for NestJS v8, v9 and v10
For big NestJS apps we might see a bunch of initialization logs like the following:
In some environments those messages are nothing but noise to the log management tool. Note that I'm referring to those emitted with the .log method of the built-in Logger class from @nestjs/common
By following the nestjs docs on Logger: https://docs.nestjs.com/techniques/logger we can find out on how to omit such logs, as follows:
Create a custom logger that inherits from the built-in ConsoleLogger and declare that it will do nothing if the supplied context is a internal one (ie, from @nestjs/core)
// ...
import { ConsoleLogger } from '@nestjs/common'
/**
* A custom logger that disables all logs emitted by calling `log` method if
* they use one of the following contexts:
* - `InstanceLoader`
* - `RoutesResolver`
* - `RouterExplorer`
* - `NestFactory`
*/
export class InternalDisabledLogger extends ConsoleLogger {
static contextsToIgnore = [
'InstanceLoader',
'RoutesResolver',
'RouterExplorer',
'NestFactory', // I prefer not including this one
]
log(_: any, context?: string): void {
if (!InternalDisabledLogger.contextsToIgnore.includes(context)) {
super.log.apply(this, arguments)
}
}
}
Then, at your bootstrap function, use that logger instead
// ...
const app = await NestFactory.create(AppModule, {
logger: new InternalDisabledLogger(),
})
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