@tanstack/query-core/build/legacy/hydration.js

The framework agnostic core that powers TanStack Query

import "./chunk-PXG64RU4.js";

// src/hydration.ts
function defaultTransformerFn(data) {
  return data;
}
function dehydrateMutation(mutation) {
  return {
    mutationKey: mutation.options.mutationKey,
    state: mutation.state,
    ...mutation.options.scope && { scope: mutation.options.scope },
    ...mutation.meta && { meta: mutation.meta }
  };
}
function dehydrateQuery(query, serializeData, shouldRedactErrors) {
  var _a;
  return {
    state: {
      ...query.state,
      ...query.state.data !== void 0 && {
        data: serializeData(query.state.data)
      }
    },
    queryKey: query.queryKey,
    queryHash: query.queryHash,
    ...query.state.status === "pending" && {
      promise: (_a = query.promise) == null ? void 0 : _a.then(serializeData).catch((error) => {
        if (!shouldRedactErrors(error)) {
          return Promise.reject(error);
        }
        if (process.env.NODE_ENV !== "production") {
          console.error(
            `A query that was dehydrated as pending ended up rejecting. [${query.queryHash}]: ${error}; The error will be redacted in production builds`
          );
        }
        return Promise.reject(new Error("redacted"));
      })
    },
    ...query.meta && { meta: query.meta }
  };
}
function defaultShouldDehydrateMutation(mutation) {
  return mutation.state.isPaused;
}
function defaultShouldDehydrateQuery(query) {
  return query.state.status === "success";
}
function defaultShouldRedactErrors(_) {
  return true;
}
function dehydrate(client, options = {}) {
  var _a, _b, _c, _d;
  const filterMutation = options.shouldDehydrateMutation ?? ((_a = client.getDefaultOptions().dehydrate) == null ? void 0 : _a.shouldDehydrateMutation) ?? defaultShouldDehydrateMutation;
  const mutations = client.getMutationCache().getAll().flatMap(
    (mutation) => filterMutation(mutation) ? [dehydrateMutation(mutation)] : []
  );
  const filterQuery = options.shouldDehydrateQuery ?? ((_b = client.getDefaultOptions().dehydrate) == null ? void 0 : _b.shouldDehydrateQuery) ?? defaultShouldDehydrateQuery;
  const shouldRedactErrors = options.shouldRedactErrors ?? ((_c = client.getDefaultOptions().dehydrate) == null ? void 0 : _c.shouldRedactErrors) ?? defaultShouldRedactErrors;
  const serializeData = options.serializeData ?? ((_d = client.getDefaultOptions().dehydrate) == null ? void 0 : _d.serializeData) ?? defaultTransformerFn;
  const queries = client.getQueryCache().getAll().flatMap(
    (query) => filterQuery(query) ? [dehydrateQuery(query, serializeData, shouldRedactErrors)] : []
  );
  return { mutations, queries };
}
function hydrate(client, dehydratedState, options) {
  var _a, _b;
  if (typeof dehydratedState !== "object" || dehydratedState === null) {
    return;
  }
  const mutationCache = client.getMutationCache();
  const queryCache = client.getQueryCache();
  const deserializeData = ((_a = options == null ? void 0 : options.defaultOptions) == null ? void 0 : _a.deserializeData) ?? ((_b = client.getDefaultOptions().hydrate) == null ? void 0 : _b.deserializeData) ?? defaultTransformerFn;
  const mutations = dehydratedState.mutations || [];
  const queries = dehydratedState.queries || [];
  mutations.forEach(({ state, ...mutationOptions }) => {
    var _a2, _b2;
    mutationCache.build(
      client,
      {
        ...(_a2 = client.getDefaultOptions().hydrate) == null ? void 0 : _a2.mutations,
        ...(_b2 = options == null ? void 0 : options.defaultOptions) == null ? void 0 : _b2.mutations,
        ...mutationOptions
      },
      state
    );
  });
  queries.forEach(({ queryKey, state, queryHash, meta, promise }) => {
    var _a2, _b2;
    let query = queryCache.get(queryHash);
    const data = state.data === void 0 ? state.data : deserializeData(state.data);
    if (query) {
      if (query.state.dataUpdatedAt < state.dataUpdatedAt) {
        const { fetchStatus: _ignored, ...serializedState } = state;
        query.setState({
          ...serializedState,
          data
        });
      }
    } else {
      query = queryCache.build(
        client,
        {
          ...(_a2 = client.getDefaultOptions().hydrate) == null ? void 0 : _a2.queries,
          ...(_b2 = options == null ? void 0 : options.defaultOptions) == null ? void 0 : _b2.queries,
          queryKey,
          queryHash,
          meta
        },
        // Reset fetch status to idle to avoid
        // query being stuck in fetching state upon hydration
        {
          ...state,
          data,
          fetchStatus: "idle"
        }
      );
    }
    if (promise) {
      const initialPromise = Promise.resolve(promise).then(deserializeData);
      void query.fetch(void 0, { initialPromise });
    }
  });
}
export {
  defaultShouldDehydrateMutation,
  defaultShouldDehydrateQuery,
  dehydrate,
  hydrate
};
//# sourceMappingURL=hydration.js.map