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Difference between revisions of "Module:Core"

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Line 134: Line 134:
 
         for _, test in ipairs(tests) do
 
         for _, test in ipairs(tests) do
 
             local result = obj.format(nil, test)
 
             local result = obj.format(nil, test)
 +
            mw.log(fn and fn(result) or result)
 +
        end
 +
    end
 +
end
 +
 +
function Utils.registerTableTests(obj, tests, fn)
 +
    obj.run_format_tests = function()
 +
        for _, test in ipairs(tests) do
 +
            local result = obj.Table(nil, test)
 
             mw.log(fn and fn(result) or result)
 
             mw.log(fn and fn(result) or result)
 
         end
 
         end

Revision as of 15:15, 25 March 2017

Documentation for this module may be created at Module:Core/doc

local Utils = {}

-- * Collection functions.

function Utils.find(tbl, v_, k_)
	for _, v in pairs(tbl) do
		if k_ and v[k_] == v_ or not k_ and v == v_ then
			return true
		end
	end
	return false
end

function Utils.map(tbl, fn)
	local result = {}
	for k, v in pairs(tbl) do
		table.insert(result, fn(v, k))
	end
	return result
end
 
function Utils.filter(tbl, pred)
	local result = {}
	for k, v in pairs(tbl) do
		if pred(v, k) then
			table.insert(result, v)
		end
	end
	return result
end

function Utils.first(tbl)
    for k, v in pairs(tbl) do
        return k, v
    end
end

function Utils.ifind(arr, v_)
	for i, v in ipairs(arr) do
		if v == v_ then
			return i
		end
	end
	return false
end

function Utils.imap(arr, fn)
	local result = {}
	for i, v in ipairs(arr) do
		table.insert(result, fn(v, i))
	end
	return result
end

function Utils.ifilter(arr, pred)
	local result = {}
	for i, v in ipairs(arr) do
		if pred(v, i) then
			table.insert(result, v)
		end
	end
	return result
end

function Utils.ifirst(arr)
    for k, v in ipairs(arr) do
        return k, v
    end
end

-- * Calling arbitrary Lua functions using #invoke.

-- Used to call Formatting:tooltip in Template:Tooltip, mainly because Lua code properly escapes characters,
-- so that span's title attribute always works.
function Utils.method(frame)
	local m = require("Module:" .. frame.args[1])
	local f = frame.args[2]
	local args = {}
	for k, v in ipairs(frame.args) do
		if type(k) == "number" and k >= 3 and type(v) == "string" then
			table.insert(args, v)
		end
	end
	return m[f](m, unpack(args))
end

-- * Frame functions.

local getArgs = require("Module:GetArgs")

-- Unused.
function Utils.getContext(frame)
    local frame1 = frame:getParent()
    if frame1 then
        local frame2 = frame1:getParent()
        if frame2 then
            return { pagename = frame2:getTitle(), args = getArgs{ frame = frame2 } }
        else
            return { pagename = frame1:getTitle(), args = getArgs{ frame = frame1 } }
        end
    else
        return { pagename = frame:getTitle(), args = getArgs{ frame = frame } }
    end
end

-- getParent -> getArgs
function Utils.getParentArgs(frame)
    local frame1 = frame:getParent()
    if frame1 then
        return getArgs{ frame = frame1 }
    else
        return nil
    end
end

-- getArgs + getParent -> getArgs, "implicit" args can be defined in the template (e.g. pagename={{PAGENAME}})
-- "explicit" args are user defined.
function Utils.getTemplateArgs(frame)
    local frame1 = frame:getParent()
    if frame1 then
        return { implicit = getArgs{ frame = frame }, explicit = getArgs{ frame = frame1 } }
    else
        return { implicit = getArgs{ frame = frame }, explicit = {} }
    end
end

function Utils.requireModule(name)
    return pcall(function () return require(string.format("Module:%s", name)) end)
end

function Utils.registerFormatTests(obj, tests, fn)
    obj.run_format_tests = function()
        for _, test in ipairs(tests) do
            local result = obj.format(nil, test)
            mw.log(fn and fn(result) or result)
        end
    end
end

function Utils.registerTableTests(obj, tests, fn)
    obj.run_format_tests = function()
        for _, test in ipairs(tests) do
            local result = obj.Table(nil, test)
            mw.log(fn and fn(result) or result)
        end
    end
end

return Utils