Method lookup

vision/textDetection.js:96–102

* Lookup files that contain a given set of words in redis * @param {string[]} words An array of words to lookup * @returns {Promise } Words and their arrays of matching filenames

(words)

   * @returns {Promise<string[][]>} Words and their arrays of matching filenames
   */
  async lookup(words) {
    return Promise.all(
      words
        .map(word => word.toLowerCase())
        .map(word => this.tokenClient.sMembers(word))
    );
  }

  /**
   * Check to see if a Document is already stored in redis.