Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Activate only when a "Scrap" monster you control is destroyed and sent to the Graveyard. Destroy all face-up Spell/Trap Cards on the field.
--スクラップ・クラッシュ
--Scrap Crash
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.cfilter(c,tp)
	return c:IsSetCard(SET_SCRAP) and c:IsReason(REASON_DESTROY) and c:IsPreviousControler(tp)
		and c:GetPreviousLocation()==LOCATION_MZONE and (c:GetPreviousPosition()&POS_FACEUP)~=0
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.filter(c)
	return c:IsFaceup() and c:IsSpellTrap()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,e:GetHandler()) end
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,#g,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,e:GetHandler())
	Duel.Destroy(g,REASON_EFFECT)
end