feat(editor): add inline packages (#11048)

blocksuite/affine/inlines/reference/src/adapters/plain-text/inline-delta.ts

@@ -0,0 +1,33 @@
+import {
+  AdapterTextUtils,
+  InlineDeltaToPlainTextAdapterExtension,
+  type TextBuffer,
+} from '@blocksuite/affine-shared/adapters';
+
+export const referenceDeltaMarkdownAdapterMatch =
+  InlineDeltaToPlainTextAdapterExtension({
+    name: 'reference',
+    match: delta => !!delta.attributes?.reference,
+    toAST: (delta, context) => {
+      const node: TextBuffer = {
+        content: delta.insert,
+      };
+      const reference = delta.attributes?.reference;
+      if (!reference) {
+        return node;
+      }
+
+      const { configs } = context;
+      const title = configs.get(`title:${reference.pageId}`) ?? '';
+      const url = AdapterTextUtils.generateDocUrl(
+        configs.get('docLinkBaseUrl') ?? '',
+        String(reference.pageId),
+        reference.params ?? Object.create(null)
+      );
+      const content = `${title ? `${title}: ` : ''}${url}`;
+
+      return {
+        content,
+      };
+    },
+  });