I've created an application that uses the Gantt Chart and for most users it
works just fine. They host the application on their own server and it uses
the "newer" method
<https://developers.google.com/chart/interactive/docs/basic_load_libs#update-library-loader-code>
of loading the styles/scripts which my code then leverages to create a
Gantt Chart.
It includes the necessary scripts like so:
google.charts.load( 'current', {
'packages': ['gantt'],
} );
This works just fine most of the time and loads the necessary scripts, as
seen here.
<https://cloud.githubusercontent.com/assets/7770631/21809230/c3f1c9de-d714-11e6-9474-f9f64357ad69.png>
But for some reason, on the User's website it only loads these scripts.
<https://cloud.githubusercontent.com/assets/7770631/21809239/d0060852-d714-11e6-8cc0-e5aa88c51b22.png>
So,
only the Loader itself is present and none of the actual scripts we need.
This causes Google Charts to return its (Entirely unhelpful) little red
"Error" box without any details logged to the Browser Console. I could send
them a build with Debug set to true, but since it isn't loading the scripts
at all I don't think this is an issue with the code actually creating the
Chart.
The User reports that they're doing nothing to block any requests to
"gstatic.com" and that on their Staging site where they've disabled all
forms of caching this still persists.
----
So I figured, "Ok, let's see if I can get everything in a single request.
That should break through this barrier, right?"
However, if I try to use the deprecated Loader
<https://developers.google.com/loader/#auto-loading> to grab the necessary
styles and scripts in a single go, it tells me the Package doesn't exist.
I'm assuming this is because the Gantt Chart is newer and it wasn't added
to the old, deprecated API.
The following JSON is used to create the URL:
{
"modules":[
{
"name":"visualization",
"version":"1.0",
"language":"en_US",
"packages":[
"gantt"
]
}
]
}
I tried naming the Package "ganttchart" as well with no success. It just
says that the Package doesn't exist.
---
Has anyone else experienced this? Has anyone found a way around it? I
haven't been able to replicate what the user is experiencing which has made
debugging very difficult.
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