@krainovsd/fastify-logger/lib/esm/transport.js

Krainov fastify logger

import { isObject, isString, isNumber } from '@krainovsd/js-helpers';
import build from 'pino-abstract-transport';
import '@opentelemetry/api';
import 'uuid';

function isHasSpace(str) {
    return typeof str === "string" && str.includes(" ");
}
function getCorrectLog(obj, deniedProperties, format = "logfmt") {
    const correctObj = Object.fromEntries(Object.entries(obj).filter(([key, value]) => !(deniedProperties?.includes?.(key.toLowerCase()) || typeof value === "undefined")));
    switch (format) {
        case "logfmt": {
            let log = "";
            Object.entries(correctObj).forEach(([key, value]) => {
                if (isHasSpace(value)) {
                    value = `"${value}"`;
                }
                log += `${key}=${value} `;
            });
            // eslint-disable-next-line no-console
            console.log(log.trim());
            break;
        }
        case "json": {
            // eslint-disable-next-line no-console
            console.log(correctObj);
            break;
        }
    }
}

function transport(opts = {}) {
    const deniedProperty = opts.deniedProperties?.map((property) => {
        return String(property).trim().toLowerCase();
    });
    return build(async function build(source) {
        for await (const obj of source) {
            if (!isObject(obj))
                return;
            obj.time = new Date().toISOString();
            if (isString(obj.level) || isNumber(obj.level))
                obj.level = getPinoLevel(obj.level);
            getCorrectLog(obj, deniedProperty, opts.format);
        }
    });
}
function getPinoLevel(level) {
    switch (String(level).toLowerCase()) {
        case "30": {
            return "info";
        }
        case "40": {
            return "warn";
        }
        case "50": {
            return "error";
        }
        default: {
            return "debug";
        }
    }
}

export { transport as default };
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