查看“︁模块:CSS”︁的源代码

local p = {}

local static = require('Module:Static')
static.CSS = static.CSS or {}

local function trim(value)
    if value == nil then
        return ''
    end
    return mw.text.trim(tostring(value))
end

local function get_args(frame)
    if frame == mw.getCurrentFrame() and frame:getParent() then
        return require('Module:ProcessArgs').merge(true)
    end
    return frame
end

local function namespace_prefix(code)
    local normalized = trim(code)
    if normalized == '828' then
        return 'Module:'
    end
    if normalized == '4' then
        return 'Project:'
    end
    if normalized == '0' then
        return ':'
    end
    return 'Template:'
end

local function get_fullpagename()
    local title = mw.title.getCurrentTitle()
    return title and title.prefixedText or ''
end

local function mark_loaded(key)
    static.CSS[key] = true
end

local function is_loaded(key)
    return static.CSS[key] == true
end

function p.call(name, ns_code, file_name)
    local frame = mw.getCurrentFrame()
    local target = trim(name)
    if target == '' then
        target = get_fullpagename()
    end

    local suffix = trim(file_name)
    if suffix == '' then
        suffix = 'styles.css'
    else
        suffix = suffix .. '.css'
    end

    local ts_path = namespace_prefix(ns_code) .. target .. '/' .. suffix
    local loaded_key = get_fullpagename() .. '|' .. ts_path
    
    if is_loaded(loaded_key) then
        return ''
    end

    mark_loaded(loaded_key)
    return frame:extensionTag('templatestyles', '', { src = ts_path })
end

function p.quickCall(name, ns_code, file_name)
    return p.call(name, ns_code, file_name)
end

function p.main(frame)
    local args = get_args(frame)
    return p.call(args[1], args[2], args[3])
end

return p