Javascript-console-logger NPM

javascript-console-logger

Package description

This package is just a simple logger that group browser console.* functionalities, and add the possibility to disable output for specifics environments, and send log throught a server.

Logger usage

Simple logger usage

In dev mode, you will probably display all console outputs:

loggerOutput ({})(loggerTypes.log, 'My message');

In production mode, you will probably disable console output to avoid errors to be displayed:

loggerOutput ({
    isConsoleClearedOnInit: false,
    willDisplayConsole: false
})(loggerTypes.log, 'My message');

Advanced usage

Example to use the logger with a server call:

const logger = loggerOutput ({
    callbackHeaderConfig: {"Content-Type": "text/plain"},
    callbackLogLevels: [loggerTypes.error], // Will only send error to server
    callbackParamName: 'paramKey', // Will result a server call with parameter: {paramKey: '...logs'}
    callbackUrl: 'https://some-server.com', // URL to send logs to
    isConsoleClearedOnInit: true, // Will clean console when launching logger
    willDoCallback: true, // Will send some logs to server
    willDisplayConsole: true // Will display logs in the browser console
});

logger(loggerTypes.error, 'My message'); // Will be displayed & sent to server
logger(loggerTypes.warn, 'My message'); // Will be displayed & not sent to server

Logger configuration

The loggerOutput function take an object as parameter, with given keys:

callbackHeaderConfig = {}
callbackLogLevels = [],
callbackParamName = '',
callbackUrl = '',
isConsoleClearedOnInit = true,
willDoCallback = false,
willDisplayConsole = true

{object} callbackHeaderConfig

Fetch header object that extends the default one:

const headers = {
     cache: 'no-cache',
     headers: {'Content-Type': 'application/json'},
     method: 'POST',
     mode: 'cors',
     redirect: 'follow'
 };