feat: inject service

Author: MessiasLima

.eslintrc.json

@@ -18,6 +18,7 @@
         "indent": ["error", 4],
         "linebreak-style": ["error", "unix"],
         "quotes": ["error", "single"],
-        "semi": ["error", "always"]
+        "semi": ["error", "always"],
+        "@typescript-eslint/explicit-function-return-type": ["error"]
     }
 }

README.md

@@ -1,13 +1,21 @@
 # node-packagekit
+
 node-packagekit is a library to integrate [packageKit](https://www.freedesktop.org/software/PackageKit/) with node applications.
+
 ## Installation
+
 ### Using NPM
+
 ```shell
 $ npm install packagekit
 ```
+
 ### Using yarn
-```shell 
+
+```shell
 $ yarn add packagekit
 ```
+
 ## How to use it
-(work in progress)
+
+(work in progress)

package.json

@@ -9,15 +9,19 @@
     "main": "dist/index.js",
     "types": "dist/index.d.ts",
     "scripts": {
+        "prebuild": "rimraf dist",
         "build": "tsc",
         "lint": "eslint src/**/*.ts --fix",
         "format": "prettier --write .",
         "test": "jest",
         "test:coverage": "jest --coverage",
-        "test:watch": "jest --watch"
+        "test:watch": "jest --watch",
+        "start": "ts-node src/"
     },
     "dependencies": {
-        "dbus-native": "^0.4.0"
+        "dbus-native": "^0.4.0",
+        "reflect-metadata": "^0.1.13",
+        "tsyringe": "^4.6.0"
     },
     "devDependencies": {
         "@types/jest": "^27.5.0",
@@ -29,7 +33,9 @@
         "eslint-plugin-import": "^2.25.2",
         "jest": "^28.1.0",
         "prettier": "^2.6.2",
+        "rimraf": "^3.0.2",
         "ts-jest": "^28.0.2",
+        "ts-node": "^10.7.0",
         "typescript": "^4.6.4"
     }
 }

src/di/service.registerer.ts

@@ -0,0 +1,12 @@
+import { container } from 'tsyringe';
+const dbus = require('dbus-native');
+import { Service } from '../types/service';
+
+export const DI_TOKEN_SERVICE = 'service';
+
+container.register<Service>(DI_TOKEN_SERVICE, {
+    useFactory: () => {
+        const bus = dbus.systemBus();
+        return bus.getService('org.freedesktop.PackageKit');
+    },
+});

src/index.spec.ts

@@ -1 +1,14 @@
-export const a: any = '1';
+import 'reflect-metadata';
+import { container } from 'tsyringe';
+import { InterfaceProvider } from './interface.provider';
+
+const interfaceProvider = container.resolve(InterfaceProvider);
+
+interfaceProvider
+    .getPackageKitInterface()
+    .then((packageKit) => {
+        console.log('Success', packageKit);
+    })
+    .catch((err) => {
+        console.error(err);
+    });

src/index.ts

@@ -0,0 +1,27 @@
+import { inject, injectable } from 'tsyringe';
+import { DI_TOKEN_SERVICE } from './di/service.registerer';
+import { PackageKit } from './interface/packagekit.interface';
+import { Service } from './types/service';
+
+@injectable()
+export class InterfaceProvider {
+    constructor(@inject(DI_TOKEN_SERVICE) private service: Service) {}
+
+    getPackageKitInterface(): Promise<PackageKit> {
+        return new Promise<PackageKit>((resolve, reject) => {
+            const callback = (err: unknown, packageKit: PackageKit) => {
+                if (!err) {
+                    resolve(packageKit);
+                } else {
+                    reject(err);
+                }
+            };
+
+            this.service.getInterface<PackageKit>(
+                'org/freedesktop/PackageKit',
+                'org.freedesktop.PackageKit',
+                callback
+            );
+        });
+    }
+}

src/interface.provider.ts

@@ -0,0 +1,5 @@
+import { Transaction } from './transaction.interface';
+
+export interface PackageKit {
+    createTransaction(): Transaction;
+}

src/interface/packagekit.interface.ts

@@ -0,0 +1 @@
+export interface Transaction {}

src/interface/transaction.interface.ts

@@ -0,0 +1,5 @@
+import { Service } from "./service";
+
+export interface Bus {
+    getService(id: string): Service;
+}

src/types/bus.ts

@@ -0,0 +1,7 @@
+export interface Service {
+    getInterface<DbusInterface>(
+        path: string,
+        name: string,
+        callback: (err: unknown, dbusInterface: DbusInterface) => void
+    ): void;
+}

src/types/service.ts

@@ -1,13 +1,16 @@
 {
     "compilerOptions": {
         "target": "es2016",
-        "module": "ES2022",
+        "module": "CommonJS",
         "esModuleInterop": true,
         "forceConsistentCasingInFileNames": true,
         "strict": true,
         "skipLibCheck": true,
         "outDir": "dist",
-        "declaration": true
+        "declaration": true,
+        "experimentalDecorators": true,
+        "emitDecoratorMetadata": true,
+        "moduleResolution": "Node"
     },
     "include": ["src"],
     "exclude": ["node_modules", "dist"]