@tanstack/query-core/build/legacy/infiniteQueryObserver.cjs

The framework agnostic core that powers TanStack Query

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/infiniteQueryObserver.ts
var infiniteQueryObserver_exports = {};
__export(infiniteQueryObserver_exports, {
  InfiniteQueryObserver: () => InfiniteQueryObserver
});
module.exports = __toCommonJS(infiniteQueryObserver_exports);
var import_queryObserver = require("./queryObserver.cjs");
var import_infiniteQueryBehavior = require("./infiniteQueryBehavior.cjs");
var InfiniteQueryObserver = class extends import_queryObserver.QueryObserver {
  constructor(client, options) {
    super(client, options);
  }
  bindMethods() {
    super.bindMethods();
    this.fetchNextPage = this.fetchNextPage.bind(this);
    this.fetchPreviousPage = this.fetchPreviousPage.bind(this);
  }
  setOptions(options) {
    super.setOptions({
      ...options,
      behavior: (0, import_infiniteQueryBehavior.infiniteQueryBehavior)()
    });
  }
  getOptimisticResult(options) {
    options.behavior = (0, import_infiniteQueryBehavior.infiniteQueryBehavior)();
    return super.getOptimisticResult(options);
  }
  fetchNextPage(options) {
    return this.fetch({
      ...options,
      meta: {
        fetchMore: { direction: "forward" }
      }
    });
  }
  fetchPreviousPage(options) {
    return this.fetch({
      ...options,
      meta: {
        fetchMore: { direction: "backward" }
      }
    });
  }
  createResult(query, options) {
    var _a, _b;
    const { state } = query;
    const parentResult = super.createResult(query, options);
    const { isFetching, isRefetching, isError, isRefetchError } = parentResult;
    const fetchDirection = (_b = (_a = state.fetchMeta) == null ? void 0 : _a.fetchMore) == null ? void 0 : _b.direction;
    const isFetchNextPageError = isError && fetchDirection === "forward";
    const isFetchingNextPage = isFetching && fetchDirection === "forward";
    const isFetchPreviousPageError = isError && fetchDirection === "backward";
    const isFetchingPreviousPage = isFetching && fetchDirection === "backward";
    const result = {
      ...parentResult,
      fetchNextPage: this.fetchNextPage,
      fetchPreviousPage: this.fetchPreviousPage,
      hasNextPage: (0, import_infiniteQueryBehavior.hasNextPage)(options, state.data),
      hasPreviousPage: (0, import_infiniteQueryBehavior.hasPreviousPage)(options, state.data),
      isFetchNextPageError,
      isFetchingNextPage,
      isFetchPreviousPageError,
      isFetchingPreviousPage,
      isRefetchError: isRefetchError && !isFetchNextPageError && !isFetchPreviousPageError,
      isRefetching: isRefetching && !isFetchingNextPage && !isFetchingPreviousPage
    };
    return result;
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  InfiniteQueryObserver
});
//# sourceMappingURL=infiniteQueryObserver.cjs.map