Init Nest-Neo4j

Nest/src/app.service.ts

@@ -0,0 +1,21 @@
+import { Injectable } from '@nestjs/common';
+import { Node } from 'neo4j-driver';
+import { Neo4jService } from 'src/neo4j/neo4j.service';
+
+export type User = Node;
+
+@Injectable()
+export class AppService {
+  constructor(private readonly neo4jService: Neo4jService) {}
+
+  async getHello(): Promise<string> {
+    const result = await this.neo4jService.read(
+      `MATCH (n) RETURN count(n) AS count`,
+      {},
+    );
+
+    const count = result.records[0].get('count');
+
+    return `${count} nodes in the database`;
+  }
+}