Wikipedia:Lua/Modul/Vorlage:OxfordDNB/en
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Vorlage:OxfordDNB
– Support for Template:OxfordDNB.
Functions for templates
[Quelltext bearbeiten]- www
- Create external link
- Parameters (optional):
- id
- Identifier
109876
101012345
12/101012345
- err
- Error message text
- cat
- Title of a maintenance category
- Parameters (optional):
- Result
- External link, or error message on invalid ID
- empty else
- failsafe
- Version management
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 | current |
---|---|---|
nothingfalse
|
local version ID | »2024-03-08« |
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
|
»2024-03-08« |
item
|
ID of the Wikidata item
|
Q124723080
|
~
|
Corresponding version ID locally and registered at Wikidata
|
»« |
@
|
Is the current (module) page linked correctly with Wikidata item?
|
»Q124723080« |
The return value is in template programming empty or under Lua false , otherwis a non-empty string as described.
|
Functions for Lua modules (API)
[Quelltext bearbeiten]The functions described above can be used by other modules per require()
:
local lucky, OxfordDNB = pcall( require, "Module:Vorlage:OxfordDNB" )
if type( OxfordDNB ) == "table" then
OxfordDNB = OxfordDNB()
else
-- failure; OxfordDNB is the error message
return "<span class=\"error\">" .. OxfordDNB .. "</span>"
end
Then there is available:
- OxfordDNB.www( at, alert, assign )
- Parameters like for Template
- at – id
string - alert – err
may bestring ormw.html
table - assign – cat
string
- at – id
- Returns: string with external link, or error message, else false
- atleast
optional
nil oder Mindestversion
- atleast
- Rückgabewert: string oder false
- OxfordDNB.failsafe( atleast )
- Version management
- Returns: string oder
false
Usage
[Quelltext bearbeiten]Dependencies
[Quelltext bearbeiten]None.