@duongtrungnguyen/next-helper/dist/esm/query/query-client.js

Helper library for Next.js 15

import { queryCache } from "./cache";
class QueryClientImpl {
  constructor() {
    /**
     * A set to keep track of currently fetching queries.
     */
    this.fetchingQueries = /* @__PURE__ */ new Set();
  }
  /**
   * Converts a query key to a string.
   * @param queryKey - The key of the query.
   * @returns The string representation of the query key.
   */
  getKeyString(queryKey) {
    return JSON.stringify(queryKey);
  }
  /**
   * Retrieves the data for a given query key.
   * @param queryKey - The key of the query.
   * @returns The data associated with the query key, or undefined if not found.
   */
  getQueryData(queryKey) {
    return queryCache.get(queryKey);
  }
  /**
   * Sets the data for a given query key.
   * @param queryKey - The key of the query.
   * @param data - The new data or a function that returns the new data based on the old data.
   */
  setQueryData(queryKey, data) {
    const currentData = queryCache.get(queryKey);
    const newData = typeof data === "function" ? data(currentData) : data;
    queryCache.set(queryKey, newData);
  }
  /**
   * Invalidates all queries that match the given query key.
   * @param queryKey - The key of the query.
   */
  async invalidateQueries(queryKey) {
    const matchingKeys = queryCache.getMatchingKeys(queryKey);
    matchingKeys.forEach((key) => {
      queryCache.invalidate(key);
    });
  }
  /**
   * Refetches all queries that match the given query key.
   * @param queryKey - The key of the query.
   */
  async refetchQueries(queryKey) {
    const matchingKeys = queryCache.getMatchingKeys(queryKey);
    matchingKeys.forEach((key) => {
      queryCache.invalidate(key);
    });
  }
  /**
   * Removes all queries that match the given query key.
   * @param queryKey - The key of the query.
   */
  removeQueries(queryKey) {
    const matchingKeys = queryCache.getMatchingKeys(queryKey);
    matchingKeys.forEach((key) => {
      queryCache.remove(key);
    });
  }
  /**
   * Clears all queries from the cache.
   */
  clear() {
    queryCache.clear();
  }
  /**
   * Returns the number of currently fetching queries.
   * @returns The number of fetching queries.
   */
  isFetching() {
    return this.fetchingQueries.size;
  }
  /**
   * Sets the fetching state for a given query key.
   * @param queryKey - The key of the query.
   * @param isFetching - Whether the query is currently fetching.
   */
  setFetching(queryKey, isFetching) {
    const keyString = this.getKeyString(queryKey);
    if (isFetching) {
      this.fetchingQueries.add(keyString);
    } else {
      this.fetchingQueries.delete(keyString);
    }
  }
}
const queryClient = new QueryClientImpl();
export {
  queryClient
};
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