Module:Infobox

This Lua module is used on approximately 4,470,000 pages, or roughly 1025229% of all pages.
To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

This module is rated as ready for general use. It has reached a mature state, is considered relatively stable and bug-free, and may be used wherever appropriate. It can be mentioned on help pages and other Wikipedia resources as an option for new users. To minimise server load and avoid disruptive output, improvements should be developed through sandbox testing rather than repeated trial-and-error editing.

This module depends on the following other modules:

This module uses TemplateStyles:

Module:Infobox is a module that implements the {{Infobox}} template. Please see the template page for usage instructions.

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-- Module:Infobox (patched with safe guards for missing extensions/modules)

local p = {}

-- ============================================================
-- Helpers
-- ============================================================

-- Safe wrappers to avoid runtime errors if extensions/modules are missing.
local function safe_extension_tag(frame, tag_args)
    local ok, res = pcall(function() return frame:extensionTag(tag_args) end)
    if ok and res then
        return res
    else
        return ''
    end
end

local function safe_require(modname)
    local ok, mod = pcall(require, modname)
    if ok then return mod end
    return nil
end

-- ============================================================
-- Main code
-- ============================================================

-- locals from original module
local args = {}
local root
local lists = {
    hlist_t = { found = true, styles = 'Module:Hlist/styles.css' },
    plainlist_t = { found = true, styles = 'Module:Plainlist/styles.css' }
}

-- Replace loadTemplateStyles with safe version
local function loadTemplateStyles()
    local frame = mw.getCurrentFrame()

    local hlist_templatestyles = ''
    if lists.hlist_t.found then
        hlist_templatestyles = safe_extension_tag(frame, {
            name = 'templatestyles',
            args = { src = lists.hlist_t.styles }
        })
    end

    local plainlist_templatestyles = ''
    if lists.plainlist_t.found then
        plainlist_templatestyles = safe_extension_tag(frame, {
            name = 'templatestyles',
            args = { src = lists.plainlist_t.styles }
        })
    end

    local base_templatestyles = safe_extension_tag(frame, {
        name = 'templatestyles',
        args = { src = 'Module:Infobox/styles.css' }
    })

    local templatestyles = ''
    if args['templatestyles'] then
        templatestyles = safe_extension_tag(frame, {
            name = 'templatestyles',
            args = { src = args['templatestyles'] }
        })
    end

    local child_templatestyles = ''
    if args['child templatestyles'] then
        child_templatestyles = safe_extension_tag(frame, {
            name = 'templatestyles',
            args = { src = args['child templatestyles'] }
        })
    end

    local grandchild_templatestyles = ''
    if args['grandchild templatestyles'] then
        grandchild_templatestyles = safe_extension_tag(frame, {
            name = 'templatestyles',
            args = { src = args['grandchild templatestyles'] }
        })
    end

    return table.concat({
        hlist_templatestyles,
        plainlist_templatestyles,
        base_templatestyles,
        templatestyles,
        child_templatestyles,
        grandchild_templatestyles
    })
end

-- Example: Navbar safe load
local function renderNavbar()
    local Navbar = safe_require('Module:Navbar')
    if Navbar and Navbar._navbar then
        root:wikitext(Navbar._navbar{
            args.name,
            mini = 1,
        })
    else
        root:wikitext(args.name or '')
    end
end

-- Example: Italic title safe load
local function renderItalicTitle()
    local ItalicTitle = safe_require('Module:Italic title')
    local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
    if italicTitle == '' or italicTitle == 'force' or italicTitle == 'yes' then
        if ItalicTitle and ItalicTitle._main then
            root:wikitext(ItalicTitle._main({}))
        else
            -- fallback: do nothing
        end
    end
end

-- ============================================================
-- Exports
-- ============================================================

p._loadTemplateStyles = loadTemplateStyles
p._renderNavbar = renderNavbar
p._renderItalicTitle = renderItalicTitle

return p

Module:Infobox

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