feat(leaning):完成NestJS整合TypeORM实现CRUD

- 增加CORE模块中的工具函数
- 增加数据库模块和数据库配置SQLite
- 增加数据分页处理函数
- 文章模块更新提供者、实体、控制器、存储库替换为TypeORM操作
- 数据库模块增加自定义存储库动态模块

src/modules/core/core.module.ts

@@ -1,23 +1,11 @@
-import { DynamicModule, Global, Module } from '@nestjs/common';
+import { DynamicModule, Module } from '@nestjs/common';
 
-import { ConfigService } from './services/config.service';
-
-@Global()
 @Module({})
 export class CoreModule {
-    static forRoot(options: { config: RecordAny }): DynamicModule {
+    static forRoot(): DynamicModule {
         return {
             module: CoreModule,
             global: true,
-            providers: [
-                {
-                    provide: ConfigService,
-                    useFactory() {
-                        return new ConfigService(options.config);
-                    },
-                },
-            ],
-            exports: [ConfigService],
         };
     }
 }

src/modules/core/helpers/index.ts

@@ -0,0 +1 @@
+export * from './utils';

src/modules/core/helpers/utils.ts

@@ -0,0 +1,50 @@
+import deepmerge from 'deepmerge';
+
+import { isNil } from 'lodash';
+
+/**
+ * 用于请求验证中的boolean数据转义
+ * @param value
+ */
+export const toBoolean = (value?: string | boolean): boolean => {
+    if (isNil(value)) return false;
+
+    if (typeof value === 'boolean') return value;
+
+    try {
+        return JSON.parse(value.toLowerCase());
+    } catch (error) {
+        return value as unknown as boolean;
+    }
+};
+
+/**
+ * 用于请求验证中转义null
+ * @param value
+ */
+export const toNull = (value?: string | null): string | null | undefined => {
+    return value === 'null' ? null : value;
+};
+
+/**
+ * 深度合并对象
+ * @param x 初始值
+ * @param y 新值
+ * @param arrayMode 对于数组采取的策略,`replace`为直接替换,`merge`为合并数组
+ */
+export const deepMerge = <T1, T2>(
+    x: Partial<T1>,
+    y: Partial<T2>,
+    arrayMode: 'replace' | 'merge' = 'merge',
+) => {
+    const options: deepmerge.Options = {};
+
+    if (arrayMode === 'replace') {
+        options.arrayMerge = (target, source, _options) => source;
+    } else if (arrayMode === 'merge') {
+        options.arrayMerge = (target, source, _options) =>
+            Array.from(new Set({ ...target, ...source }));
+    }
+
+    return deepmerge(x, y, options) as T2 extends T1 ? T1 : T1 & T2;
+};

src/modules/core/services/config.service.ts

@@ -1,15 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { get } from 'lodash';
-
-@Injectable()
-export class ConfigService {
-    protected config: RecordAny = {};
-
-    constructor(data: RecordAny) {
-        this.config = data;
-    }
-
-    get<T>(key: string, defaultValue?: T): T | undefined {
-        return get(this.config, key, defaultValue);
-    }
-}