Imperatives

Passing a function to useEmitter or useEmitters will return an imperative API table. The imperative API allows you to call the emit method on the emitter. Here is an example of how you can use this to make a particle that emits when you click a button:

local function App()
    local emitter, api = ReactEmitter.useEmitter(function()
        return {
            Size = NumberSequence.new(0.2),
            ShapeDimensions = Vector2.new(50, 50),
            Enabled = false,
        }
    end)

    return e("TextButton", {
        Size = UDim2.fromOffset(50, 50),
        [React.Event.Activated] = function()
            api.emit(1)
        end,
    }, {
        Particles = e(ReactEmitter.ParticleRenderer, {
            Emitter = emitter
        })
    })
end

info

You cannot switch between declarative and imperative mode after creating the emitter.