Method cellHeight

src/gridstack.ts:904–935

* Update current cell height - see `GridStackOptions.cellHeight` for format by updating eh Browser CSS variable. * * @param val the cell height. Options: * - `undefined`: cells content will be made square (match width minus margin) * - `0`: the CSS will be generated by the applicatio

(val?: numberOrString)

   * grid.cellHeight('auto');  // auto-size based on content
   */
  public cellHeight(val?: numberOrString): GridStack {

    // if not called internally, check if we're changing mode
    if (val !== undefined) {
      if (this._isAutoCellHeight !== (val === 'auto')) {
        this._isAutoCellHeight = (val === 'auto');
        this._updateResizeEvent();
      }
    }
    if (val === 'initial' || val === 'auto') { val = undefined; }

    // make item content be square
    if (val === undefined) {
      const marginDiff = - (this.opts.marginRight as number) - (this.opts.marginLeft as number)
        + (this.opts.marginTop as number) + (this.opts.marginBottom as number);
      val = this.cellWidth() + marginDiff;
    }

    const data = Utils.parseHeight(val);
    if (this.opts.cellHeightUnit === data.unit && this.opts.cellHeight === data.h) {
      return this;
    }
    this.opts.cellHeightUnit = data.unit;
    this.opts.cellHeight = data.h;

    // finally update var and container
    this.el.style.setProperty('--gs-cell-height', `${this.opts.cellHeight}${this.opts.cellHeightUnit}`);
    this._updateContainerHeight();
    this.resizeToContentCheck();

    return this;
  }

  /** Gets current cell width. */
  /**