Add some support for feature flags in addition to making roll modes work with custom chat formats

src/consts.mjs

@@ -0,0 +1,3 @@
+export const FEATURE_FLAGS = Object.freeze({
+	ROLLMODECONTENT: `Roll Mode Message Content`,
+});

src/hooks/renderChatMessage.mjs

@@ -0,0 +1,21 @@
+import { FEATURE_FLAGS } from "../consts.mjs";
+
+Hooks.on(`renderChatMessage`, (msg, html) => {
+
+	// Short-Circuit when the flag isn't set for the message
+	if (msg.getFlag(`taf`, `rollModedContent`)) {
+		return;
+	}
+
+	const featureFlags = game.settings.get(game.system.id, `flags`);
+	const featureFlagEnabled = featureFlags.includes(FEATURE_FLAGS.ROLLMODECONTENT);
+
+	const contentElement = html.find(`.message-content`)[0];
+	let content = contentElement.innerHTML;
+	if (featureFlagEnabled && msg.blind && !game.user.isGM) {
+		content = content.replace(/-=.*?=-/gm, `???`);
+	} else {
+		content = content.replace(/-=|=-/gm, ``);
+	}
+	contentElement.innerHTML = content;
+});

src/main.mjs

@@ -7,7 +7,12 @@ import { ItemProxy } from "./documents/Item/_proxy.mjs";
 // DataModel Imports
 import { PlayerData } from "./documents/Actor/Player/Model.mjs";
 
+// Hook Imports
+import "./hooks/renderChatMessage.mjs";
+import "./hooks/hotReload.mjs";
+
 // Misc Imports
+import "./utils/globalTaf.mjs";
 import "./utils/logger.mjs";
 import "./utils/DialogManager.mjs";
 import { registerCustomComponents } from "./components/_index.mjs";

src/settings/world_settings.mjs

@@ -1 +1,24 @@
-export function registerWorldSettings() {};
+import { FEATURE_FLAGS } from "../consts.mjs";
+
+export function registerWorldSettings() {
+	game.settings.register(game.system.id, `flags`, {
+		name: `Feature Flags`,
+		hint: `World-based feature flags that are used to enable/disable specific behaviours`,
+		scope: `world`,
+		type: new foundry.data.fields.SetField(
+			new foundry.data.fields.StringField(
+				{
+					empty: false,
+					trim: true,
+					options: Object.values(FEATURE_FLAGS),
+				},
+			),
+			{
+				required: false,
+				initial: new Set(),
+			},
+		),
+		config: true,
+		requiresReload: true,
+	});
+};

src/utils/feature_flags/rollModeMessageContent.mjs

@@ -0,0 +1,10 @@
+import { FEATURE_FLAGS } from "../../consts.mjs";
+
+export function hideMessageText(content) {
+	const featureFlags = game.settings.get(game.system.id, `flags`);
+	const hideContent = featureFlags.includes(FEATURE_FLAGS.ROLLMODECONTENT);
+	if (hideContent) {
+		return `-=${content}=-`;
+	}
+	return content;
+};

src/utils/globalTaf.mjs

@@ -0,0 +1,11 @@
+import { FEATURE_FLAGS } from "../consts.mjs";
+import { hideMessageText } from "./feature_flags/rollModeMessageContent.mjs";
+
+globalThis.taf = Object.freeze({
+	utils: {
+		hideMessageText,
+	},
+	const: {
+		FEATURE_FLAGS,
+	},
+});