Add Document class changes to make the Token bars work with my attributes object

module/documents/Actor.mjs

@@ -0,0 +1,28 @@
+import { Logger } from "../utils/Logger.mjs";
+
+const { Actor } = foundry.documents;
+
+export class TAFActor extends Actor {
+	async modifyTokenAttribute(attribute, value, isDelta = false, isBar = true) {
+		Logger.table({ attribute, value, isDelta, isBar });
+		const attr = foundry.utils.getProperty(this.system, attribute);
+		const current = isBar ? attr.value : attr;
+		const update = isDelta ? current + value : value;
+		if ( update === current ) {
+			return this;
+		};
+
+		// Determine the updates to make to the actor data
+		let updates;
+		if (isBar) {
+			updates = {[`system.${attribute}.value`]: Math.clamp(update, 0, attr.max)};
+		} else {
+			updates = {[`system.${attribute}`]: update};
+		};
+
+		// Allow a hook to override these changes
+		const allowed = Hooks.call(`modifyTokenAttribute`, {attribute, value, isDelta, isBar}, updates, this);
+
+		return allowed !== false ? this.update(updates) : this;
+	}
+};