Recent requests/workspaces. Closes #1

src-web/hooks/useRecentWorkspaces.ts

@@ -0,0 +1,35 @@
+import { useEffect } from 'react';
+import { createGlobalState, useEffectOnce, useLocalStorage } from 'react-use';
+import { useActiveRequestId } from './useActiveRequestId';
+import { useActiveWorkspaceId } from './useActiveWorkspaceId';
+
+const useHistoryState = createGlobalState<string[]>([]);
+
+export function useRecentWorkspaces() {
+  const activeWorkspaceId = useActiveWorkspaceId();
+  const [history, setHistory] = useHistoryState();
+  const [lsState, setLSState] = useLocalStorage<string[]>('recent_workspaces', []);
+
+  // Load local storage state on initial render
+  useEffectOnce(() => {
+    if (lsState) {
+      setHistory(lsState);
+    }
+  });
+
+  // Update local storage state when history changes
+  useEffect(() => {
+    setLSState(history);
+  }, [history, setLSState]);
+
+  // Set history when active request changes
+  useEffect(() => {
+    setHistory((currentHistory: string[]) => {
+      if (activeWorkspaceId === null) return currentHistory;
+      const withoutCurrentWorkspace = currentHistory.filter((id) => id !== activeWorkspaceId);
+      return [activeWorkspaceId, ...withoutCurrentWorkspace];
+    });
+  }, [activeWorkspaceId, setHistory]);
+
+  return history;
+}