feat: add toRaw()

packages/charm-sync/src/__tests__/patch.spec.luau

@@ -5,7 +5,7 @@ local suite = require("../../../../test/suite")
 local test = suite.test
 local afterEach = suite.afterEach
 
-local function mockArraySerdes(object: { [any]: any }): { [any]: any }
+local function mockArraySerdes(object: {}): {}
 	if object[1] then
 		local copy = {}
 		for index = 1, #object do

packages/charm-sync/src/client.luau

@@ -2,13 +2,11 @@ local Charm = require("../Charm")
 local patch = require("./patch")
 local types = require("./types")
 
+type ReactiveProxy<T = {}> = Charm.ReactiveProxy<T>
 type SyncPayload = types.SyncPayload
 
-type SignalSetter<T = any> = (update: ((T) -> T) | T) -> ()
-
-type ReactiveSetter<T = any> = (update: ((T) -> ()) | T) -> ()
-
-type Reactive<T = any> = typeof(setmetatable({}, {} :: { setValue: ReactiveSetter<T> }))
+type SignalSetter<T = any> = (T | (T) -> T) -> ()
+type ReactiveSetter<T = any> = (T | (T) -> ()) -> ()
 
 local trackedSignals: { [string]: SignalSetter } = {}
 local trackedReactives: { [string]: ReactiveSetter } = {}
@@ -24,12 +22,12 @@ local trackedReactives: { [string]: ReactiveSetter } = {}
 
 	@param signals A map of setter functions to sync with the server.
 ]]
-local function addSignals(signals: { [string]: SignalSetter | { [any]: any } })
+local function addSignals(signals: { [string]: SignalSetter | {} })
 	for key, signal in signals do
 		if type(signal) == "function" then
 			trackedSignals[key] = signal
 		else
-			trackedReactives[key] = getmetatable((signal :: any) :: Reactive).setValue
+			trackedReactives[key] = getmetatable(signal :: ReactiveProxy).set
 		end
 	end
 end

packages/charm-sync/src/patch.luau

@@ -39,7 +39,7 @@ end
 	long as the target array is not sparse. This function ensures that the diff
 	function produces a patch that can be correctly applied.
 ]]
-local function stringifySparseArray(object: { any }): { [string | number]: any }
+local function stringifySparseArray(object: {}): { [string | number]: any }
 	local maxn = table.maxn(object)
 
 	if maxn == 0 or maxn == #object then
@@ -65,7 +65,7 @@ local function diff(oldState: any, newState: any): any
 		return newState
 	end
 
-	local diffs: { [any]: any } = table.clone(newState)
+	local diffs = table.clone(newState)
 
 	for key, oldValue in oldState do
 		diffs[key] = diff(oldValue, newState[key])

packages/charm-sync/src/server.luau

@@ -4,20 +4,19 @@ local patch = require("./patch")
 local types = require("./types")
 local utils = require("./utils")
 
+type ReactiveProxy<T = {}> = Charm.ReactiveProxy<T>
 type SyncPayload = types.SyncPayload
 
 type SyncStatus = number
 
 type ClientKeys = { [string]: SyncStatus }
 
-type Reactive<T> = typeof(setmetatable({}, {} :: { initialValue: T, track: () -> () }))
-
 type TrackedState<T = any> = {
 	target: any,
 	currentValue: T,
 	lastSyncedValue: T,
-	dispose: () -> (),
 	isReactive: boolean?,
+	dispose: () -> (),
 }
 
 type StateUpdate = {
@@ -68,21 +67,21 @@ local function trackSignal<T>(key: string, getter: () -> T)
 	trackedStates[key] = trackedState
 end
 
-local function trackReactive<T>(key: string, reactive: Reactive<T>)
+local function trackReactive<T>(key: string, proxy: ReactiveProxy<T>)
 	if trackedStates[key] then
-		if trackedStates[key].target ~= reactive then
+		if trackedStates[key].target ~= proxy then
 			warn("[Charm] Attempted to sync different states with the same key:", key)
 		end
 		return
 	end
 
-	local meta = getmetatable(reactive)
-	local snapshot = utils.deepCopy(meta.initialValue)
+	local meta = getmetatable(proxy)
+	local snapshot = utils.deepCopy(meta.value)
 	local firstRun = true
 
 	local trackedState = {
-		target = reactive,
-		currentValue = meta.initialValue,
+		target = proxy,
+		currentValue = meta.value,
 		lastSyncedValue = snapshot,
 		isReactive = true,
 	}
@@ -93,7 +92,7 @@ local function trackReactive<T>(key: string, reactive: Reactive<T>)
 			firstRun = false
 		else
 			local oldSnapshot = snapshot
-			snapshot = utils.deepCopy(meta.initialValue)
+			snapshot = utils.deepCopy(meta.value)
 			table.insert(globalUpdates, {
 				key = key,
 				newValue = snapshot,
@@ -258,7 +257,7 @@ end
 	@param client The client receiving state updates.
 	@param signals A map of getter functions to sync with the client.
 ]]
-local function addSignalsToClient(client: any, signals: { [string]: { [any]: any } | () -> any })
+local function addSignalsToClient(client: any, signals: { [string]: {} | () -> any })
 	if not clients[client] then
 		clients[client] = {}
 	end

packages/charm-sync/src/utils.luau

@@ -6,10 +6,6 @@ type NestedTable = {
 	[any]: NestedTable | any,
 }
 
-type FlattenedTable = {
-	[any]: any,
-}
-
 --[[
 	Flattens a nested table into a single table with slash-separated keys.
 	Useful for recursively collecting atoms returned by modules.
@@ -17,15 +13,15 @@ type FlattenedTable = {
 	@param input A nested table.
 	@return A flattened table with slash-separated keys.
 ]]
-local function flatten(input: NestedTable): FlattenedTable
-	local result: FlattenedTable = {}
+local function flatten<Flattened>(input: {}): Flattened
+	local result = {}
 
-	local function visit(node: NestedTable, path: string)
+	local function visit(node: {}, path: string)
 		for key, value in node do
-			local location = if path == "" then key else path .. "/" .. key
+			local location = if path == "" then tostring(key) else path .. "/" .. tostring(key)
 
 			if type(value) == "table" then
-				visit(value :: NestedTable, location)
+				visit(value :: {}, location)
 			else
 				result[location] = value
 			end
@@ -34,7 +30,7 @@ local function flatten(input: NestedTable): FlattenedTable
 
 	visit(input, "")
 
-	return result
+	return result :: any
 end
 
 --[[

packages/charm-sync/src/validate.luau

@@ -1,4 +1,4 @@
-local function isTableUnsafe(object: { [any]: any })
+local function isTableUnsafe(object: {})
 	local key = next(object)
 
 	if key == nil then
@@ -12,7 +12,7 @@ local function isTableUnsafe(object: { [any]: any })
 	for key in object do
 		if type(key) ~= keyType then
 			return true
-		elseif keyType == "number" and key > maxKey then
+		elseif type(key) == "number" and key > maxKey then
 			maxKey = key
 		end
 	end
@@ -33,7 +33,7 @@ end
 	@param value The table value.
 	@param key The key of the value.
 ]]
-local function validate(value: { [any]: any })
+local function validate(value: {})
 	if isTableUnsafe(value) then
 		warn(
 			`Cannot sync tables unsupported by remote events! See the table below for more info.\n\n`