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-- <nowiki>
--------------------------------------------------------------------------------
-- Invokes global modules from dev.wikia.com.
--
-- Syntax:
-- {{#invoke:Devmodule|main|<parameters>|#mod=<module-name>|#fun=<function-name>}}
--------------------------------------------------------------------------------
local p = {}
 
local getArgs = require("Dev:Arguments").getArgs
local normalize = require("Dev:NormalizeModuleName")
local userError = require("Dev:User error")
local removeArgs = require("Dev:FrameTools").removeArgs
--% Entry point to use module
--@ frame (table) A scribunto frame
--: (string) The return content of the module 
function p.main(frame)
    local args = getArgs(frame)
    local moduleName = args["#mod"] or args["#modulename"]
    local functionName = args["#fun"] or args["#fname"] or "main"
    local success, _, invokedModule
 
    -- try to `normalize()` the given module name
    -- if this fails, then the user did not pass the right parameters
    success, _, moduleName = pcall(normalize, moduleName)
 
    if not success then
        return userError("no `#mod` parameter given " ..
                         "(should be the name of a module on dev.wikia)")
    end
 
    -- try to `require()` the given module
    -- if this fails, then the user gave an incorrect module name
    success, invokedModule = pcall(require, "Dev:" .. moduleName)
 
    if not success then
        return userError("could not find a module called `" .. moduleName ..
                         "` on dev.wikia")
    end
 
    -- make sure the module has a function called `functionName`
    -- if this fails, then the user gave an incorrect function name
    local func = invokedModule[functionName]
 
    if not func then
        return userError("that module does not have a function called `" ..
                         functionName .. "`")
    end
 
    -- create a frame-like object, without the Devmodule-exclusive arguments
    local pseudoFrame = removeArgs(frame, "#mod", "#modulename", "#fun",
                                   "#fname")
 
    -- call the function
    -- any errors from the function itself will be passed to the user
    return func(pseudoFrame)
end
 
return p
 
-- </nowiki>
-- (Add categories here.)

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