Wikipedia:Lua/Modul-Failsafe/en
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The Failsafe interface is heading for version management of globally distributed Lua modules. It enables modules equipped with this interface to
- ensure, that a library module required by a template or another module available as local copy does support certain functionality, or complain if not.
- administrate global updating and linking of module codes via Wikidata.
The Failsafe interface is present both at template level and for direct Lua access.
The functions in detail are (not all supported yet completely by every library):
Value | Result |
---|---|
nothingfalse
|
local version ID |
Minimal version | version ID required at least date in ISO format It will be compared whether the current local implementation matches this version or later.
|
wikidata
|
version ID of global upstream
|
~
|
Corresponding version ID locally and registered at Wikidata
|
@
|
Is the current (module) page linked correctly with Wikidata item?
|
The return value is in template programming empty or under Lua false , otherwis a non-empty string as described.
|