add dedupe action

packages/core/package.json

@@ -28,6 +28,7 @@
   "version": "1.0.0",
   "dependencies": {
     "eventemitter3": "^5.0.1",
+    "fast-deep-equal": "^3.1.3",
     "knex": "^3.1.0",
     "knex-pglite": "^0.12.0",
     "pg": "^8.16.3",

packages/core/src/services/documents/documents.ts

@@ -1,8 +1,15 @@
 import { EventEmitter } from 'eventemitter3';
+import deepEqual from 'fast-deep-equal';
 
 import { DatabaseService, tableNames, type TableRow } from '../database/database.ts';
 
-import type { Document, DocumentSearchOptions, DocumentUpsert, DocumentUpsertEvent } from './documents.schemas.ts';
+import {
+  documentUpsertEventSchema,
+  type Document,
+  type DocumentSearchOptions,
+  type DocumentUpsert,
+  type DocumentUpsertEvent,
+} from './documents.schemas.ts';
 import { buildMetaCondition } from './documents.query.ts';
 
 import type { Services } from '#root/utils/services.ts';
@@ -34,6 +41,11 @@ class DocumentsService extends EventEmitter<DocumentEvents> {
         updatedAt: new Date().toISOString(),
         deletedAt: null,
       };
+      const currentUpsert = documentUpsertEventSchema.parse(current);
+      const toInsertUpsert = documentUpsertEventSchema.parse(toInsert);
+      if (deepEqual(currentUpsert, toInsertUpsert)) {
+        return;
+      }
       await db(tableNames.documents).update(toInsert).where({
         uri: document.uri,
         type: document.type,