Module:Link if exists
Implements {{Link if exists}} and {{Auto link}}.
Implements {{Link if exists}} and {{Auto link}}.
Usage
{{#invoke:Link if exists|main}}
Arguments
- 1
- title of page to link to
- 2
- text to display
- prefix
- prepend this string to title
- nsp
- namespace for title, does not display
- color
- Color of text if no link is found
- hide_display
- If page does not exist, do not display anything
require('strict')
local p = {}
local function titleExistsUnprotected(titleObject)
return titleObject.exists
end
-- test for title existing
-- if we get an error accessing titleObject.exists, assume it doesn't exist
local function titleExists(titleObject)
local success, exists = pcall(titleExistsUnprotected, titleObject)
return success and exists
end
function p._main(args)
local title = args[1]
if not title then
return title
end
local display = args[2] or title
title = args.prefix and args.prefix..':'..title or title
local titleObject = mw.title.new(title, args.nsp)
local result = ''
if titleObject and titleExists(titleObject) then
-- use prefix only if args[2] is empty/false
display = args[2] or title
result = result..'[['
result = result..(titleObject.namespace ~= 0 and ':' or '')
result = result..(titleObject.fullText ~= display and titleObject.fullText..'|' or '')
result = result..display..']]'
elseif not args.hide_display then
result = result..(args.color and '<span style="color:'..args.color..'">' or '')
result = result..display
result = result..(args.color and '</span>' or '')
end
return result
end
function p.main(frame)
local getArgs = require('Module:Arguments').getArgs
local args = getArgs(frame)
return p._main(args) or ""
end
-- implement entry points that accept limited arguments
local function filteredMain(args, acceptList)
local filtered = {}
filtered[1] = args[1]
for _, key in ipairs(acceptList) do
filtered[key] = args[key]
end
return p._main(filtered) or ""
end
-- implement [[Template:Link if exists]]
function p.lie(frame)
local getArgs = require('Module:Arguments').getArgs
local args = getArgs(frame)
return filteredMain(args, {"nsp","prefix"})
end
-- implement [[Template:Auto link]]
function p.auto(frame)
local getArgs = require('Module:Arguments').getArgs
local args = getArgs(frame)
return filteredMain(args, {2})
end
--implement [[Template:Category link if exists]]
function p.clie(frame)
local getArgs = require('Module:Arguments').getArgs
local args = getArgs(frame)
args.nsp = 'Category'
args.color = '#888'
return filteredMain(args, {2, "nsp", "color", "hide_display"})
end
return p
Content Disclaimer
Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.
- The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
- There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
- It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
- Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
- Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.