Module:Sandbox/Jikat2/datehanding

Documentation for this module may be created at Module:Sandbox/Jikat2/datehanding/doc

--Google Code-in 2017, Create a general date-handling function, made by Om Desai
local p = {}
p.datehandle = function(frame)
local text = frame.args.text or ""
local type = frame.args.type or "dmy"
local year = ""
local day = ""
local month = ""
local month2 = ""
for i in string.gmatch(text, "%w+") do
    local object, object2 = string.find(i, "%d+")
    if object then i = string.sub(i, object, object2) 
    end
    if tonumber(i) then
      if tonumber(i) < 31 then day = i else year = i
      end
    end
    if string.find("A.D B.C BCE CE",i,1,true) then year = year.." "..i
    end
    s = string.sub(i,1,3)
    local monthcheck = string.find("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec",s,1,true)
    if monthcheck then
    	month = i
    	month2 = (monthcheck + 3)/4
    end
    
end

local msg = "Invalid Date <br>"
if type == "dmy" then
	msg = day.." "..month.." "..year.."<br>"
	if year =="" or month=="" or day=="" then
		msg = "Invalid date <br>"
	end
elseif type == "y" then
	msg = year.."<br>"
	if year =="" then
		msg = "Invalid date <br>"
	end
elseif type == "mdy" then 
	msg = month.." "..day..", "..year.."<br>"
	if year =="" or month=="" or day =="" then
		msg = "Invalid date <br>"
	end
elseif type == "iso" then
	if tonumber(day) < 10 then day = "0"..day
    end
    if month2 < 10 then month2 = "0"..month2
    end
	msg = year.."-"..month2.."-"..day.."<br>"
	if year =="" or month2 =="" or day =="" then
		msg = "Invalid date <br>"
	end
end

return msg
end
return p