A1_exe's Instance.fake

--[[
    Credit Rerumu for introducing me to this technique.
    cc. 2018
]]

local Objects, Types = {}, {Color3 = Color3.new();CFrame = CFrame.new();Vector2 = Vector2.new();Vector3 = Vector3.new();BrickColor = BrickColor.new();Rect = Rect.new();UDim = UDim.new();UDim2 = UDim2.new();NumberRange = NumberRange.new(0,0);NumberSequenceKeypoint = NumberSequenceKeypoint.new(0,0,0);NumberSequence = NumberSequenceKeypoint.new(0,0,0);ColorSequenceKeypoint = ColorSequenceKeypoint.new(0, Color3.new());ColorSequence = ColorSequence.new({ColorSequenceKeypoint.new(0, Color3.new());ColorSequenceKeypoint.new(1, Color3.new());})};
local Classes do
    for i = 1, 10 do
        local Loaded = pcall(function()
            Classes = game:HttpGet('http://anaminus.github.io/rbx/json/api/latest.json', true)
        end)

        if Loaded then
            Classes = game.HttpService:JSONDecode(Classes);
            break
        else
            wait(3/10)
        end
    end
end

for __ = 1, #(Classes) do
    local Value = Classes[__]
    if (Value.type == 'Class') then
        Objects[Value.Name] = Value;
        Objects[Value.Name]['Properties'] = {};
    elseif (Value.type == 'Property') then
        local Ignore do
            for _, T in next, (Value.tags) do
                if (T == 'deprecated')or (T == 'hidden') then
                    Ignore = true
                    break
                end
            end
        end

        if (not Ignore) then
            local Props = Objects[Value.Class].Properties
            Props[#Props + 1] = Value
        end
    end
end

local Instance = Instance
Instance = { new = Instance.new;
    fake = function(ClassName, Parent)
        local Ret, Recurse = {};
        Recurse = function(class)
            local Class = Objects[class]
            if Class then
                for __, Prop in next, (Class.Properties) do
                    if not Ret[Prop.Name] then
                        if Types[Prop.ValueType] then
                            Ret[Prop.Name] = Types[Prop.ValueType]
                        elseif (Prop.ValueType == 'bool') then
                            if (Prop.Default) then
                                Ret[Prop.Name] = (Prop.Default:match('true') and true) or false
                            else
                                Ret[Prop.Name] = false
                            end
                        elseif (Prop.ValueType == 'float') or (Prop.ValueType == 'int') then
                            if (Prop.Default) then
                                Ret[Prop.Name] = tonumber(Prop.Default) or 0
                            else
                                Ret[Prop.Name] = 0
                            end
                        elseif (Prop.ValueType == 'string')then
                            if (Prop.Default) then
                                Ret[Prop.Name] = Prop.Default
                            else
                                Ret[Prop.Name] = ''
                            end
                        end
                    end
                end

                if Class['Superclass'] then
                    Recurse(Class['Superclass'])
                end
            end
        end
        Recurse(ClassName)

        Ret['ClassName'] = ClassName
        if Parent then
            Ret['Parent'] = Parent
        end

        return setmetatable(Ret, {
            --__metatable = getmetatable(game);
            __call = function(Props)
                for Name, Val in next, (self, Props) do
                    Ret[Name] = Val
                end

                return Ret
            end
        })
    end
}

-- EXAMPLE -- (Works Exactly Like Create But Better)
local I = Instance.fake('StringValue', workspace){
    Name        = 'Value',
    Value         = '',
}

print(I)
------------