[wpe-webkit] Javascript console with Cog and WPE WebKit

Tobias Grasse | glancr tg at glancr.de
Tue Aug 27 05:00:16 PDT 2019

Hi everyone,

I’m using cog 0.3.1 with WPE 2.24.2. When you start cog with --enable-write-console-messages-to-stdout=1 , JS log messages should appear in your STDOUT. I don’t know where your Yocto build logs the cog process output, but at least it now contains JS messages :-)


> Am 27.08.2019 um 13:54 schrieb Enrique Ocaña González <eocanha at igalia.com>:
> El martes, 27 de agosto de 2019 13:30:01 (CEST) Andy Pont escribió:
>> I have an i.MX6 Yocto build that is running Cog and WPE WebKit to
>> provide the front end UI.  I don't seem to be able to find how to enable
>> or where the console.log() messages in any Javascript gets output.  Can
>> anyone point me in the right direction?
> I'm sure somebody will answer this thread with the right way to do it, but if 
> that's not the case and you still need to get the console logs no matter what, 
> just try this small hack I use sometimes when doing local debugging:
> Change this line of code
> https://github.com/WebKit/webkit/blob/master/Source/WebKit/UIProcess/API/C/
> WKPreferences.cpp#L1225
> so it remains as:
> toImpl(preferencesRef)->setLogsPageMessagesToSystemConsoleEnabled(true);
> I hope it works for you and you find it useful.
> -- 
> Enrique Ocaña
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