From 174aceeb915d3f65162a855f4fd77177002bcaa0 Mon Sep 17 00:00:00 2001
From: Oliver <oliver@noreply.localhost>
Date: Sat, 7 Mar 2026 16:06:18 -0700
Subject: [PATCH] Prevent the content from rerendering when it doesn't get any
 changes, allowing in-progress edits (closes #31)

---
 module/apps/AttributeOnlyPlayerSheet.mjs |  9 ++++++++
 module/apps/PlayerSheet.mjs              | 26 +++++++++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/module/apps/AttributeOnlyPlayerSheet.mjs b/module/apps/AttributeOnlyPlayerSheet.mjs
index 3b811fd..41ee130 100644
--- a/module/apps/AttributeOnlyPlayerSheet.mjs
+++ b/module/apps/AttributeOnlyPlayerSheet.mjs
@@ -14,4 +14,13 @@ export class AttributeOnlyPlayerSheet extends PlayerSheet {
 		return parts;
 	};
 	// #endregion Options
+
+	// #region Lifecycle
+	_configureRenderOptions(options) {
+		super._configureRenderOptions(options);
+
+		// don't attempt to rerender the content
+		options.parts = options.parts?.filter(partID => partID !== `content`);
+	};
+	// #endregion Lifecycle
 };
diff --git a/module/apps/PlayerSheet.mjs b/module/apps/PlayerSheet.mjs
index 84fb281..a1b8069 100644
--- a/module/apps/PlayerSheet.mjs
+++ b/module/apps/PlayerSheet.mjs
@@ -5,7 +5,16 @@ import { TAFDocumentSheetConfig } from "./TAFDocumentSheetConfig.mjs";
 
 const { HandlebarsApplicationMixin } = foundry.applications.api;
 const { ActorSheetV2 } = foundry.applications.sheets;
-const { getProperty } = foundry.utils;
+const { getProperty, hasProperty } = foundry.utils;
+
+const propertyToParts = {
+	"name": [`header`],
+	"img": [`header`],
+	"system.attr": [`attributes`],
+	"system.attr.value": [`attributes`, `content`],
+	"system.attr.max": [`attributes`, `content`],
+	"system.content": [`content`],
+};
 
 export class PlayerSheet extends HandlebarsApplicationMixin(ActorSheetV2) {
 
@@ -95,6 +104,21 @@ export class PlayerSheet extends HandlebarsApplicationMixin(ActorSheetV2) {
 		return controls;
 	};
 
+	_configureRenderOptions(options) {
+		// Only rerender the parts of the app that got changed
+		if (options.renderContext === `updateActor`) {
+			const parts = new Set();
+			for (const property in propertyToParts) {
+				if (hasProperty(options.renderData, property)) {
+					propertyToParts[property].forEach(partID => parts.add(partID));
+				};
+			};
+			options.parts = options.parts?.filter(part => !parts.has(part)) ?? Array.from(parts);
+		};
+
+		super._configureRenderOptions(options);
+	};
+
 	async close() {
 		this.#attributeManager?.close();
 		this.#attributeManager = null;