My love.run

-- The following function is based on the MIT licensed code here: https://gist.github.com/Positive07/5e80f03cabd069087930d569c148241c
-- Copyright (c) 2018 Arvid Gerstmann, Jake Besworth, Max, Pablo Mayobre, LÖVE Developers, Henry Fleminger Thomson

function love.run()
    love.load(love.arg.parseGameArguments(arg))
    love.timer.step()
    local delta, lag = 0, 0

    return function()
        do -- Events
            love.event.pump()
            for name, a,b,c,d,e,f in love.event.poll() do
                if name == "quit" then
                    if not love.quit() then
                        return a or 0
                    end
                end
                love.handles[name](a,b,c,d,e,f)
            end
        end

        do -- Update
            local start = love.timer.getTime()
            delta = love.timer.step()
            lag = math.min(lag + delta, constants.core.tickRate * constants.core.maxFrameSkip)
            local frames = math.floor(lag / constants.core.tickRate)
            lag = lag % constants.core.tickRate
            for _=1, frames do
                love.update(constants.core.tickRate)
            end
        end

        if love.graphics.isActive() then -- Rendering
            love.graphics.origin()
            love.graphics.clear(love.graphics.getBackgroundColor())
            love.draw()
            love.graphics.present()
        end

        if not settings.current.manualGarbageCollection.disable then -- Garbage collection
            local start = love.timer.getTime()
            for _=1, settings.current.manualGarbageCollection.steps do
                if love.timer.getTime() - start > settings.current.manualGarbageCollection.timeLimit then break end
                collectgarbage("step", 1)
            end

            if collectgarbage("count") / 1024 > settings.current.manualGarbageCollection.safetyMargin then
                collectgarbage("collect")
            end

            collectgarbage("stop")
        end

        love.timer.sleep(0.001)
    end
end