Solving constructor type issue (#415)

Author: CarlosGamero

packages/metrics/lib/prometheus/metrics/message-error/PrometheusMessageErrorCounter.spec.ts

@@ -21,7 +21,6 @@ describe('PrometheusMessageErrorCounter', () => {
       {
         name: 'test_metric',
         helpDescription: 'test description',
-        labelNames: ['errorReason'],
         messageVersion: (metadata: ProcessedMessageMetadata<TestMessage>) => {
           registeredMessages.push(metadata) // Mocking it to check if value is registered properly
           return undefined
@@ -85,7 +84,6 @@ describe('PrometheusMessageErrorCounter', () => {
       {
         name: 'Test metric',
         helpDescription: 'test description',
-        labelNames: ['errorReason'],
       },
       promClient,
     )
@@ -120,7 +118,6 @@ describe('PrometheusMessageErrorCounter', () => {
       {
         name: 'Test metric',
         helpDescription: 'test description',
-        labelNames: ['errorReason'],
       },
       promClient,
     )
@@ -168,7 +165,6 @@ describe('PrometheusMessageErrorCounter', () => {
       {
         name: 'Test metric',
         helpDescription: 'test description',
-        labelNames: ['errorReason'],
         messageVersion: (metadata: ProcessedMessageMetadata<TestMessage>) =>
           metadata.message?.metadata?.schemaVersion,
       },

packages/metrics/lib/prometheus/metrics/message-error/PrometheusMessageErrorCounter.ts

@@ -1,10 +1,19 @@
 import type { ProcessedMessageMetadata } from '@message-queue-toolkit/core'
+import type promClient from 'prom-client'
 import type { LabelValues } from 'prom-client'
+import type { PrometheusMetricParams } from '../../types.ts'
 import { PrometheusMessageCounter } from './PrometheusMessageCounter.ts'
 
 export class PrometheusMessageErrorCounter<
   MessagePayload extends object,
 > extends PrometheusMessageCounter<MessagePayload, 'errorReason'> {
+  constructor(
+    metricParams: Omit<PrometheusMetricParams<MessagePayload, 'errorReason'>, 'labelNames'>,
+    client: typeof promClient,
+  ) {
+    super({ ...metricParams, labelNames: ['errorReason'] }, client)
+  }
+
   protected override getLabelValuesForProcessedMessage(
     metadata: ProcessedMessageMetadata<MessagePayload>,
   ): LabelValues<'errorReason'> {