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'
 };

{array} callbackLogLevels

List of all logs type loggerTypes allowed to be sent to server.

{string} callbackParamName

The object parameter name to push logs to given url.

{string} callbackUrl

The url to call to send logs to.

{Boolean} isConsoleClearedOnInit

• true: will do a console.clear(); when calling function.
• false: will not do anything.

{Boolean} willDoCallback

• true: will do a callback to a given URL for each configurated log
• false: will not call anything. Simple console usage.

{Boolean} willDisplayConsole

• true: output logs to browser console
• false: will not display anything in browser console.