Apply dependencies update (#359)

[poolifier.git] / src / worker / abstract-worker.ts

diff --git a/src/worker/abstract-worker.ts b/src/worker/abstract-worker.ts
index 6aa34e8e899fda868bf0c1935b656a21d8b67629..26468aeb96ae0d5f838518e2e9308b2e31c16c0e 100644 (file)
--- a/src/worker/abstract-worker.ts
+++ b/src/worker/abstract-worker.ts
@@ -2,6 +2,7 @@ import { AsyncResource } from 'async_hooks'
 import type { Worker } from 'cluster'
 import type { MessagePort } from 'worker_threads'
 import type { MessageValue } from '../utility-types'
+import { EMPTY_FUNCTION } from '../utils'
 import type { KillBehavior, WorkerOptions } from './worker-options'
 import { KillBehaviors } from './worker-options'
 
@@ -12,8 +13,8 @@ const DEFAULT_KILL_BEHAVIOR: KillBehavior = KillBehaviors.SOFT
  * Base class containing some shared logic for all poolifier workers.
  *
  * @template MainWorker Type of main worker.
- * @template Data Type of data this worker receives from pool's execution.
- * @template Response Type of response the worker sends back to the main worker.
+ * @template Data Type of data this worker receives from pool's execution. This can only be serializable data.
+ * @template Response Type of response the worker sends back to the main worker. This can only be serializable data.
  */
 export abstract class AbstractWorker<
   MainWorker extends Worker | MessagePort,
@@ -66,7 +67,7 @@ export abstract class AbstractWorker<
       this.opts.maxInactiveTime ?? DEFAULT_MAX_INACTIVE_TIME
     this.async = !!this.opts.async
     this.lastTask = Date.now()
-    if (!fn) throw new Error('fn parameter is mandatory')
+    this.checkFunctionInput(fn)
     // Keep the worker active
     if (!isMain) {
       this.interval = setInterval(
@@ -96,6 +97,15 @@ export abstract class AbstractWorker<
     })
   }
 
+  /**
+   * Check if the `fn` parameter is passed to the constructor.
+   *
+   * @param fn The function that should be defined.
+   */
+  private checkFunctionInput (fn: (data: Data) => Response): void {
+    if (!fn) throw new Error('fn parameter is mandatory')
+  }
+
   /**
    * Returns the main worker.
    *
@@ -147,10 +157,10 @@ export abstract class AbstractWorker<
     try {
       const res = fn(value.data)
       this.sendToMainWorker({ data: res, id: value.id })
-      this.lastTask = Date.now()
     } catch (e) {
       const err = this.handleError(e)
       this.sendToMainWorker({ error: err, id: value.id })
+    } finally {
       this.lastTask = Date.now()
     }
   }
@@ -168,13 +178,15 @@ export abstract class AbstractWorker<
     fn(value.data)
       .then(res => {
         this.sendToMainWorker({ data: res, id: value.id })
-        this.lastTask = Date.now()
         return null
       })
       .catch(e => {
         const err = this.handleError(e)
         this.sendToMainWorker({ error: err, id: value.id })
+      })
+      .finally(() => {
         this.lastTask = Date.now()
       })
+      .catch(EMPTY_FUNCTION)
   }
 }