@rdfc/sds-storage-writer-ts/lib/utils/logUtil.js

An RDF-Connect processor to write SDS streams into a given storage system

import winston, { format } from "winston";
const PROCESSOR_NAME = "sds-storage-writer-ts";
const consoleTransport = new winston.transports.Console();
consoleTransport.level =
    process.env.LOG_LEVEL ||
        process.env.DEBUG?.includes(PROCESSOR_NAME) ||
        process.env.DEBUG === "*"
        ? "debug"
        : "info";
const classLoggers = new WeakMap();
export function getLoggerFor(loggable) {
    let logger;
    if (typeof loggable === "string") {
        logger = createLogger(loggable);
    }
    else {
        const { constructor } = loggable;
        if (classLoggers.has(loggable)) {
            logger = classLoggers.get(loggable);
        }
        else {
            logger = createLogger(constructor.name);
            classLoggers.set(loggable, logger);
        }
    }
    return logger;
}
function createLogger(label) {
    return winston.createLogger({
        format: format.combine(format.label({ label }), format.colorize(), format.timestamp(), format.metadata({
            fillExcept: ["level", "timestamp", "label", "message"],
        }), format.printf(({ level: levelInner, message, label: labelInner, timestamp, }) => `${timestamp} {${PROCESSOR_NAME}} [${labelInner}] ${levelInner}: ${message}`)),
        transports: [consoleTransport],
    });
}