Editing Module:Wikipedia fork

local mHatnote = require('Module:Hatnote')
local mArguments = require('Module:Arguments')
local libraryUtil = require('libraryUtil')
local checkType = libraryUtil.checkType
local p = {}

function p.wikipedia_fork(frame)
    -- Get arguments from the frame
    local args = mArguments.getArgs(frame)
    return p._wikipedia_fork(args)
end

function p._wikipedia_fork(args)
    -- Check that args is a table
    checkType('_wikipedia_fork', 1, args, 'table', true)
    args = args or {}

    -- Retrieve the article name and import date
    local articleName = args.article_name or mw.title.getCurrentTitle().text
    local importDate = args.import_date or "an unknown date"

    -- Create the forked article message
    local message = string.format(
        "This article was forked from the [https://en.wikipedia.org/wiki/%s Wikipedia article] on %s.",
        mw.uri.encode(articleName, "PATH"), -- Encode the article name for URL
        importDate
    )

    -- Define the hatnote options to enforce `<div>` and add classes
    local hnOptions = {
        selfref = args.selfref or false,
        inline = 0,  -- Force `<div>` structure
        extraclasses = 'hatnote navigation-not-searchable'
    }

    -- Return the message wrapped in a hatnote
    return mHatnote._hatnote(message, hnOptions)
end

return p