Updated AddPromise to cancel properly.

src/GetPromiseLibrary.lua

@@ -4,7 +4,7 @@ local ReplicatedStorage = game:GetService("ReplicatedStorage")
 local ServerScriptService = game:GetService("ServerScriptService")
 local ServerStorage = game:GetService("ServerStorage")
 
-local LOCATIONS_TO_SEARCH = {ReplicatedFirst, ReplicatedStorage, ServerScriptService, ServerStorage, script.Parent.Parent}
+local LOCATIONS_TO_SEARCH = {script.Parent.Parent, ReplicatedFirst, ReplicatedStorage, ServerScriptService, ServerStorage}
 
 local function FindFirstDescendantWithNameAndClassName(Parent: Instance, Name: string, ClassName: string)
 	for _, Descendant in ipairs(Parent:GetDescendants()) do

src/init.lua

@@ -154,7 +154,16 @@ function Janitor:AddPromise(PromiseObject)
 
 		if PromiseObject:getStatus() == Promise.Status.Started then
 			local Id = newproxy(false)
-			local NewPromise = self:Add(Promise.resolve(PromiseObject), "cancel", Id)
+			local NewPromise = self:Add(Promise.new(function(Resolve, _, OnCancel)
+				if OnCancel(function()
+					PromiseObject:cancel()
+				end) then
+					return
+				end
+
+				Resolve(PromiseObject)
+			end), "cancel", Id)
+
 			NewPromise:finallyCall(self.Remove, self, Id)
 			return NewPromise
 		else

wally.toml

@@ -2,6 +2,6 @@
 name = "howmanysmall/janitor"
 realm = "shared"
 registry = "https://github.com/UpliftGames/wally-index"
-version = "1.13.13"
+version = "1.13.14"
 
 [dependencies]