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fluxer_app/src/stores/DeveloperModeStore.ts

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {makeAutoObservable} from 'mobx';
+import {IS_DEV} from '~/lib/env';
+import {makePersistent} from '~/lib/MobXPersistence';
+import UserStore from '~/stores/UserStore';
+
+const UNLOCK_TAP_THRESHOLD = 7;
+const MAX_TAP_INTERVAL_MS = 1200;
+
+class DeveloperModeStore {
+	manuallyEnabled = false;
+
+	private tapCount = 0;
+	private lastTapAt: number | null = null;
+
+	constructor() {
+		makeAutoObservable(this, {}, {autoBind: true});
+		this.initPersistence();
+	}
+
+	private async initPersistence(): Promise<void> {
+		await makePersistent(this, 'DeveloperModeStore', ['manuallyEnabled']);
+	}
+
+	get isDeveloper(): boolean {
+		if (IS_DEV) return true;
+
+		if (UserStore.currentUser?.isStaff?.()) return true;
+
+		return this.manuallyEnabled;
+	}
+
+	private resetTaps(): void {
+		this.tapCount = 0;
+		this.lastTapAt = null;
+	}
+
+	registerBuildTap(): boolean {
+		if (this.isDeveloper) {
+			this.resetTaps();
+			return false;
+		}
+
+		const now = Date.now();
+		if (this.lastTapAt && now - this.lastTapAt <= MAX_TAP_INTERVAL_MS) {
+			this.tapCount += 1;
+		} else {
+			this.tapCount = 1;
+		}
+		this.lastTapAt = now;
+
+		if (this.tapCount >= UNLOCK_TAP_THRESHOLD) {
+			this.manuallyEnabled = true;
+			this.resetTaps();
+			return true;
+		}
+
+		return false;
+	}
+}
+
+export default new DeveloperModeStore();