Module:If preview/sandbox: Difference between revisions

Revision as of 16:01, 30 April 2021

Revision as of 17:16, 4 May 2021

Line 1:

local p = {}

local is_preview = mw.loadData('Module:Preview warning/is preview')

--[[

is_preview

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This function returns either the first argument or second argument passed to

this module, depending on whether the page is being previewed.

Usage:

{{#invoke:If preview|main|value_if_preview|value_if_not_preview}}

]]

function p.main(frame)

if is_preview(frame) then

return frame.args[1] or ''

else

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this module's parent (i.e. template using this module), depending on whether it

is being previewed.

Usage:

{{#invoke:If preview|pmain}}

]]

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This function returns a "preview warning", which is the first argument marked

up with HTML and some supporting text, depending on whether the page is being previewed.

Usage:

{{#invoke:If preview|warning|preview_warning_text}}

]]

function p.warning(frame)

if not is_preview(frame) then return '' end

local warning = frame.args[1]:match('^%s*(.-)%s*$') or ''