Method hmget

packages/@stdlib/data/src/data-abstraction.ts:259–312

(
    prefix: DataPrefix_,
    suffix: string,
    fields: DataField_[],
    params?: HMGetParams,
  )

    return (await this.hmget(prefix, suffix, [field], params))[0] as any;
  }
  async hmget<
    DataPrefix_ extends DataPrefix,
    DataField_ extends Extract<
      keyof DataHashes_[DataPrefix_]['fields'],
      string
    > = Extract<keyof DataHashes_[DataPrefix_]['fields'], string>,
  >(
    prefix: DataPrefix_,
    suffix: string,
    fields: DataField_[],
    params?: HMGetParams,
  ): Promise<any[]> {
    const dataHash = this.dataHashes[prefix];

    const key = `${prefix}:${suffix}`;

    const fieldInfos: FieldInfo[] = fields.map((field) => ({
      name: field,
      fullKey: `${key}>${field}`,
      infos: dataHash?.fields[field],
    }));

    const dtrx = params?.dtrx ?? new DataTransaction(params?.trx);

    await this._hmgetLocal({
      prefix,
      suffix,
      key,

      fields: fieldInfos,
      remainingFields: fieldInfos,

      dataHash,

      ...params,

      dtrx,
      trx: dtrx.trx,
    });

    // Reset remote cache TTLs

    this.addToTransaction(dtrx, () => {
      for (const field of fieldInfos) {
        void this.redis.expiremember(key, field.name, DEFAULT_REMOTE_TTL);
      }
    });

    if (params?.dtrx == null) {
      await dtrx.commit();
    }

    return fieldInfos.map((fieldInfo) => fieldInfo.value);
  }
  private async _hmgetLocal(params: HMGetInternalParams) {
    const { remainingFields, suffix, dtrx } = params;