Refactor project-management module and core package loading

Updated the project-management module to export package metadata and lifecycle handlers, enabled JSON module resolution in tsconfig, and marked the package as private. Refactored ObjectQL core to prefer loading packages by name with fallback to directory, improving flexibility in package loading.

Author: hotlong

examples/modules/project-management/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@example/project-management",
   "version": "0.1.0",
+  "private": true,
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [

examples/modules/project-management/src/index.ts

@@ -1,4 +1,27 @@
-import * as path from 'path';
+// 从 package.json 导出当前软件包的基本定义
 
-// 导出包的根目录路径，供 ObjectQL 加载器使用
-export const packageDir = path.resolve(__dirname);
+import pkg from '../package.json';
+
+export default {
+    
+    name: pkg.name,
+    version: pkg.version,
+
+    /**
+     * Service created lifecycle event handler
+     */
+    created() {
+    },
+
+    /**
+     * Service started lifecycle event handler
+     */
+    async started() {
+    },
+
+    /**
+     * Service stopped lifecycle event handler
+     */
+    async stopped() {
+    }
+}

examples/modules/project-management/tsconfig.json

@@ -2,7 +2,8 @@
   "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "./dist",
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "resolveJsonModule": true
   },
   "include": ["src/**/*"]
 }

packages/core/src/index.ts

@@ -24,23 +24,24 @@ export class ObjectQL implements IObjectQL {
             }
         }
         if (config.packages) {
-            for (const dir of config.packages) {
-                this.loadFromDirectory(dir);
+            for (const name of config.packages) {
+                try {
+                    this.loadFromPackage(name);
+                } catch (e) {
+                    this.loadFromDirectory(name);
+                }
             }
         }
     }
 
-    loadFromDirectory(dir: string) {
-        let packageDir = dir;
-        try {
-            // Try to resolve as a module
-            const entryPath = require.resolve(dir, { paths: [process.cwd()] });
-            packageDir = path.dirname(entryPath);
-        } catch (e) {
-            // Ignore error, assume it is a path
-        }
+    loadFromPackage(name: string) {
+        const entryPath = require.resolve(name, { paths: [process.cwd()] });
+        const packageDir = path.dirname(entryPath);
+        this.loadFromDirectory(packageDir);
+    }
 
-        const objects = loadObjectConfigs(packageDir);
+    loadFromDirectory(dir: string) {
+        const objects = loadObjectConfigs(dir);
         for (const obj of Object.values(objects)) {
             this.registerObject(obj);
         }