+        );
+      },
+    },
+  ];
+  const edgelessModeSpecs: ExtensionType[] = [
+    ...EdgelessEditorBlockSpecs,
+    {
+      setup: di => {
+        di.override(
+          BlockServiceIdentifier('affine:attachment'),
+          CustomAttachmentBlockService,
+          [StdIdentifier, BlockFlavourIdentifier('affine:attachment')]
+        );
+      },
+    },
+  ];
+
+  return {
+    pageModeSpecs,
+    edgelessModeSpecs,
+  };
+}