Module:DependencyList
Module documentation
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Module:DependencyList's function main is invoked by Template:DependencyList.
Module:DependencyList requires .
Module:DependencyList is required by Module:Documentation.
local p = {}
local libraryUtil = require( 'libraryUtil' )
local arr = require( 'Module:Array' )
local yn = require( 'Module:Yesno' )
local param = require( 'Module:Paramtest' )
local dpl = require( 'Module:DPLlua' )
local tooltip = require( 'Module:Tooltip' )
local moduleIsUsed = false
local COLLAPSE_LIST_LENGTH_THRESHOLD = 5
local MAX_DYNAMIC_REQUIRE_LIST_LENGTH = 30
local dynamicRequireListQueryCache = {}
local builtins = {
["libraryUtil"] = {
link = "mw:Special:MyLanguage/Extension:Scribunto/Lua reference manual#libraryUtil",
categories = {},
},
["strict"] = {
link = "mw:Special:MyLanguage/Extension:Scribunto/Lua reference manual#strict",
categories = { "Strict mode modules" },
},
}
--- Used in case 'require( varName )' is found. Attempts to find a string value stored in 'varName'.
---@param content string The content of the module to search in
---@param varName string
---@return string
local function substVarValue( content, varName )
local res = content:match( varName .. '%s*=%s*(%b""%s-%.*)' ) or content:match( varName .. "%s*=%s*(%b''%s-%.*)" ) or ''
if res:find( '^(["\'])[Mm]odule:[%S]+%1' ) and not res:find( '%.%.' ) and not res:find( '%%%a' ) then
return mw.text.trim( res )
else
return ''
end
end
---@param capture string
---@param content string The content of the module to search in
---@return string
local function extractModuleName( capture, content )
capture = capture:gsub( '^%(%s*(.-)%s*%)$', '%1' )
if capture:find( '^(["\']).-%1$' ) then -- Check if it is already a pure string
return capture
elseif capture:find( '^[%a_][%w_]*$' ) then -- Check if if is a single variable
return substVarValue( content, capture )
end
return capture
end
---@param str string
---@return string
local function formatPageName( str )
local name = mw.text.trim(str)
:gsub( '^([\'\"])(.-)%1$', '%2' ) -- Only remove quotes at start and end of string if both are the same type
:gsub( '_', ' ' )
:gsub( '^.', string.upper )
:gsub( ':.', string.upper )
return name
end
---@param str string
---@param allowBuiltins? boolean
---@return string
local function formatModuleName( str, allowBuiltins )
if allowBuiltins then
local name = mw.text.trim(str)
-- Only remove quotes at start and end of string if both are the same type
:gsub([[^(['"])(.-)%1$]], '%2')
if builtins[name] then
return name
end
end
local module = formatPageName( str )
if not string.find( module, '^[Mm]odule:' ) then
module = 'Module:' .. module
end
return module
end
local function dualGmatch( str, pat1, pat2 )
local f1 = string.gmatch( str, pat1 )
if pat2 then
local f2 = string.gmatch( str, pat2 )
return function()
return f1() or f2()
end
else
return f1
end
end
local function isDynamicPath( str )
return string.find( str, '%.%.' ) or string.find( str, '%%%a' )
end
--- Used in case a construct like 'require( "Module:wowee/" .. isTheBest )' is found.
--- Will return a list of pages which satisfy this pattern where 'isTheBest' can take any value.
