Difference between revisions of "Module:Yesno"

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(change to a simpler Lua-only version)
m (31 revisions imported)
 
(19 intermediate revisions by 10 users not shown)
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-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
+
-- Function allowing for consistent treatment of boolean-like wikitext input.
-- interface for users entering boolean or boolean-style input.
+
-- It works similarly to the template {{yesno}}.
 +
 
 
return function (val, default)
 
return function (val, default)
    val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
+
-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
    if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
+
-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
        return false
+
-- following line.
    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
+
val = type(val) == 'string' and val:lower() or val
        return true
+
if val == nil then
    elseif default ~= nil then
+
return nil
        return default
+
elseif val == true
    else
+
or val == 'yes'
        return true
+
or val == 'y'
    end
+
or val == 'true'
 +
or val == 't'
 +
or tonumber(val) == 1
 +
then
 +
return true
 +
elseif val == false
 +
or val == 'no'
 +
or val == 'n'
 +
or val == 'false'
 +
or val == 'f'
 +
or tonumber(val) == 0
 +
then
 +
return false
 +
else
 +
return default
 +
end
 
end
 
end

Latest revision as of 02:45, 18 May 2018

Documentation for this module may be created at Module:Yesno/doc

-- Function allowing for consistent treatment of boolean-like wikitext input.
-- It works similarly to the template {{yesno}}.

return function (val, default)
	-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
	-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
	-- following line.
	val = type(val) == 'string' and val:lower() or val
	if val == nil then
		return nil
	elseif val == true 
		or val == 'yes'
		or val == 'y'
		or val == 'true'
		or val == 't'
		or tonumber(val) == 1
	then
		return true
	elseif val == false
		or val == 'no'
		or val == 'n'
		or val == 'false'
		or val == 'f'
		or tonumber(val) == 0
	then
		return false
	else
		return default
	end
end