expandItem(item, sb) {
        if (item.closest(`.${this.SUBCONTAINER}`)) {
            const id = this.getToggleId(item)
                
            const toggle = sb.querySelector(`[${this.TOGGLE_TRIGGER}="${id}"]`)

            toggle.setAttribute('aria-pressed', true);

            this.addExpandClass(item);
            this.expandItem(toggle, sb)
        }
    }
/**
     * Expand current item
     * @param {Object} item The current item to expand
     */
Expand current item
@param {Object} item The current item to expand
Expand current item @param { Object } item The current item to expand
expandItem(item, sb) {
        if (item.closest(`.${this.SUBCONTAINER}`)) {
            const id = this.getToggleId(item)
            const toggle = sb.querySelector(`[${this.TOGGLE_TRIGGER}="${id}"]`)
            toggle.setAttribute('aria-pressed', true);
            this.addExpandClass(item);
            this.expandItem(toggle, sb)
        }
    }
expandItem ( item , sb ) { if ( item . closest ( ` ${ this . SUBCONTAINER } ` ) ) { const id = this . getToggleId ( item ) const toggle = sb . querySelector ( ` ${ this . TOGGLE_TRIGGER } ${ id } ` ) toggle . setAttribute ( 'aria-pressed' , true ) ; this . addExpandClass ( item ) ; this . expandItem ( toggle , sb ) } }
Expand current item
 @param {Object} item The current item to expand
Expand current item @param { Object } item The current item to expand