---@param query string
---@return string[]
local function getDynamicRequireList( query )
if query:find( '%.%.' ) then
query = mw.text.split( query, '..', true )
query = arr.map( query, function(x) return mw.text.trim(x) end )
query = arr.map( query, function(x) return (x:match('^[\'\"](.-)[\'\"]$') or '%') end )
query = table.concat( query )
else
local _, _query = query:match( '(["\'])(.-)%1' )
query = _query:gsub( '%%%a', '%%' )
end
query = query:gsub( '^[Mm]odule:', '' )
if query:find( '^[Ee]xchange/' ) or query:find( '^[Dd]ata/' ) then
return { 'Module:' .. query } -- This format will later be used by formatDynamicQueryLink()
end
if dynamicRequireListQueryCache[ query ] then
return dynamicRequireListQueryCache[ query ]
end
local list = dpl.ask{
namespace = 'Module',
titlematch = query,
nottitlematch = '%/doc|'..query..'/%',
distinct = 'strict',
ignorecase = true,
ordermethod = 'title',
count = MAX_DYNAMIC_REQUIRE_LIST_LENGTH + 1,
skipthispage = 'no',
allowcachedresults = true,
cacheperiod = 604800 -- One week
}
if #list > MAX_DYNAMIC_REQUIRE_LIST_LENGTH then
list = { 'Module:' .. query }
end
dynamicRequireListQueryCache[ query ] = list
return list
end
--- Returns a list of modules loaded and required by module 'moduleName'.
---@param moduleName string
---@param searchForUsedTemplates? boolean
---@return table<string, string[]>
local function getRequireList( moduleName, searchForUsedTemplates )
local content = mw.title.new( moduleName ):getContent()
local requireList = arr{}
local loadDataList = arr{}
local loadJsonDataList = arr{}
local usedTemplateList = arr{}
local dynamicRequirelist = arr{}
local dynamicLoadDataList = arr{}
local dynamicLoadJsonDataList = arr{}
local extraCategories = arr{}
assert( content ~= nil, string.format( '%s does not exist', moduleName ) )
content = content:gsub( '%-%-%[(=-)%[.-%]%1%]', '' ):gsub( '%-%-[^\n]*', '' ) -- Strip comments
local function getList( pat1, pat2, list, dynList )
for match in dualGmatch( content, pat1, pat2 ) do
match = mw.text.trim( match )
local name = extractModuleName( match, content )
if isDynamicPath( name ) then
dynList:insert( getDynamicRequireList( name ), true )
elseif name ~= '' then
name = formatModuleName( name, true )
table.insert( list, name )
if builtins[name] then
extraCategories = extraCategories:insert( builtins[name].categories, true )
end
end
end
end
getList( 'require%s*(%b())', 'require%s*((["\'])%s*[Mm]odule:.-%2)', requireList, dynamicRequirelist )
getList( 'mw%.loadData%s*(%b())', 'mw%.loadData%s*((["\'])%s*[Mm]odule:.-%2)', loadDataList, dynamicLoadDataList )
getList( 'mw%.loadJsonData%s*(%b())', 'mw%.loadJsonData%s*((["\'])%s*[Mm]odule:.-%2)', loadJsonDataList, dynamicLoadJsonDataList )
getList( 'pcall%s*%(%s*require%s*,([^%),]+)', nil, requireList, dynamicRequirelist )
getList( 'pcall%s*%(%s*mw%.loadData%s*,([^%),]+)', nil, loadDataList, dynamicLoadDataList )
getList( 'pcall%s*%(%s*mw%.loadJsonData%s*,([^%),]+)', nil, loadJsonDataList, dynamicLoadJsonDataList )
if searchForUsedTemplates then
for preprocess in string.gmatch( content, ':preprocess%s*(%b())' ) do
local function recursiveGMatch( str, pat )
local list = {}
local i = 0
repeat
for match in string.gmatch( list[i] or str, pat ) do
table.insert( list, match )
end
i = i + 1
until i > #list or i > 100
i = 0
return function()
i = i + 1
return list[i]
end
end
for template in recursiveGMatch( preprocess, '{(%b{})}' ) do
local name = string.match( template, '{(.-)[|{}]' )
if name ~= '' then
if name:find( ':' ) then
local ns = name:match( '^(.-):' )
if arr.contains( {'', 'template', 'calculator', 'user'}, ns:lower() ) then
table.insert( usedTemplateList, name )
elseif ns == ns:upper() then
table.insert( usedTemplateList, ns ) -- Probably a magic word
