all-exceptions.filter.ts

import {
    ArgumentsHost, Catch, ExceptionFilter, HttpException,
    HttpStatus
} from '@nestjs/common';
import { HttpAdapterHost } from '@nestjs/core';
import { PinoLogger } from 'nestjs-pino';

@Catch()
export class AllExceptionsFilter implements ExceptionFilter {
    constructor(
        private readonly httpAdapterHost: HttpAdapterHost,
        private readonly logger: PinoLogger,
    ) { }

    catch(exception: unknown, host: ArgumentsHost): void {
        // In certain situations `httpAdapter` might not be available in the
        // constructor method, thus we should resolve it here.
        const { httpAdapter } = this.httpAdapterHost;

        const ctx = host.switchToHttp();

        const httpStatus =
            exception instanceof HttpException
                ? exception.getStatus()
                : HttpStatus.INTERNAL_SERVER_ERROR;

        const responseBody = {
            statusCode: httpStatus,
            timestamp: new Date().toISOString(),
            path: httpAdapter.getRequestUrl(ctx.getRequest()),
        };

        const stack = exception instanceof (HttpException || Error) ? exception.stack : null;
        this.logger.error(JSON.stringify(responseBody), stack);

        httpAdapter.reply(ctx.getResponse(), responseBody, httpStatus);
    }
}