NeP Interrupt Certain Spells

-- This would be somewhere in a FakeUnits file.  It could go in your rotation file, but that could get ugly
local spellsToInterrupt = {
    2060, -- Heal
    21162, -- Fireball
    -- And so on
}

local function isCastingInterruptable(unit, distance)
    local actualDist = NeP.DSL:Get("distance")(unit)
    local inFront = NeP.DSL:Get("infront")(unit)

    if actualDist > distance or not inFront then return false

    for intSpell in spellsToInterrupt do
        if NeP.DSL:Get("casting")(unit, intSpell) then return true end
    end
end

NeP.FakeUnits:Add('toInterrupt', function(distance)
    for _, Obj in pairs(NeP.OM:Get(Enemy)) do
        if isCastingInterruptable(Obj.key, distance) then
            return Obj.key
        end
    end

    return nil
 end)

-- This is the line in your rotation
 {Interrupts, 'toInterrupt(5) & toInterrupt(5).interruptAt(50) & toggle(interrupts)', 'toInterrupt(5)'}