fix: fixing eslint problems

workspaces/electron-app/main/services/abstract-service.ts

@@ -1,13 +1,13 @@
-export class AbstractService {
+export class AbstractService<In, Out> {
   receptionChannel(): string {
-    throw new Error('Method not implemented.');
+    throw new Error("Method not implemented yet.");
   }
 
   sendingChannel(): string {
-    throw new Error('Method not implemented.');
+    throw new Error("Method not implemented yet.");
   }
 
-  process(...args: any): any {
-    throw new Error('Method not implemented.');
+  process(_input: In): Out {
+    throw new Error("Method not implemented yet.");
   }
 }

workspaces/electron-app/main/services/multiples-service.ts

@@ -1,7 +1,7 @@
 import { WindowApiConst } from "shared-lib";
 import { AbstractService } from "./abstract-service";
 
-export class MultiplesService extends AbstractService {
+export class MultiplesService extends AbstractService<number, number[]> {
   receptionChannel(): string {
     return WindowApiConst.MULTIPLES_INPUT;
   }
@@ -10,11 +10,11 @@ export class MultiplesService extends AbstractService {
     return WindowApiConst.MULTIPLES_OUTPUT;
   }
 
-  process(...args: any): any {
+  process(input: number): number[] {
     // From 1 to 10, return input multiples
     const multiples = [];
     for (let n = 1; n <= 10; n++) {
-      multiples.push(n * args[0]);
+      multiples.push(n * input);
     }
     return multiples;
   }