-- <pre>
-- @name Util
-- @description Holds commonly used simple functions.
-- @author [[User:Becasita]]
-- @contact [[User talk:Becasita]]
-------------------
-- Export variable:
-------------------
local U = {};
-------------
-- Functions:
-------------
-- mw functions:
local mwTextSplit = mw.text.split;
local mwTextTrim = mw.text.trim;
-- @name bold
-- @description Renders bold wikitext markup.
function U.bold( s )
return ("'''%s'''"):format( s )
end
-- @name italics
-- @description Renders italics wikitext markup.
function U.italics( s )
return ("''%s''"):format( s )
end
-- @name trim
-- @description Trims white space from front and tail of string. Returns nil if only whitespace.
-- @see [[mw:Extension:Scribunto/Lua reference manual#mw.text.trim]]
function U.trim( s )
if s and not s:match( '^%s*$' ) then
return mwTextTrim( s );
end
end
-- @name count
-- @description Counts the number of elements in a table.
function U.count( t )
local counter = 0;
for key, value in pairs( t ) do
counter = counter + 1;
end
return counter;
end
-- @name link
-- @description Creates a wikitext link.
function U.link( page, label )
return ('[[%s|%s]]'):format(
page:gsub( '#', '' ),
label or mwTextSplit( page, '%s*%(' )[1]
);
end
-- @name getDab
-- @description Gets the dab text of a title, if it has dab (fails for two dabs).
function U.getDab( title )
return title:match( '%((.*)%)%s*$' ) or '';
end
-- @name isSomething
-- @description Meta-function for type checkers.
local function isSomething( toCompare, compareTo )
return type( toCompare ) == type( compareTo );
end
-- @name isBoolean
function U.isBoolean( v )
return isSomething( v, true );
end
-- @name isFunction
function U.isFunction( v )
return isSomething( v, function() end );
end
-- @name isNil
function U.isNil( v )
return isSomething( v, nil );
end
-- @name isNumber
function U.isNumber( v )
return isSomething( v, 1 );
end
-- @name isString
function U.isString( v )
return isSomething( v, '' );
end
-- @name isEmpty
function U.isEmpty( s )
return mwTextTrim( s ) == '';
end
-- @name isTable
function U.isTable( v )
return isSomething( v, {} );
end
--[[function U.processArgs( frame, ... )
return
end]]
-- @name getArgs
-- @description Parses arguments.
-- @see [[Module:Arguments]]
--[[local getArgs;
function U.getArgs( ... )
getArgs = getArgs or require( 'Module:Arguments' ).getArgs;
return getArgs( ... );
end]]
-- @name getName
-- @description Gets the localized name of a card, set or character.
-- @see [[Module:Name]]
--[[local getName;
function U.getName( ... )
getName = getName or require( 'Module:Name' ).main;
return getName( ... );
end]]
-- @name newInfoObject
-- @description
-- @see [[Module:Info class]]
local InfoClass;
function U.newInfoObject( title )
InfoClass = InfoClass or require( 'Module:Info class' );
return InfoClass.new( title );
end
----------
-- Return:
----------
return U;
-- </pre>