Method select

packages/selection/src/internal/SelectionArea.ts:895–917

* Adds elements to the selection * * @param query - CSS Query, can be an array of queries * @param quiet - If this should not trigger the move event

(query: SelectAllSelectors, quiet = false)

   * @param quiet - If this should not trigger the move event
   */
  select(query: SelectAllSelectors, quiet = false): Element[] {
    const { changed, selected, stored } = this._selection;
    const elements = selectAll(query, this._options.document).filter(
      (el) => !selected.includes(el) && !stored.includes(el)
    );

    // Update element lists
    stored.push(...elements);
    selected.push(...elements);
    changed.added.push(...elements);
    changed.removed = [];

    // We don't know which element was "selected" first so clear it
    this._latestElement = undefined;

    // Fire event
    if (!quiet) {
      this._emitEvent('move', null);
      this._emitEvent('stop', null);
    }

    return elements;
  }

  /**
   * Manually triggers the start of a selection