@krainovsd/fastify-logger/lib/esm/define-middlewares.js

Krainov fastify logger

import { getRequestInfo, getResponseInfo } from './lib/index.js';
import { Logger } from './logger.js';

function defineMiddlewares(fastify, settings = {}) {
    const logger = new Logger({ logger: fastify.log });
    fastify.setErrorHandler(function onError(error, request, reply) {
        const status = error.statusCode ?? 500;
        if (status === 500 &&
            (settings.errorLogFilter == undefined || settings.errorLogFilter(request))) {
            const requestInfo = getRequestInfo(request);
            logger.error({ error, info: requestInfo, message: "error" });
        }
        settings.onError?.(error, request, reply);
        reply
            .status(status)
            .header("traceId", request.traceId)
            .header("operationId", request.operationId)
            .send({
            traceId: request.traceId,
            operationId: request.operationId,
            message: error.message,
        });
    });
    fastify.addHook("onRequest", function onRequest(request, reply, done) {
        if (settings.accessLogFilter != undefined && !settings.accessLogFilter(request)) {
            done();
            return;
        }
        const requestInfo = getRequestInfo(request);
        request.traceId = requestInfo.traceID;
        request.operationId = requestInfo.operationId;
        logger.info({ info: requestInfo, message: "receive request" });
        settings.onRequest?.(request, reply);
        done();
    });
    fastify.addHook("onSend", async function onSend(request, reply, payload) {
        reply.header("traceId", request.traceId);
        reply.header("operationId", request.operationId);
        await settings.onSend?.(request, reply, payload);
        return payload;
    });
    fastify.addHook("onResponse", function onResponse(request, reply, done) {
        if (settings.accessLogFilter != undefined && !settings.accessLogFilter(request)) {
            done();
            return;
        }
        const requestInfo = getRequestInfo(request);
        const responseInfo = getResponseInfo(reply);
        settings.onResponse?.(request, reply);
        logger.info({
            info: {
                ...requestInfo,
                ...responseInfo,
            },
            message: "send response",
        });
        done();
    });
}

export { defineMiddlewares };
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