In the plugin, don't write properties if they're nil and also a number (#955)

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased Changes
 
+* Fixed `value of type nil cannot be converted to number` warning spam in output. [#955]
+
+[#955]: https://github.com/rojo-rbx/rojo/pull/893
+
 ## [7.4.2] - July 23, 2024
 * Added Never option to Confirmation ([#893])
 * Fixed removing trailing newlines ([#903])

aftman.toml

@@ -1,5 +1,5 @@
 [tools]
-rojo = "rojo-rbx/rojo@7.3.0"
+rojo = "rojo-rbx/rojo@7.4.1"
 selene = "Kampfkarren/selene@0.26.1"
 stylua = "JohnnyMorganz/stylua@0.18.2"
 run-in-roblox = "rojo-rbx/run-in-roblox@0.3.0"

plugin/src/Reconciler/setProperty.lua

@@ -7,7 +7,7 @@ local Log = require(Packages.Log)
 local RbxDom = require(Packages.RbxDom)
 local Error = require(script.Parent.Error)
 
-local function setProperty(instance, propertyName, value)
+local function setProperty(instance: Instance, propertyName: string, value: unknown): boolean
 	local descriptor = RbxDom.findCanonicalPropertyDescriptor(instance.ClassName, propertyName)
 
 	-- We can skip unknown properties; they're not likely reflected to Lua.
@@ -28,6 +28,13 @@ local function setProperty(instance, propertyName, value)
 			})
 	end
 
+	if value == nil then
+		if descriptor.dataType == "Float32" or descriptor.dataType == "Float64" then
+			Log.trace("Skipping nil {} property {}.{}", descriptor.dataType, instance.ClassName, propertyName)
+			return true
+		end
+	end
+
 	local writeSuccess, err = descriptor:write(instance, value)
 
 	if not writeSuccess then