If `domainSplit(` is detected in an inline script, the function and params are injected into
the script.
The majority of this PR is actually test-related. Adds a unit test to check for the injected
script/params. Also adds another QA test which -- through a very round-about mechanism --
confirms that the injected script compiles and functions correctly. The QA test can
be simplified greatly once the Preview API is added.
Original commit: elastic/x-pack-elasticsearch@c7c35a982c
This contains the Painless-based DomainSplit function, generated static maps and basic tests. Due to cross-module complications, the tests are run by executing searches with script_fields and checking the response
Original commit: elastic/x-pack-elasticsearch@c6c2942e01