Module:Rarity

Provides rarity type data and rendering for use in templates like Template:Rarity.

---

local Rarity = {}

local rarityColors = {
    common    = 'var(--color-rarity-common)',
    uncommon  = 'var(--color-rarity-uncommon)',
    rare      = 'var(--color-rarity-rare)',
    epic      = 'var(--color-rarity-epic)',
    legendary = 'var(--color-rarity-legendary)'
}

-- Returns the canonical rarity key, or nil if absent or empty.
local function normalize(rarity)
    if not rarity or rarity == '' then return nil end
    return string.lower(rarity)
end

--- Returns a CSS color value for a given rarity.
function Rarity.main(frame)
    local rarity = frame.args.rarity
    local key = normalize(rarity)
    local color = key and rarityColors[key]
    if not color then
        error('Module:Rarity: unknown rarity type "' .. tostring(rarity) .. '"')
    end
    return color
end

return Rarity