@croct/plug-react/hooks/useContent.js

React components and hooks to plug your React applications into Croct.

"use client";
import { useEffect, useMemo, useState } from "react";
import { getSlotContent } from "@croct/content";
import { useLoader } from "./useLoader.js";
import { useCroct } from "./useCroct.js";
import { isSsr } from "../ssr-polyfills.js";
import { hash } from "../hash.js";
function useCsrContent(id, options = {}) {
  const {
    cacheKey,
    expiration,
    fallback: fallbackContent,
    initial: initialContent,
    staleWhileLoading = false,
    preferredLocale,
    ...fetchOptions
  } = options;
  const normalizedLocale = normalizePreferredLocale(preferredLocale);
  const defaultContent = useMemo(
    () => getSlotContent(id, normalizedLocale) ?? void 0,
    [id, normalizedLocale]
  );
  const fallback = fallbackContent === void 0 ? defaultContent : fallbackContent;
  const [initial, setInitial] = useState(
    () => {
      const content = initialContent === void 0 ? defaultContent : initialContent;
      if (content === void 0) {
        return void 0;
      }
      return { content };
    }
  );
  const croct = useCroct();
  const result = useLoader({
    cacheKey: hash(
      `useContent:${cacheKey ?? ""}:${id}:${normalizedLocale ?? ""}:${JSON.stringify(fetchOptions?.attributes ?? {})}`
    ),
    loader: () => croct.fetch(id, {
      ...fetchOptions,
      ...normalizedLocale !== void 0 ? { preferredLocale: normalizedLocale } : {},
      ...fallback !== void 0 ? { fallback } : {}
    }),
    initial,
    expiration
  });
  useEffect(
    () => {
      if (staleWhileLoading) {
        setInitial((current) => {
          if (current !== result) {
            return result;
          }
          return current;
        });
      }
    },
    [result, staleWhileLoading]
  );
  return result;
}
function useSsrContent(slotId, options = {}) {
  const { initial, preferredLocale } = options;
  const resolvedInitialContent = initial === void 0 ? getSlotContent(slotId, normalizePreferredLocale(preferredLocale)) ?? void 0 : initial;
  if (resolvedInitialContent === void 0) {
    throw new Error(
      "The initial content is required for server-side rendering (SSR). For help, see https://croct.help/sdk/react/missing-slot-content"
    );
  }
  return { content: resolvedInitialContent };
}
function normalizePreferredLocale(preferredLocale) {
  return preferredLocale !== void 0 && preferredLocale !== "" ? preferredLocale : void 0;
}
const useContent = isSsr() ? useSsrContent : useCsrContent;
export {
  useContent
};