Simple custom JS logging formating

logging.js

const timestamp = () => `${new Date().toISOString()}`;
const log = {
    debug: (...args) => console.debug(timestamp(), "[DEBUG]", ...args),
    info: (...args) => console.info(timestamp(), "[INFO]", ...args),
    warning: (...args) => console.warn(timestamp(), "[WARNING]", ...args),
    error: (...args) => console.error(timestamp(), "[ERROR]", ...args),
};

// Usage
log.debug("a debug message");
log.info("an info message");
log.warning("a warning message");
log.error("an error message");