end
else
if name:match( '^%u+$' ) or name == '!' then
table.insert( usedTemplateList, name ) -- Probably a magic word
else
table.insert( usedTemplateList, 'Template:'..name )
end
end
end
end
end
end
requireList = requireList .. dynamicRequirelist
requireList = requireList:unique()
loadDataList = loadDataList .. dynamicLoadDataList
loadDataList = loadDataList:unique()
loadJsonDataList = loadJsonDataList .. dynamicLoadJsonDataList
usedTemplateList = usedTemplateList:unique()
extraCategories = extraCategories:unique()
table.sort( requireList )
table.sort( loadDataList )
table.sort( loadJsonDataList )
table.sort( usedTemplateList )
table.sort( extraCategories )
return {
requireList = requireList,
loadDataList = loadDataList,
loadJsonDataList = loadJsonDataList,
usedTemplateList = usedTemplateList,
extraCategories = extraCategories
}
end
--- Returns a list with module and function names used in all '{{#Invoke:moduleName|funcName}}' found on page 'templateName'.
---@param templateName string
---@return table<string, string>[]
local function getInvokeCallList( templateName )
local content = mw.title.new( templateName ):getContent()
local invokeList = {}
assert( content ~= nil, string.format( '%s does not exist', templateName ) )
for moduleName, funcName in string.gmatch( content, '{{[{|safeubt:}]-#[Ii]nvoke:([^|]+)|([^}|]+)[^}]*}}' ) do
moduleName = formatModuleName( moduleName )
funcName = mw.text.trim( funcName )
if string.find( funcName, '^{{{' ) then
funcName = funcName .. '}}}'
end
table.insert( invokeList, {moduleName=moduleName, funcName=funcName} )
end
-- For form calcs invoking the module directly
for config in dualGmatch( content, '<pre%s+class%s*=%s*["\']jcConfig["\'](.-)</pre>', '{{[Ff]orm calculator%s*|(.+)}}' ) do
local moduleName = string.match( config, 'module%s*=%s*(.-)[\n|]' )
if param.has_content( moduleName ) then
moduleName = formatModuleName( moduleName )
local funcName = string.match( config, 'modulefunc%s*=%s*(.-)[\n|]' ) or 'main'
table.insert( invokeList, {moduleName=moduleName, funcName=funcName} )
end
end
invokeList = arr.unique( invokeList, function(x) return x.moduleName..x.funcName end )
table.sort( invokeList, function(x, y) return x.moduleName..x.funcName < y.moduleName..y.funcName end )
return invokeList
end
---@param pageName string
---@param addCategories boolean
---@return string
local function messageBoxUnused( pageName, addCategories )
local html = mw.html.create( 'table' ):addClass( 'messagebox obsolete plainlinks' )
html:tag( 'td' )
:attr( 'width', '40xp' )
:wikitext( '[[File:Willow logs (historical).png|center|30px|link=]]' )
:done()
:tag( 'td' )
:wikitext( "'''This module is unused.'''" )
:tag( 'div' )
:css{ ['font-size']='0.85em', ['line-height']='1.45em' }
:wikitext( string.format( 'This module is neither invoked by a template nor required/loaded by another module. If this is in error, make sure to add <code>{{[[Template:Documentation|Documentation]]}}</code>/<code>{{[[Template:No documentation|No documentation]]}}</code> to the calling template\'s or parent\'s module documentation.', pageName ) )
:wikitext( addCategories and '[[Category:Unused modules]]' or '' )
:done()
:done()
return tostring( html )
end
local function collapseList( list, id, listType )
local text = string.format( '%d %s', #list, listType )
local button = tooltip._span{ name=id, alt=text }
list = arr.map( list, function(x) return '\n# '..x end )
local content = tooltip._div{ name=id, content='\n'..table.concat( list )..'\n\n' }
return { tostring( button ) .. tostring( content ) }
end
--- Creates a link to [[Special:Search]] showing all pages found by getDynamicRequireList() in case it found more than MAX_DYNAMIC_REQUIRE_LIST_LENGTH pages.
