hlx-logger

A passthrough stream that skims all data and logs them into a file or stdout

Features

• Being used with other hlx objects, it provides a functionality to log all data events into a file or STDOUT
• Timestamp is in UTC

Install

Usage

const hlx = require('hlx');
const {createLogger} = require('hlx-logger');
 
const logger = createLogger({
  level: 'simple',
  outDir: '/var/log/hls-events'
});
 
// Log all events into a file
hlx.src('http://example.com/master.m3u8')
.pipe(logger)
.pipe(hlx.dest())
.on('error', err => {
  console.log(err.stack);
});

API

The features are built on top of the Node's transform streams.

createLogger(options)

Creates a new TransformStream object.

params

Name	Type	Required	Default	Description
options	object	No	{}	See below

options

Name	Type	Default	Description
level	string	'simple'	level should be either of 'simple', 'objDump', or 'raw'
outDir	string	All logs are output to process.stdout	outDir should be a path to a directory in which log files are stored
omitTime	boolean	false	If true, timestamps are not logged

return value

An instance of TransformStream.