Module:Utils/doc

Utility functions to help creating modules

def(value, default)

Returns value if it is not nil or "", and defaultotherwise

_a(arg)

Extracts the argument from the common ways mediawiki passes arguments to modules:

• if arg is not a table, it is returned as is (Called from Lua like a function)
• if arg is a table and that table has a args field, arg.args[1] is returned (Called from MediaWiki’s {{#invoke:}} parser function)
• if arg is a table but doesn’t contain an args field, args[1] is returned (Called with a table as an argument list)