---@param query string @This will be in a format like 'Module:Wowee/%' or 'Module:Wowee/%/data'
---@return string
local function formatDynamicQueryLink( query )
local prefix = query:match( '^([^/]+)' )
local linkText = query:gsub( '%%', '< ... >' )
query = query:gsub( '^Module:', '' )
query = query:gsub( '([^/]+)/?', function ( match )
if match == '%' then
return '\\/[^\\/]+'
else
return '\\/"' .. match .. '"'
end
end )
query = query:gsub( '^\\/', '' )
query = string.format(
'intitle:/%s%s/i -intitle:/%s\\/""/i -intitle:doc prefix:"%s"',
query,
query:find( '"$' ) and '' or '""',
query,
prefix
)
return string.format( '<span class="plainlinks">[%s %s]</span>', tostring( mw.uri.fullUrl( 'Special:Search', { search = query } ) ), linkText )
end
---@param templateName string
---@param addCategories boolean
---@param invokeList table<string, string>[] @This is the list returned by getInvokeCallList()
---@return string
local function formatInvokeCallList( templateName, addCategories, invokeList )
local category = addCategories and '[[Category:Lua-based templates]]' or ''
local res = {}
for _, item in ipairs( invokeList ) do
table.insert( res, string.format(
"<div class='seealso'>'''%s''' invokes function '''%s''' in [[%s]] using [[Brighter Shores:Lua|Lua]].</div>",
templateName,
item.funcName,
item.moduleName
) )
end
if #invokeList > 0 then
table.insert( res, category )
end
return table.concat( res )
end
---@param moduleName string
---@param addCategories boolean
---@param whatLinksHere string @A list generated by a dpl of pages in the Template or Calculator namespace which link to moduleName.
---@return string
local function formatInvokedByList( moduleName, addCategories, whatLinksHere )
local function lcfirst( str )
return string.gsub( str, '^[Mm]odule:.', string.lower )
end
local templateData = arr.map( whatLinksHere, function(x) return {templateName=x, invokeList=getInvokeCallList(x)} end )
templateData = arr.filter( templateData, function(x)
return arr.any( x.invokeList, function(y)
return lcfirst(y.moduleName) == lcfirst(moduleName)
end )
end )
local invokedByList = {}
for _, template in ipairs( templateData ) do
for _, invoke in ipairs( template.invokeList ) do
table.insert( invokedByList, string.format( "function '''%s''' is invoked by [[%s]]", invoke.funcName, template.templateName ) )
end
end
table.sort( invokedByList)
local res = {}
if #invokedByList > COLLAPSE_LIST_LENGTH_THRESHOLD then
table.insert( res, string.format(
"<div class='seealso'>'''%s''' is invoked by %s.</div>",
moduleName,
collapseList( invokedByList, 'invokedBy', 'templates' )[1]
) )
else
for _, item in ipairs( invokedByList ) do
table.insert( res, string.format(
"<div class='seealso'>'''%s's''' %s.</div>",
moduleName,
item
) )
end
end
if #templateData > 0 then
moduleIsUsed = true
table.insert( res, (addCategories and '[[Category:Template invoked modules]]' or '') )
end
return table.concat( res )
end
---@param moduleName string
---@param addCategories boolean
---@param whatLinksHere string @A list generated by a dpl of pages in the Module namespace which link to moduleName.
