fix: 🐛 Backport Darkmode to v11

Fixed #447

Author: aMediocreDad

Diff for: .changeset/yellow-tips-beg.md

@@ -0,0 +1,5 @@
+---
+"forbidden-lands": patch
+---
+
+Backported the Dark mode setting to v11 as it was only native to v12

Diff for: lang/en.json

@@ -377,8 +377,8 @@
 	"ROLL.STANDING_DODGE": "Standing dodge",
 	"ROLL_MODIFIER.SELECT": "Please select a modifier",
 	"SCENE.RENDER": "Toggle scene",
-	"SETTINGS.DARKMODE": "Dark Mode (Experimental)",
-	"SETTINGS.DARKMODE_HINT": "Set sheets to display in dark grey instead of white. This is an experimental feature and may give poor contrast with some sheets or UI controls.",
+	"SETTINGS.DARKMODE": "Dark Mode",
+	"SETTINGS.DARKMODE_HINT": "Set sheets to display in sepia instead of white.",
 	"SETTINGS.REMOVEBORDERS": "Remove borders",
 	"SETTINGS.REMOVEBORDERS_HINT": "Remove borders from the sheets to give a more minimalistic look (also improves compatibility with certain modules).",
 	"SHEET.CLOSE": "Close",

Diff for: src/forbidden-lands.ts

@@ -75,6 +75,9 @@ Hooks.once("init", () => {
 	// Remove borders if the setting is enabled
 	if (game.settings.get("forbidden-lands", "removeBorders"))
 		$("html").addClass("no-borders");
+
+	if (game.settings.get("forbidden-lands", "darkmode"))
+		$("body").addClass("theme-dark");
 });
 
 Hooks.once("ready", () => {

Diff for: src/system/core/settings.js

@@ -319,6 +319,16 @@ export default function registerSettings() {
 	/* -------------------------------------------- */
 	/*  Visible                                     */
 	/* -------------------------------------------- */
+	if (Number(game.version?.slice(0, 2)) < 12)
+		game.settings.register("forbidden-lands", "darkmode", {
+			name: "SETTINGS.DARKMODE",
+			hint: "SETTINGS.DARKMODE_HINT",
+			scope: "client",
+			config: true,
+			default: false,
+			requiresReload: true,
+			type: Boolean,
+		});
 
 	game.settings.register("forbidden-lands", "removeBorders", {
 		name: "SETTINGS.REMOVEBORDERS",