更新 NestJS 示例应用的启动脚本，并添加 OpenAPI 元数据端点

Author: hotlong

examples/apps/nestjs/nest-cli.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": true
+  }
+}

examples/apps/nestjs/package.json

@@ -4,7 +4,8 @@
   "private": true,
   "scripts": {
     "build": "tsc -b",
-    "start": "ts-node src/main.ts",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
     "test": "echo \"No tests specified\" && exit 0"
   },
   "dependencies": {

packages/api/src/swagger/generator.ts

@@ -6,6 +6,30 @@ export function generateOpenApiSpec(objectql: IObjectQL) {
   const paths: any = {};
   const schemas: any = {};
 
+  // 0. Metadata Endpoint
+  paths['/api/_schema'] = {
+      get: {
+          summary: "Get Full Schema Metadata",
+          tags: ["System"],
+          responses: {
+              200: {
+                  description: "Full configuration of all objects",
+                  content: {
+                      'application/json': {
+                          schema: {
+                              type: 'object',
+                              additionalProperties: {
+                                  type: 'object',
+                                  description: 'Object Configuration'
+                              }
+                          }
+                      }
+                  }
+              }
+          }
+      }
+  };
+
   Object.values(configs).forEach((config) => {
     const objectName = config.name;
     const schemaName = objectName;