Fixed migration, Spell Skill

module/helpers/migration-helper.js

@@ -0,0 +1,23 @@
+/**
+ * Perform a system migration for the entire World, applying migrations for Actors, Items, and Compendium packs
+ * @return {Promise}      A Promise which resolves once the migration is completed
+ */
+export const migrateWorld = async function () {
+    ui.notifications.info(
+        `Applying System Migration for version ${game.system.data.version}. Please be patient and do not close your game or shut down your server.`,
+        {permanent: true}
+    );
+
+    console.log(game.system.data.version)
+
+    game.items.forEach((item) => {
+        // Migrate to v0.1 from v0.0.1 and v0.0.1
+        if (item.data.type === "spell") {
+            item.update({"data.roll.label": "SPELL.ROLLTITLE"});
+        }
+    });
+
+    // Set the migration as complete
+    game.settings.set("kopparhavet", "worldSchemaVersion", game.system.data.version);
+    ui.notifications.info(`System Migration to version ${game.system.data.version} completed!`, { permanent: true });
+}

module/items/item-sheet.js

@@ -72,6 +72,28 @@ export class ItemSheetKH extends ItemSheet {
                 this.position.width = 405;
                 this.position.height = 570;
                 break;
+            case "spell":
+                // Load Skills Compendium skills
+                let skillList3
+
+                if(game.settings.get("kopparhavet", "gameSystem") === "hjaltarnas-tid") {
+                    skillList3 = await game.packs.get("kopparhavet.skills-ht").getContent();
+                } else {
+                    skillList3 = await game.packs.get("kopparhavet.skills").getContent();
+                }
+
+                for (let item of skillList3) {
+                    if(item.data.type === "skill") {
+                        skillList.push(item)
+                    }
+                }
+
+                // Retrieve any created skills as well
+                for (let item of game.items.entities) {
+                    if(item.data.type === "skill") {
+                        skillList.push(item)
+                    }
+                }
             default:
                 this.position.width = 450;
                 this.position.height = 605;

module/kh-main.js

@@ -4,6 +4,7 @@ import KHHooks from "./kh-hooks.js";
 import { ActorKH } from "./actors/actor.js";
 import { ActorSheetKH } from "./actors/actor-sheet.js";
 import { KH } from "./kh-config.js";
+import * as migrations from "./helpers/migration-helper.js";
 
 Hooks.once("init", () => {
     CONFIG.Combat.initiative = { formula: "(@combat.init)d6kh2", decimals: 0 };
@@ -177,12 +178,21 @@ function registerHandlebarsHelpers() {
 }
 
 function migrateWorld() {
-    game.actors.forEach((actor) => {
-        // Migrate to v0.0.2 from v0.0.1
-        if(actor.data.type === "character") {
-            if(!actor.data?.data?.bio?.appearance) {
-                actor.update({"data.bio.appearance.label": "BIO.APPEARANCE", "data.bio.appearance.value": ""});
-            }
+    // Determine whether a system migration is required and feasible
+    const currentVersion = game.settings.get("kopparhavet", "worldSchemaVersion");
+    const NEEDS_MIGRATION_VERSION = 0.1;
+    const COMPATIBLE_MIGRATION_VERSION = 0;
+    let needMigration = currentVersion < NEEDS_MIGRATION_VERSION || currentVersion === null;
+
+    // Perform the migration
+    if (needMigration && game.user.isGM) {
+        if (currentVersion && currentVersion < COMPATIBLE_MIGRATION_VERSION) {
+            ui.notifications.error(
+                `Your system data is from a version that cannot be reliably migrated to the latest version. The process will be attempted, but errors may occur.`,
+                { permanent: true }
+            );
         }
-    });
+
+        migrations.migrateWorld();
+    }
 }