// `usePageContext` allows us to access `pageContext` in any Vue component.
// See https://vite-plugin-ssr.com/pageContext-anywhere

import { inject } from "vue";
import type { App, InjectionKey } from "vue";
import { PageContext } from "./types";

export { usePageContext };
export { setPageContext };

const key: InjectionKey<PageContext> = Symbol();

function usePageContext() {
  const pageContext = inject(key);
  if (!pageContext) throw new Error("setPageContext() not called in parent");
  return pageContext;
}

function setPageContext(app: App, pageContext: PageContext) {
  app.provide(key, pageContext);
}