Module:Versions

Version/namespace helpers.

For use in templates, see module:versions/parserFunctions

---

local env = {}

local namespaces = {
	-- keys are the canonical namespace name (not aliases)
	['23a'] = {
		-- versions are sorted in ascending order 
		versions = {'0.21', '0.22', '0.23'},
	},
	['40d'] = {
		versions = {'0.27', '0.28'},
	},
	['v0.31'] = {
		versions = {'0.31'},
	},
	['v0.34'] = {
		versions = {'0.34'},
	},
	['DF2014'] = {
		versions = {'0.40', '0.42', '0.43', '0.44', '0.47'},
	},
}
local version_to_namespace = {}
for name, data in pairs(namespaces) do 
	data.canonical_version = data.versions[#data.versions]
	if not data.category_prefix then
		data.category_prefix = name
	end
	for _, version in pairs(data.versions) do
		version_to_namespace[version] = name
	end
end

function env.versionToNamespace(version)
	local parts = mw.text.split(version:gsub('^v', ''), '.', true)
	for _, key in pairs{parts[1], parts[1] .. '.' .. parts[2]} do
		if version_to_namespace[key] then
			return version_to_namespace[key]
		end
	end
	error('Unknown version: ' .. version)
end

env.parserFuncs = {}
for k, v in pairs(env) do
	if type(v) == 'function' then
		env.parserFuncs[k] = function(frame)
			return v(unpack(frame.args))
		end
	end
end

return env