Method fromMultiSets

packages/db-ivm/src/indexes.ts:164–175

* Create an Index from multiple MultiSet messages. * @param messages - Array of MultiSet messages to build the index from. * @returns A new Index containing all the data from the messages.

(messages: Array<MultiSet<[K, V]>>)

   * @returns A new Index containing all the data from the messages.
   */
  static fromMultiSets<K, V>(messages: Array<MultiSet<[K, V]>>): Index<K, V> {
    const index = new Index<K, V>()

    for (const message of messages) {
      for (const [item, multiplicity] of message.getInner()) {
        const [key, value] = item
        index.addValue(key, [value, multiplicity])
      }
    }

    return index
  }

  /**
   * This method returns a string representation of the index.