feat(react): add tooltip component (#736)

packages/react/src/ui/tooltip/context.tsx

@@ -0,0 +1,24 @@
+'use client';
+
+import type { StateAttrMap, TooltipCore } from '@videojs/core';
+import type { TooltipApi } from '@videojs/core/dom';
+import { createContext, useContext } from 'react';
+
+export interface TooltipContextValue {
+  core: TooltipCore;
+  tooltip: TooltipApi;
+  state: TooltipCore.State;
+  stateAttrMap: StateAttrMap<TooltipCore.State>;
+  anchorName: string;
+  popupId: string;
+}
+
+const TooltipContext = createContext<TooltipContextValue | null>(null);
+
+export const TooltipContextProvider = TooltipContext.Provider;
+
+export function useTooltipContext(): TooltipContextValue {
+  const ctx = useContext(TooltipContext);
+  if (!ctx) throw new Error('Tooltip compound components must be used within a Tooltip.Root');
+  return ctx;
+}