From bbf37a3324a05b2a713480810a30753b72483464 Mon Sep 17 00:00:00 2001
From: WardPearce <wardpearce@pm.me>
Date: Thu, 23 Apr 2026 22:00:09 +1200
Subject: [PATCH] ability to preserve translation

---
 materialious/src/lib/api/invidious/request.ts | 13 +++++++++---
 .../lib/components/settings/Interface.svelte  | 20 ++++++++++++++++++-
 .../src/lib/externalSettings/settings.ts      |  8 +++++++-
 materialious/src/lib/i18n/locales/en.json     |  1 +
 materialious/src/lib/store.ts                 |  5 +++++
 5 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/materialious/src/lib/api/invidious/request.ts b/materialious/src/lib/api/invidious/request.ts
index bdf2fa9f..05af5a8d 100644
--- a/materialious/src/lib/api/invidious/request.ts
+++ b/materialious/src/lib/api/invidious/request.ts
@@ -1,5 +1,10 @@
 import { getUserLocale } from '$lib/i18n';
-import { interfaceRegionStore, invidiousAuthStore, invidiousInstanceStore } from '$lib/store';
+import {
+	interfacePreserveTranslation,
+	interfaceRegionStore,
+	invidiousAuthStore,
+	invidiousInstanceStore
+} from '$lib/store';
 import { get } from 'svelte/store';
 
 export function buildPath(path: string): URL {
@@ -12,8 +17,10 @@ export function setLocale(url: URL): URL {
 		url.searchParams.set('region', region);
 	}
 
-	const locale = getUserLocale();
-	url.searchParams.set('hl', locale);
+	if (!get(interfacePreserveTranslation)) {
+		const locale = getUserLocale();
+		url.searchParams.set('hl', locale);
+	}
 
 	return url;
 }
diff --git a/materialious/src/lib/components/settings/Interface.svelte b/materialious/src/lib/components/settings/Interface.svelte
index 565f496b..d054b663 100644
--- a/materialious/src/lib/components/settings/Interface.svelte
+++ b/materialious/src/lib/components/settings/Interface.svelte
@@ -24,7 +24,8 @@
 		interfaceSearchHistoryEnabled,
 		interfaceSearchSuggestionsStore,
 		searchHistoryStore,
-		watchHistoryEnabledStore
+		watchHistoryEnabledStore,
+		interfacePreserveTranslation
 	} from '../../store';
 	import { isOwnBackend } from '$lib/shared';
 	import ComboBox from '../ComboBox.svelte';
@@ -257,6 +258,23 @@
 	</nav>
 </div>
 
+<div class="field no-margin">
+	<nav class="no-padding">
+		<div class="max">
+			<div>{$_('layout.preserveTranslation')}</div>
+		</div>
+		<label class="switch" tabindex="0">
+			<input
+				type="checkbox"
+				bind:checked={$interfacePreserveTranslation}
+				onclick={() => interfacePreserveTranslation.set(!$interfacePreserveTranslation)}
+				role="switch"
+			/>
+			<span></span>
+		</label>
+	</nav>
+</div>
+
 {#if Capacitor.getPlatform() == 'android'}
 	<div class="field no-margin">
 		<nav class="no-padding">
diff --git a/materialious/src/lib/externalSettings/settings.ts b/materialious/src/lib/externalSettings/settings.ts
index 2305095c..78deb5cf 100644
--- a/materialious/src/lib/externalSettings/settings.ts
+++ b/materialious/src/lib/externalSettings/settings.ts
@@ -55,7 +55,8 @@ import {
 	filterContentUrlStore,
 	filterContentUrlAutoUpdateStore,
 	interfaceAdvancedThemingStore,
-	interfaceBorderRadiusStore
+	interfaceBorderRadiusStore,
+	interfacePreserveTranslation
 } from '$lib/store';
 import { isOwnBackend } from '$lib/shared';
 import { SUPPORTED_THEME_KEYS } from '$lib/shared/theme';
@@ -290,6 +291,11 @@ export const persistedStores: PersistedStore<any>[] = [
 		name: 'borderRadius',
 		store: interfaceBorderRadiusStore,
 		schema: zNumber
+	},
+	{
+		name: 'preserveTranslation',
+		store: interfacePreserveTranslation,
+		schema: zBoolean
 	}
 ];
 
diff --git a/materialious/src/lib/i18n/locales/en.json b/materialious/src/lib/i18n/locales/en.json
index d307a55b..190a6339 100644
--- a/materialious/src/lib/i18n/locales/en.json
+++ b/materialious/src/lib/i18n/locales/en.json
@@ -194,6 +194,7 @@
 		"deleteAccount": "Delete account",
 		"clickXmoreTimesToDelete": "Click {{clicksTillDelete}} more time(s) to delete",
 		"historyEnabled": "Save watch history",
+		"preserveTranslation": "Use original traslation",
 		"theme": {
 			"theme": "Theme",
 			"darkMode": "Dark mode",
diff --git a/materialious/src/lib/store.ts b/materialious/src/lib/store.ts
index 216abb88..4c3908b8 100644
--- a/materialious/src/lib/store.ts
+++ b/materialious/src/lib/store.ts
@@ -271,6 +271,11 @@ export const interfaceBorderRadiusStore: Writable<number> = persist(
 	createStorage(),
 	'borderRadius'
 );
+export const interfacePreserveTranslation: Writable<boolean> = persist(
+	writable(false),
+	createStorage(),
+	'preserveTranslation'
+);
 
 export const sponsorBlockStore = persist(writable(true), createStorage(), 'sponsorBlock');
 export const sponsorBlockUrlStore: Writable<string | null | undefined> = persist(