How to use the @graffy/common.linkKnown function in @graffy/common

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github usegraffy / graffy / src / cache / Cache.js View on Github external
getStream(query) {
    const id = this.lastListenerId++;
    const [push, stream] = makeStream(() => {
      delete this.listeners[id];
      this.sumQuery = subtractQueries(this.sumQuery, query);
      // console.log(this.id, 'Ended stream', id, query, this.sumQuery);
      // console.log(this.id, 'Resubscribe due to stream close');
      return this.resubscribe();
    });

    this.listeners[id] = {
      originalQuery: query,
      query: linkKnown(this.data, query),
      push,
    };
    this.sumQuery = addQueries(this.sumQuery, query);
    // console.log(this.id, 'Started stream', id, query, this.sumQuery);
    // console.log(this.id, 'Resubscribe due to query start');
    this.resubscribe();
    return stream;
  }
github usegraffy / graffy / src / cache / watch.js View on Github external
pubs[id] = async change => {
      if (earlyChange) {
        merge(earlyChange, change);
        return;
      }

      // Returns early if the change does not have any overlap with the query.
      // DO NOT getKnown the change to only those changes that overlap; when the
      // overlapping portion includes a deletion in a range, the change set
      // may contain additional items to make up.
      if (!getKnown(change, linkKnown(data, query))) return;

      merge(data, change);

      const nextQuery = getUnknown(data, query);

      if (nextQuery) {
        const linked = await store.get(nextQuery, options);
        merge(data, linked);
        if (!options.values) merge(change, linked);
      }
      data = getKnown(data, query);
      push(options.values ? graft(data, query) || {} : change);
    };
github usegraffy / graffy / src / cache / subscribe.js View on Github external
const pub = async change => {
    if (earlyChange) {
      merge(earlyChange, change);
      return;
    }

    // Returns early if the change does not have any overlap with the query.
    // DO NOT getKnown the change to only those changes that overlap; when the
    // overlapping portion includes a deletion in a range, the change set
    // may contain additional items to make up.
    if (!getKnown(change, linkKnown(data, query))) return;

    merge(data, change);

    const nextQuery = getUnknown(data, query);

    if (nextQuery) {
      const linked = await options.resolve(nextQuery);
      merge(data, linked);
      if (!options.values) merge(change, linked);
    }
    data = getKnown(data, query);
    push(options.values ? graft(data, query) || {} : change);
  };
github usegraffy / graffy / src / cache / Cache.js View on Github external
skipCache: true,
          raw: true,
        });
      } catch (e) {
        console.error('Error getting fillData for', gaps);
        console.error(e);
      }
      if (fillData) {
        merge(this.data, fillData);
        merge(value, fillData);
      }
    }

    for (const id in this.listeners) {
      const { lastQuery = {}, originalQuery, push } = this.listeners[id];
      const nextQuery = linkKnown(this.data, originalQuery);
      const query = addQueries(lastQuery, nextQuery);
      this.listeners[id].lastQuery = nextQuery;

      const payload = getKnown(value, query);
      if (payload) push(payload);
    }
  }
}