binder

Binder

Binders bind a class to Roblox Instance

Installation

npm install @quenty/binder --save

Usage

-- Setup a class!
local MyClass = {}
MyClass.__index = MyClass

function MyClass.new(robloxInstance)
	print("New tagged instance of ", robloxInstance)
	return setmetatable({}, MyClass)
end

function MyClass:Destroy()
	print("Cleaning up")
	setmetatable(self, nil)
end

-- bind to every instance with tag of "TagName"!
local binder = Binder.new("TagName", MyClass)
binder:Start() -- listens for new instances and connects events

API

Binder.new(tagName, constructor)

Creates a new binder object.

Binder.isBinder(value)

Retrieves whether or not its a binder

Binder:Start()

Listens for new instances and connects to the GetInstanceAddedSignal() and removed signal!

Binder:GetTag()

Returns the tag name that the binder has

Binder:GetConstructor()

Returns whatever was set for the construtor. Used for meta-analysis of the binder, such as extracting new

Binder:ObserveInstance(inst, callback)

Fired when added, and then after removal, but before destroy!

Binder:GetClassAddedSignal()

Returns a new signal that will fire whenever a class is bound to the binder

Binder:GetClassRemovingSignal()

Returns a new signal that will fire whenever a class is removed from the binder

Binder:GetAll()

Returns all of the classes in a new table

local birdBinder = Binder.new("Bird", require("Bird")) -- Load bird into binder

-- Update every bird every frame
RunService.Stepped:Connect(function()
	for _, bird in pairs(birdBinder:GetAll()) do
		bird:Update()
	end
end)

Binder:GetAllSet()

Faster method to get all items in a binder

NOTE: Do not mutate this set directly

local birdBinder = Binder.new("Bird", require("Bird")) -- Load bird into binder

-- Update every bird every frame
RunService.Stepped:Connect(function()
	for bird, _ in pairs(birdBinder:GetAllSet()) do
		bird:Update()
	end
end)

birdBinder:Start()

Binder:Bind(inst)

Binds an instance to this binder using collection service and attempts to return it if it's bound properly. See BinderUtils.promiseBoundClass() for a safe way to retrieve it.

NOTE: Do not assume that a bound object will be retrieved

Binder:Unbind(inst)

Unbinds the instance by removing the tag

Binder:BindClient(inst)

See :Bind(). Acknowledges the risk of doing this on the client. Using this acknowledges that we're intentionally binding on a safe client object, i.e. one without replication. If another tag is changed on this instance, this tag will be lost/changed.

Binder:UnbindClient(inst)

See Unbind(), acknowledges risk of doing this on the client.

Binder:Get(inst)

Returns a version of the clas

Binder:Promise(inst, cancelToken)

Binder:Destroy()

Cleans up all bound classes, and disconnects all events