Attach

Import the Attach module from Weave:

local Weave = require(ReplicatedStorage.Weave)
local Attach = Weave.Attach

Weave provides an Attach function for updating any Instance.

Attach(ScreenGui.CoinDisplay.TextLabel) {
    BackgroundColor3 = Color3.new(1, 1, 1),
    BackgroundTransparency = 0,
}

✨ Value and Computed properties update automatically ✨

local coins = Value.new(1100000)

local coinDisplay = Computed.new(function()
    return styleNumber(coins:get())
end)

Attach(ScreenGui.CoinDisplay.TextLabel) {
    Text = coinDisplay,
}

coins:set(756000)

-- TextLabel.Text is now "75.6k"

Source: Pet Simulator 99. Attach updates Instance properties automatically

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Usage

To use Attach:

• Call Attach with the Instance you want to update

Attach(Frame) -- TODO: Add Properties

• Define a table of properties:

Attach(Frame) {
    Size = UDim2.new(1, 0, 1, 0),
}

Attach works on any Instance type and any Property

local brickColor = Value.new(BrickColor.Red())

Attach(workspace.Part) {
    BrickColor = brickColor
}

local visible = Value.new(true)

Attach(ScreenGui.Frame) {
    Visible = visible
}

local cameraType = Value.new(Enum.CameraType.Scriptable)

Attach(workspace.CurrentCamera) {
    CameraType = cameraType
}

Instance Reuse

Attach returns the Instance back to you:

local textLabel = Attach(ScreenGui.TextLabel) {
    Text = "Loading..."
}

print(textLabel.Text) --> Loading...