Js-error-log NPM

Info

Sends log messages for logging with ajax POST request.

All log messages are application/json data.

After initialisation Logger listens for: 1. JS errors 2. jQuery .ajaxError (only if jQuery is used) 3. unhandled rejection in promises

Install

npm i js-error-log

How to use

Add js-error-log.js on your page / bundle
Call Logger.init('/url/to/send/your/log-messages')
That's all :)

Logger API

.init(logPostURL, logDefaults) - initialised event listeners
1. logPostURL - logging POST requests endpoint url, required
2. logDefaults - object, that contains additional logging data, if needed (check initialisation demo in demo/index.html for details)
.sendMessage(message) - sends POST request with given message
isInit() - returns logger initialisation state

Log messages examples

js error (standard error. See onerror handler functions for other possible outputs)

[http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6]
[Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36]
[765x1012]
error:
Uncaught Error: Unhandled js error at http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6:14:11
 Stack: Error: Unhandled js error
    at http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6:14:11

jQuery `.ajaxError`

[http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6]
[Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36]
[765x1012]
error:  JQUERY-ajaxError
url: /test
method: GET
status: 404
statusText: Not Found
response: <!doctype html><title>404 Not Found</title><h1 style="text-align: center">404 Not Found</h1><hr/><p style="text-align: center">WebStorm 2017.2</p>

unhandled rejection in promises

[http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6]
[Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36]
[765x1012]
error:  Promise unhandled error
message: afsdfs is not defined
stack: ReferenceError: afsdfs is not defined
    at http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6:21:9
    at new Promise (<anonymous>)
    at http://localhost:63342/js-error-log/demo/index.html?_ijt=801749sfdfouqaf0man5aklvu6:20:5

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