xxd-log
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2.0.0 • Public • Published

Usage

const log = require("xxd-log");
 
// Different log levels
// Accept same arguments as `console.log()`
const count = 5;
log.trace("count: %d", count);
log.debug("count:", count);
log.info(`count: ${count}`);
log.warn({ count });
log.error(new Error(`count (${count}) is wrong.`));
log.fatal("Duang!");
 
// Use chalk directly
console.log(log.chalk.red("This is red."));

Configure

// Change options of the default logger instance.
 
log.withLabel = false; // Do not display labels before messages.
log.withTimestamp = false; // Do not display current time before messages.
log.highlightStackTrace = false; // Do not highlight key positions in error stack trace.
log.timestampFormat = "HH:mm:ss.SSS"; // Customize the time format.
 
log.withLabel = log.defaultOptions.withLabel; // reset an option to default value.
// Use an individual instance with different options
 
const anotherLogger = log.newLogger({
  withLabel: false,
  withTimestamp: false,
  highlightStackTrace: false,
});

You can change these options at any time in the process, and will take effect from next call of logging.

For further instruction of time format, please see moment.js documentation

Options List

Option Type Description
withTimestamp boolean Control if print message with timestamp before, default to true
withLabel boolean Control if print message with label (indicating log level) before, default to true
timestampFormat string Define how timestamp looks like, see moment.format() (http://momentjs.com/docs/#/displaying/format/), default to 'YYYY-MM-SS HH:mm:ss'
highlightStackTrace string Control if highlight files in project (in process.cwd(), and not in node_modules) in error stack trace. default to true

Requirements

v2.x

  • Node.js > 12.4.0

v1.x

  • Node.js > 6.0.0
  • or Node.js > 4.0.0 with --harmony

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Install

npm i xxd-log

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Version

2.0.0

License

ISC

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  • linkeo