Method searchContains

packages/graph/src/indexes/FullTextIndex.ts:174–190

* Find documents where the text contains the given substring. * No relevance scoring - returns all matches. * * @param substring The substring to search for. * @returns Set of element IDs containing the substring.

(substring: string)

   * @returns Set of element IDs containing the substring.
   */
  public searchContains(substring: string): Set<ElementId> {
    const result = new Set<ElementId>();

    if (!substring || substring.length === 0) {
      return result;
    }

    const normalizedSubstring = substring.toLowerCase();

    for (const [elementId, text] of this.#documents) {
      if (text.toLowerCase().includes(normalizedSubstring)) {
        result.add(elementId);
      }
    }

    return result;
  }

  /**
   * Find documents where the text starts with the given prefix.