Module:RarityHandler

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

local p = {}

-- Get numeric sort value
function p.getSortValue(frame)
    local rarity = frame.args[1]

    if rarity == nil or type(rarity) ~= "string" then
        return 99
    end

    rarity = mw.text.trim(rarity)
    if rarity:sub(1, 1) == "~" then
        rarity = rarity:sub(2)
    end

    local lowered = string.lower(rarity)

    if lowered == "1" then
        lowered = "always"
    end

    if lowered == "always" then
        return 1
    elseif lowered:match("^1/%d+$") then
        return 2
    elseif lowered == "rare" then
        return 3
    elseif lowered == "never" then
        return 4
    else
        return 99
    end
end

-- Return cleaned display value
function p.normalizeDisplay(frame)
    local rarity = frame.args[1]

    if not rarity or type(rarity) ~= "string" then
        return "Unknown"
    end

    rarity = mw.text.trim(rarity)
    if rarity:sub(1, 1) == "~" then
        rarity = rarity:sub(2)
    end

    if rarity == "1" then
        return "Always"
    end

    return rarity
end

return p