import consoleLogLevel = require("console-log-level"); const logger1 = consoleLogLevel({ level: "trace", stderr: undefined, prefix: () => "SOME PREFIX" }); const logger2 = consoleLogLevel({ level: "trace", stderr: true, prefix: "OTHER PREFIX" }); logger1.trace("hello %s", "world"); logger2.debug("hello %s", "world"); logger2.info("hello %s", "world"); logger2.warn("hello %s", "world"); logger2.error("hello %s", "world"); logger2.fatal("hello %s", "world");