---@return string
local function formatRequiredByList( moduleName, addCategories, whatLinksHere )
local childModuleData = arr.map( whatLinksHere, function ( title )
local lists = getRequireList( title )
return {name=title, requireList=lists.requireList, loadDataList=lists.loadDataList .. lists.loadJsonDataList}
end )
local requiredByList = arr.map( childModuleData, function ( item )
if arr.any( item.requireList, function(x) return x:lower()==moduleName:lower() end ) then
if item.name:find( '%%' ) then
return formatDynamicQueryLink( item.name )
else
return '[[' .. item.name .. ']]'
end
end
end )
local loadedByList = arr.map( childModuleData, function ( item )
if arr.any( item.loadDataList, function(x) return x:lower()==moduleName:lower() end ) then
if item.name:find( '%%' ) then
return formatDynamicQueryLink( item.name )
else
return '[[' .. item.name .. ']]'
end
end
end )
if #requiredByList > 0 or #loadedByList > 0 then
moduleIsUsed = true
end
if #requiredByList > COLLAPSE_LIST_LENGTH_THRESHOLD then
requiredByList = collapseList( requiredByList, 'requiredBy', 'modules' )
end
if #loadedByList > COLLAPSE_LIST_LENGTH_THRESHOLD then
loadedByList = collapseList( loadedByList, 'loadedBy', 'modules' )
end
local res = {}
for _, requiredByModuleName in ipairs( requiredByList ) do
table.insert( res, string.format(
"<div class='seealso'>'''%s''' is required by %s.</div>",
moduleName,
requiredByModuleName
) )
end
if #requiredByList > 0 then
table.insert( res, (addCategories and '[[Category:Modules required by modules]]' or '') )
end
for _, loadedByModuleName in ipairs( loadedByList ) do
table.insert( res, string.format(
"<div class='seealso'>'''%s''' is loaded by %s.</div>",
moduleName,
loadedByModuleName
) )
end
if #loadedByList > 0 then
table.insert( res, (addCategories and '[[Category:Module data]]' or '') )
end
return table.concat( res )
end
local function formatImportList( currentPageName, moduleList, id, message, category )
if #moduleList > COLLAPSE_LIST_LENGTH_THRESHOLD then
moduleList = collapseList( moduleList, id, 'modules' )
end
local res = arr.map( moduleList, function( moduleName )
return '<div class="seealso">' .. string.format( message, currentPageName, moduleName ) .. '</div>'
end )
if #moduleList > 0 and category then
table.insert( res, string.format( '[[Category:%s]]', category ) )
end
return table.concat( res )
end
local function formatUsedTemplatesList( currentPageName, addCategories, usedTemplateList )
local res = {}
if #usedTemplateList > COLLAPSE_LIST_LENGTH_THRESHOLD then
usedTemplateList = collapseList( usedTemplateList, 'usedTemplates', 'templates' )
end
for _, templateName in ipairs( usedTemplateList ) do
table.insert( res, string.format(
"<div class='seealso'>'''%s''' transcludes %s using <samp>frame:preprocess()</samp>.</div>",
currentPageName,
templateName
) )
end
return table.concat( res )
end
function p.main( frame )
local args = frame:getParent().args
return p._main( args[1], args.category, args.isUsed )
end
---@param currentPageName string|nil
---@param addCategories boolean|string|nil
---@return string
function p._main( currentPageName, addCategories, isUsed )
libraryUtil.checkType( 'Module:RequireList._main', 1, currentPageName, 'string', true )
libraryUtil.checkTypeMulti( 'Module:RequireList._main', 2, addCategories, {'boolean', 'string', 'nil'} )
libraryUtil.checkTypeMulti( 'Module:RequireList._main', 3, isUsed, {'boolean', 'string', 'nil'} )
local title = mw.title.getCurrentTitle()
-- Leave early if not in module, template or calculator namespace or if module is part of exchange or data groups
if param.is_empty( currentPageName ) and (
