@wordpress/core-data/build-module/queried-data/selectors.js

Access to and manipulation of core WordPress entities.

// packages/core-data/src/queried-data/selectors.js
import EquivalentKeyMap from "equivalent-key-map";
import { createSelector } from "@wordpress/data";
import getQueryParts from "./get-query-parts";
import { setNestedValue } from "../utils";
var queriedItemsCacheByState = /* @__PURE__ */ new WeakMap();
function getQueriedItemsUncached(state, query) {
  const { stableKey, page, perPage, include, fields, context } = getQueryParts(query);
  let itemIds;
  if (state.queries?.[context]?.[stableKey]) {
    itemIds = state.queries[context][stableKey].itemIds;
  }
  if (!itemIds) {
    return null;
  }
  const startOffset = perPage === -1 ? 0 : (page - 1) * perPage;
  const endOffset = perPage === -1 ? itemIds.length : Math.min(startOffset + perPage, itemIds.length);
  const items = [];
  for (let i = startOffset; i < endOffset; i++) {
    const itemId = itemIds[i];
    if (Array.isArray(include) && !include.includes(itemId)) {
      continue;
    }
    if (itemId === void 0) {
      continue;
    }
    if (!state.items[context]?.hasOwnProperty(itemId)) {
      return null;
    }
    const item = state.items[context][itemId];
    let filteredItem;
    if (Array.isArray(fields)) {
      filteredItem = {};
      for (let f = 0; f < fields.length; f++) {
        const field = fields[f].split(".");
        let value = item;
        field.forEach((fieldName) => {
          value = value?.[fieldName];
        });
        setNestedValue(filteredItem, field, value);
      }
    } else {
      if (!state.itemIsComplete[context]?.[itemId]) {
        return null;
      }
      filteredItem = item;
    }
    items.push(filteredItem);
  }
  return items;
}
var getQueriedItems = createSelector((state, query = {}) => {
  let queriedItemsCache = queriedItemsCacheByState.get(state);
  if (queriedItemsCache) {
    const queriedItems = queriedItemsCache.get(query);
    if (queriedItems !== void 0) {
      return queriedItems;
    }
  } else {
    queriedItemsCache = new EquivalentKeyMap();
    queriedItemsCacheByState.set(state, queriedItemsCache);
  }
  const items = getQueriedItemsUncached(state, query);
  queriedItemsCache.set(query, items);
  return items;
});
function getQueriedTotalItems(state, query = {}) {
  const { stableKey, context } = getQueryParts(query);
  return state.queries?.[context]?.[stableKey]?.meta?.totalItems ?? null;
}
function getQueriedTotalPages(state, query = {}) {
  const { stableKey, context } = getQueryParts(query);
  return state.queries?.[context]?.[stableKey]?.meta?.totalPages ?? null;
}
export {
  getQueriedItems,
  getQueriedTotalItems,
  getQueriedTotalPages
};
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