feat: add cc-server-db

packages/cc-server-db/.gitignore

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+/node_modules
+/dist
+/package-lock.json
+/yarn.lock

packages/cc-server-db/README.md

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+# `cc-server-db`
+
+> TODO: description
+
+## Usage
+
+```
+const ccServerDb = require('cc-server-db');
+
+// TODO: DEMONSTRATE API
+```

packages/cc-server-db/package.json

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+{
+    "name": "cc-server-db",
+    "version": "0.0.2",
+    "description": "Now I’m the model of a modern major general / The venerated Virginian veteran whose men are all / Lining up, to put me up on a pedestal / Writin’ letters to relatives / Embellishin’ my elegance and eloquence / But the elephant is in the room / The truth is in ya face when ya hear the British cannons go / BOOM",
+    "keywords": [],
+    "author": "MiaoWoo <admin@yumc.pw>",
+    "license": "ISC",
+    "main": "dist/index.js",
+    "publishConfig": {
+        "registry": "https://repo.yumc.pw/repository/npm-hosted/"
+    },
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/502647092/cc-server-parent.git"
+    },
+    "scripts": {
+        "build": "npx tsc",
+        "test": "echo \"Error: run tests from root\" && exit 1"
+    },
+    "bugs": {
+        "url": "https://github.com/502647092/cc-server-parent/issues"
+    },
+    "homepage": "https://github.com/502647092/cc-server-parent#readme",
+    "dependencies": {
+        "typescript": "^3.5.1"
+    }
+}

packages/cc-server-db/src/index.ts

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+export const DBClient = Symbol.for('DBClient')
+export interface DBClient<T = any> {
+    find(collection: string, filter: object): Promise<T[]>;
+    findOne(collection: string, filter: Object): Promise<T>;
+    findOneById(collection: string, objectId: string): Promise<T>;
+    insertOne(collection: string, model: T): Promise<T>;
+    updateOne(collection: string, where: any, model: any): Promise<boolean>;
+    updateById(collection: string, objectId: string, model: any): Promise<boolean>;
+    deleteOne(collection: string, where: any): Promise<boolean>;
+    deleteById(collection: string, objectId: string): Promise<boolean>;
+}

packages/cc-server-db/tsconfig.json

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+{
+    "extends": "../../tsconfig.json",
+    "compilerOptions": {
+        "baseUrl": "src",
+        "outDir": "dist"
+    }
+}