yaak-mountain-loop/apps/yaak-client/hooks/useActiveWorkspace.ts

import { useParams } from "@tanstack/react-router";
import { workspaceMetasAtom, workspacesAtom } from "@yaakapp-internal/models";
import { atom } from "jotai";
import { useEffect } from "react";
import { jotaiStore } from "../lib/jotai";

export const activeWorkspaceIdAtom = atom<string | null>(null);

export const activeWorkspaceAtom = atom((get) => {
  const activeWorkspaceId = get(activeWorkspaceIdAtom);
  const workspaces = get(workspacesAtom);
  return workspaces.find((w) => w.id === activeWorkspaceId) ?? null;
});

export const activeWorkspaceMetaAtom = atom((get) => {
  const activeWorkspaceId = get(activeWorkspaceIdAtom);
  const workspaceMetas = get(workspaceMetasAtom);
  return workspaceMetas.find((m) => m.workspaceId === activeWorkspaceId) ?? null;
});

export function useSubscribeActiveWorkspaceId() {
  const { workspaceId } = useParams({ strict: false });
  useEffect(() => jotaiStore.set(activeWorkspaceIdAtom, workspaceId ?? null), [workspaceId]);
}