Updated the panel render wait function to account for Grafana version 6 #26
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When using grafana-image-renderer with Grafana 6.3.3 I was getting several dashboards that were rendering with empty panels. Upon inspection of the page, I realized that there is not a '.panel' class applied to the panels any more.
I added
|| document.querySelectorAll('.panel-container').length
to line 73 to account for this change.I have not done any rigorous testing, but it did solve my problem.
I am using grafana-image-renderer as a docker image.