( not arr.contains( {'Module', 'Template', 'Calculator'}, title.nsText ) ) or
( title.nsText == 'Module' and ( arr.contains( {'Exchange', 'Exchange historical', 'Data'}, title.text:match( '^(.-)/' ) ) ) )
) then
return ''
end
currentPageName = param.default_to( currentPageName, title.fullText )
currentPageName = string.gsub( currentPageName, '/[Dd]oc$', '' )
currentPageName = formatPageName( currentPageName )
addCategories = yn( param.default_to( addCategories, title.subpageText~='doc' ) )
moduleIsUsed = yn( param.default_to( isUsed, false ) )
if title.text:lower():find( 'sandbox' ) then
moduleIsUsed = true -- Don't show sandbox modules as unused
end
if currentPageName:find( '^Template:' ) or currentPageName:find( '^Calculator:' ) then
local invokeList = getInvokeCallList( currentPageName )
return formatInvokeCallList(currentPageName, addCategories, invokeList)
end
local whatTemplatesLinkHere, whatModulesLinkHere = dpl.ask( {
namespace = 'Template|Calculator',
linksto = currentPageName,
distinct = 'strict',
ignorecase = true,
ordermethod = 'title',
allowcachedresults = true,
cacheperiod = 604800 -- One week
}, {
namespace = 'Module',
linksto = currentPageName,
nottitlematch = '%/doc|Exchange/%|Exchange historical/%|Data/%|' .. currentPageName:gsub( 'Module:', '' ),
distinct = 'strict',
ignorecase = true,
ordermethod = 'title',
allowcachedresults = true,
cacheperiod = 604800 -- One week
} )
local lists = getRequireList( currentPageName, true )
local requireList = arr.map( lists.requireList, function ( moduleName )
if moduleName:find( '%%' ) then
return formatDynamicQueryLink( moduleName )
elseif builtins[moduleName] then
return '[[' .. builtins[moduleName].link .. '|' .. moduleName .. ']]'
else
return '[[' .. moduleName .. ']]'
end
end )
local loadDataList = arr.map( lists.loadDataList, function ( moduleName )
if moduleName:find( '%%' ) then
return formatDynamicQueryLink( moduleName )
else
return '[[' .. moduleName .. ']]'
end
end )
local loadJsonDataList = arr.map( lists.loadJsonDataList, function ( moduleName )
if moduleName:find( '%%' ) then
return formatDynamicQueryLink( moduleName )
else
return '[[' .. moduleName .. ']]'
end
end )
local usedTemplateList = arr.map( lists.usedTemplateList, function( templateName )
if string.find( templateName, ':' ) then -- Real templates are prefixed by a namespace, magic words are not
return '[['..templateName..']]'
else
return "'''{{"..templateName.."}}'''" -- Magic words don't have a page so make them bold instead
end
end )
local res = {}
table.insert( res, formatInvokedByList( currentPageName, addCategories, whatTemplatesLinkHere ) )
table.insert( res, formatImportList( currentPageName, requireList, 'require', "'''%s''' requires %s.", addCategories and 'Modules requiring modules' ) )
table.insert( res, formatImportList( currentPageName, loadDataList, 'loadData', "'''%s''' loads data from %s.", addCategories and 'Modules using data' ) )
table.insert( res, formatImportList( currentPageName, loadJsonDataList, 'loadJsonData', "'''%s''' loads data from %s.", addCategories and 'Modules using data' ) )
table.insert( res, formatUsedTemplatesList( currentPageName, addCategories, usedTemplateList ) )
table.insert( res, formatRequiredByList( currentPageName, addCategories, whatModulesLinkHere ) )
if addCategories then
local extraCategories = arr.map( lists.extraCategories, function( categoryName )
return "[[Category:" .. categoryName .. "]]"
end )
table.insert( res, table.concat( extraCategories ) )
end
if not moduleIsUsed then
table.insert( res, 1, messageBoxUnused( currentPageName:gsub( 'Module:', '' ), addCategories ) )
end
return table.concat( res )
end
return p