freezmo/lib/nav.ts
Martin Dvorak 3ea2cea100 Freezmo: self-hosted notes-to-activities study app
Next.js 15 app that turns photos, PDFs, DOCX/PPTX and text into a swipeable
feed of AI-generated activities (flashcards, multiple choice, true/false,
fill-in-the-blank, matching, ordering, short answer) using the user's own
Ollama models.

Highlights:
- All AI calls run in server route handlers; the browser never talks to Ollama.
- Bring-your-own-key mode (default): the key lives only in the browser and is
  sent per-request; server, local-daemon and shared-key modes also supported.
- Client-side document extraction (pdf.js, mammoth, jszip) with scanned-PDF
  page rendering for the vision model; notes stay in their original language.
- ChatGPT-style shell: collapsible sidebar / mobile drawer, neutral token-based
  light + dark themes, folder organisation, PWA (manifest, SW, offline page).
- Strict JSON validation with zod + auto-repair, rate limiting, and request
  guards (cross-origin, body-size, API-key sanitising).
- setup.sh bootstraps deps, .env.local and a production build.

Gitignore excludes .env*, the generated pdf.js worker and local scratch files.
2026-10-06 20:56:55 +00:00

72 lines
1.6 KiB
TypeScript

"use client";
/**
* Folder selection lives outside React so the sidebar (desktop) and the folder
* pills (mobile) can drive the same view.
*/
import { useSyncExternalStore } from "react";
export const ALL_FOLDERS = "all";
let selected = ALL_FOLDERS;
const listeners = new Set<() => void>();
export const folderSelection = {
subscribe(listener: () => void): () => void {
listeners.add(listener);
return () => listeners.delete(listener);
},
getSnapshot(): string {
return selected;
},
getServerSnapshot(): string {
return ALL_FOLDERS;
},
set(id: string): void {
if (selected === id) return;
selected = id;
listeners.forEach((listener) => listener());
},
};
/* Mobile drawer ---------------------------------------------------------- */
let drawerOpen = false;
const drawerListeners = new Set<() => void>();
export const sidebarOpen = {
subscribe(listener: () => void): () => void {
drawerListeners.add(listener);
return () => drawerListeners.delete(listener);
},
getSnapshot(): boolean {
return drawerOpen;
},
getServerSnapshot(): boolean {
return false;
},
set(value: boolean): void {
drawerOpen = value;
drawerListeners.forEach((listener) => listener());
},
toggle(): void {
sidebarOpen.set(!drawerOpen);
},
};
export function useSidebarOpen(): boolean {
return useSyncExternalStore(
sidebarOpen.subscribe,
sidebarOpen.getSnapshot,
sidebarOpen.getServerSnapshot,
);
}
export function useSelectedFolder(): string {
return useSyncExternalStore(
folderSelection.subscribe,
folderSelection.getSnapshot,
folderSelection.getServerSnapshot,
);
}