CoreLogger.ts

CoreLogger.ts

import { ConsoleLogger } from '@nestjs/common';

export class CoreLogger extends ConsoleLogger {
    public static excludeContexts: string[] = [];
    public static addExcludeContexts(excludeContext: string) {
        CoreLogger.excludeContexts.push(excludeContext);
    }
    /**
     * Write a 'log' level log.
     */
    log(message: any, ...optionalParams: any[]) {
        if (!CoreLogger.excludeContexts.includes(optionalParams[0])) {
            super.log(message, ...optionalParams);
        }
    }

    /**
     * Write an 'error' level log.
     */
    error(message: any, ...optionalParams: any[]) {
        if (!CoreLogger.excludeContexts.includes(optionalParams[1]) && !CoreLogger.excludeContexts.find((ctx) => String(message).includes(ctx))) {
            super.error(message, ...optionalParams);
        }
    }

    /**
     * Write a 'warn' level log.
     */
    warn(message: any, ...optionalParams: any[]) {
        if (!CoreLogger.excludeContexts.includes(optionalParams[0])) {
            super.warn(message, ...optionalParams);
        }
    }

    /**
     * Write a 'debug' level log.
     */
    debug(message: any, ...optionalParams: any[]) {
        if (!CoreLogger.excludeContexts.includes(optionalParams[0])) {
            super.debug(message, ...optionalParams);
        }
    }

    /**
     * Write a 'verbose' level log.
     */
    verbose(message: any, ...optionalParams: any[]) {
        if (!CoreLogger.excludeContexts.includes(optionalParams[0])) {
            super.verbose(message, ...optionalParams);
        }
    }
}

main.ts

import { CoreLogger } from './CoreLogger.ts';

CoreLogger.addExcludeContexts(FeatureService.name);
CoreLogger.addExcludeContexts(AuthGraphqlGuard.name);
CoreLogger.addExcludeContexts(UnauthorizedException.name);
CoreLogger.addExcludeContexts('Unauthorized');

// or from process.env
// (process.env.LOGGER_EXCLUDE_CONTEXTS! || '').split(',').forEach((contextName) => CoreLogger.addExcludeContexts(contextName));

async function bootstrap() {
    const app = await NestFactory.create(AppModule, { logger: new CoreLogger() });
    const port = process.env.PORT || 5000;
    await app.listen(port, () => {
        logger.log('Listening at http://localhost:' + port);
    });
}

bootstrap()