refactor: cleanup imports

[e-mobility-charging-stations-simulator.git] / src / worker / WorkerAbstract.ts

diff --git a/src/worker/WorkerAbstract.ts b/src/worker/WorkerAbstract.ts
index 3fbd4a0b2da68f7adaafbcfe8cb7a940c04c833a..16d566bde2ae60049fe401c7f13f830af4ce17dd 100644 (file)
--- a/src/worker/WorkerAbstract.ts
+++ b/src/worker/WorkerAbstract.ts
@@ -1,19 +1,19 @@
-import fs from 'fs';
+import fs from 'node:fs';
 
-import { WorkerData, WorkerOptions } from '../types/Worker';
-import WorkerConstants from './WorkerConstants';
+import { WorkerConstants } from './WorkerConstants';
+import type { WorkerData, WorkerOptions } from './WorkerTypes';
 
-export default abstract class WorkerAbstract<T extends WorkerData> {
+export abstract class WorkerAbstract<T extends WorkerData> {
   protected readonly workerScript: string;
   protected readonly workerOptions: WorkerOptions;
   public abstract readonly size: number;
-  public abstract readonly maxElementsPerWorker: number | null;
+  public abstract readonly maxElementsPerWorker: number | undefined;
 
   /**
    * `WorkerAbstract` constructor.
    *
-   * @param workerScript
-   * @param workerOptions
+   * @param workerScript -
+   * @param workerOptions -
    */
   constructor(
     workerScript: string,
@@ -24,14 +24,15 @@ export default abstract class WorkerAbstract<T extends WorkerData> {
       poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
       elementsPerWorker: WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
       poolOptions: {},
-      messageHandler: () => {
-        /* This is intentional */
-      },
+      messageHandler: WorkerConstants.EMPTY_FUNCTION,
     }
   ) {
-    if (!workerScript) {
+    if (workerScript === null || workerScript === undefined) {
       throw new Error('Worker script is not defined');
     }
+    if (typeof workerScript === 'string' && workerScript.trim().length === 0) {
+      throw new Error('Worker script is empty');
+    }
     if (!fs.existsSync(workerScript)) {
       throw new Error('Worker script file does not exist');
     }