Andreas Weise created ZEPPELIN-5019:
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Summary: Enable configurable HTML addons, e.g. 3rd Party JS Libs
Key: ZEPPELIN-5019
URL: https://issues.apache.org/jira/browse/ZEPPELIN-5019
Project: Zeppelin
Issue Type: Improvement
Components: zeppelin-server
Affects Versions: 0.9.0
Reporter: Andreas Weise
see the original thread here
[https://lists.apache.org/thread.html/cdb6b87516629093695f5699869942a4bc92c97a2fc93156dc0baf86%40%3Cusers.zeppelin.apache.org%3E]
Currently its hard to integrate certain plotting libraries efficiently in one
single zeppelin notebook. efficiently here mean in sense of how often library
code needs to be embedded into a single notebook. while few plotting libraries
provide APIs to properly enable lazy loading of their JS library (e.g. bokeh),
others do not (e.g. plotly), which results in large overhead in notebooks with
couple of plots, where each plot embeds the library code again and again.
attempts to only embed library code in the first paragraph is not feasible, as
its not guaranteed, that the this paragraph will loaded at first by the
browser. Any attempt to load libraries via paragraph code will end up in such
synchronization issues when the library does not support synchronization on its
own.
A general solution for that problem is to enable the loading of 3rd party JS
libraries within the root HTML.
Hence this issue will introduce a new optional zeppelin configuration that
allows administrators to add global addons to the zeppelin root HTML, so
analysts can rely on that the JS library is already loaded for every paragraph.
As there exist two places in HTML where initial loading may be placed, the
issue will introduce the following configuration property:
* zeppelin.server.html.head.addon > addon html code to be placed at the end of
the html->head section
* zeppelin.server.html.body.addon > addon html code to be placed at the end of
the html->body section
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