Method _updateColumnVar

src/gridstack.ts:414–417

(opts: GridStackOptions = this.opts)

  }

  private _updateColumnVar(opts: GridStackOptions = this.opts): void {
    this.el.classList.add('gs-' + opts.column);
    if (typeof opts.column === 'number') this.el.style.setProperty('--gs-column-width', `${100/opts.column}%`);
  }

  /**
   * add a new widget and returns it.