Nestjs logger service. I took information from here Logging request/response in Nest. 4. Not sure what else to try from here, do I have to add a mock provider inside the mockSocketService or do I have to add a mock logger? New to Nest. // logger. But, how can I add this LoggerService to ExceptionFilter. here is a simple usage of nestJs internal Logger: import { Logger } from '@nestjs/common'; export abstract class TestLogger { protected abstract readonly logger: Logger; async testLogger(){ this. . NestJS implemented with default logger. here is a simple usage of nestJs internal Logger: import { Logger } from '@nestjs/common'; export abstract class TestLogger { protected abstract readonly logger: Logger; async testLogger(){ this. js and from the docs NestJs Aspect Interception. mock('@nestjs/common', => ({ jest. 0 I have custom LoggerService, it's working perfectly. You can do this by overwriting the default logger and using that logger when the app bootstrap in main. I've also tried using the built-in Logger and start the app using npm run start:debug, and I see no output from the Logger either. import { LoggerService } from '@nestjs/common'; export class CustomLogger implements LoggerService { /** * Write a I want to log the incoming requests and outgoing responses in NestJs. ts import {Injectable, LoggerService} from '@ @Inject(WINSTON_MODULE_PROVIDER) private readonly logger: Logger I tried to add UserService into the providers array in my test suite and add a mock implementation of an empty object which didn't solve the issue. fn(), })) I still want to believe there has to be a way to accomplish it like this, but maybe Nest JS's dependency system circumvents Jest's hoisted mocking? 🤷. log(), but when I add it, there's no output in the terminal. I'm using vscode's terminal. g. May I know, How to configure the default logger to send the output to file, database. TypeErrors, Uncaught Rejected Promises, etc), and ship them to said logger. It send the output to console. requireActual('@nestjs/common'), Logger: jest. Most of the examples I have seen address HTTP errors only. It would be awesome to achieve this by not using external packages, so I would highly prefer a native "Nest" solution. In addition, if I want to use Winston in NestJS, how to use/inject/extend with various transport option. logger. warn( 'Document was not found with filterQuery: ' ); } } for more complex usage and setup guide you can visit this article: jest. For the request logging I currently use this code I'm building my first NestJS app and I see a lot of examples in their docs that use console. js, I am trying to implement a simple logger for tracing HTTP requests like : :method :url :status :res[content-length] - :response-time ms From my understanding the best place for that I'm wondering what the best way to make sure that I catch all errors, from HTTP errors, to unhandled JS errors (e. ts. Your custom logger is something like this. Using a Custom Logger with Nest JS's Dependency Injection I am using NestJS 5.

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