GKFX: Create sandbox version of Module:LoadData

2021-12-18T10:54:18Z

Create sandbox version of Module:LoadData

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local p = {}

-- Finds the next key key <= or >= the given i.
-- operator is ±1
local function findItemRange(data, i, operator)
local bestIndex = nil
i = i * operator
for k, v in pairs(data) do
local kop = type(k) == 'number' and k * operator
if kop and kop <= i and (bestIndex == nil or kop > bestIndex * operator) then
bestIndex = k
end
end
if bestIndex then return data[bestIndex] else return nil end
end

local function load(datamodule, frame)
local args = frame.args
local data = mw.loadData(datamodule)
for i = 1, 20 do
if args[i] then data = data[tonumber(args[i]) or args[i]]
elseif args[i .. ' lteq'] then
data = findItemRange(data, tonumber(args[i .. ' lteq']), 1)
elseif args[i .. ' gteq'] then
data = findItemRange(data, tonumber(args[i .. ' gteq']), -1)
else break end
end

if data == nil then
return args['if_nil'] -- not a required argument, OK to return nil here.
end

if type(data) == 'table' then
-- Put the table into another table because the return value of loadData
-- is a "fake" table that only has certain metamethods.
local realdata = {}
for k, v in pairs(data) do
realdata[k] = v
end
data = realdata
else
data = { data }
end

if args['template'] then
return mw.text.unstripNoWiki(args['template']):format(unpack(data))
elseif args['preprocess'] then
return frame:preprocess(mw.text.unstripNoWiki(args['preprocess']):format(unpack(data)))
else
return table.concat(data)
end
end

return setmetatable({}, {
__index = function(t, k)
return function(frame)
if k:sub(-5) == '.json' then
return load(mw.text.jsonDecode(mw.title.new(k).getContent()), frame)
else
return load(mw.loadData('Module:' .. k), frame)
end
end
end
})

Module:LoadData/sandbox - Revision history

GKFX: Create sandbox version of Module:LoadData