mayamatakeshi / tracing-log Goto Github PK

A simple tracing log to be used in my nodejs modules. It will include file_name:line_number:function_name in each log line.

License: MIT License

JavaScript 100.00%

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Create function to permit to generate a tracing-log object for a specific subject

Something llike this:

function gen_log(subject) {
  const newLog = Object.assign({}, tl)
  newLog.error = logger.error.bind(null, subject)
  newLogwarn = logger.warn.bind(null, subject)
  newLog.info = logger.info.bind(null, subject)
  newLog.debug = logger.debug.bind(null, subject)
  newLog.log = logger.log.bind(null, subject)
  return newLog
}

// Example usage:
const tl = require('tracing-log')
const log = tl.gen_log('some_uuid')
log.info('Hello, world!') // Output: 2023-05-01 12:34:56.789 INFO some_uuid FILE_NAME:LINE_NUMBER:FUNCTION_NAME Hello, world!

Permit to disable tracing

By default, gen_logger (see #1) should enable tracing.
But it should be possible to pass a bool to disable it.
This is because the stacktrace operations are expensive and we might want to disable them in production and only enable them during development/test/troubleshooting.

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