Migrate to Foundryvtt v10

module.json

@@ -1,10 +1,12 @@
 {
-	"name": "socketlib",
+	"id": "socketlib",
 	"title": "socketlib",
 	"description": "A library for easier handling of foundry sockets",
 	"version": "1.0.10",
-	"minimumCoreVersion" : "0.7.9",
-	"compatibleCoreVersion" : "9",
+	"compatibility": {
+		"minimum": "10",
+		"verified": "10"
+	},
 	"library": true,
 	"authors": [
 		{

src/socketlib.js

@@ -307,7 +307,7 @@ function isResponsibleGM() {
 	if (!game.user.isGM)
 		return false;
 	const connectedGMs = game.users.filter(isActiveGM);
-	return !connectedGMs.some(other => other.data._id < game.user.data._id);
+	return !connectedGMs.some(other => other.id < game.user.id);
 }
 
 function isActiveGM(user) {