[Logger] feat: add ability to ignore Nest.js contexts

.changeset/slick-dryers-cheat.md

@@ -0,0 +1,5 @@
+---
+"@human-protocol/logger": minor
+---
+
+Added ability to ignore logging from Nest.js contexts

packages/libs/logger/README.md

@@ -85,6 +85,12 @@ import { NestLogger } from '@human-protocol/logger';
 // initialize an overridden instance
 export const nestLoggerOverride = new NestLogger(
   defaultAppLogger.child({ name: 'NestLogger' }),
+  /**
+   * You may also want to disable logging from some noisy Nest.js contexts,
+   * e.g. app initialization logging.
+   * NOTE: it will disable logging on all levels for these contexts
+  */
+  ['InstanceLoader', 'RouterExplorer', 'RoutesResolver'],
 );
 
 

packages/libs/logger/src/nest-logger.ts

@@ -4,7 +4,10 @@ import type { LoggerService } from '@nestjs/common';
 import { Logger, LogLevel, LogMeta } from './types';
 
 class NestLogger implements LoggerService {
-  constructor(private readonly loggerInstance: Logger) {}
+  constructor(
+    private readonly loggerInstance: Logger,
+    readonly contextsToIgnore: string[] = [],
+  ) {}
 
   log(message: any, ...optionalParams: any[]) {
     // eslint-disable-next-line @typescript-eslint/no-unsafe-argument
@@ -60,7 +63,7 @@ class NestLogger implements LoggerService {
     message: unknown,
     ...optionalParams: unknown[]
   ): void {
-    const logMeta: LogMeta = {};
+    const logMeta: LogMeta & { context?: string } = {};
 
     let params: unknown[] = [];
     // Nest always add "context" as last param
@@ -74,6 +77,10 @@ class NestLogger implements LoggerService {
       }
     }
 
+    if (logMeta.context && this.contextsToIgnore.includes(logMeta.context)) {
+      return;
+    }
+
     // Case when Nest logs something other than context
     if (params.length) {
       logMeta.messages = params;