Changed data contexts to use useCallback and fixed performance issues when changing party state

src/workers/DatabaseWorker.js

@@ -4,13 +4,24 @@ import { getDatabase } from "../database";
 
 // Worker to load large amounts of database data on a separate thread
 let obj = {
-  data: [],
-  async loadData(table) {
-    this.data = [];
+  data: null,
+  /**
+   * Load either a whole table or individual item from the DB
+   * @param {string} table Table to load from
+   * @param {string|undefined} key Optional database key to load, if undefined whole table will be loaded
+   */
+  async loadData(table, key) {
     try {
       let db = getDatabase({});
-      // Use a cursor instead of toArray to prevent IPC max size error
-      await db.table(table).each((map) => this.data.push(map));
+      if (key) {
+        // Load specific item
+        this.data = await db.table(table).get(key);
+      } else {
+        // Load entire table
+        this.data = [];
+        // Use a cursor instead of toArray to prevent IPC max size error
+        await db.table(table).each((item) => this.data.push(item));
+      }
     } catch {}
   },
 };