Method findCacheLayout

src/gridstack-engine.ts:1233–1235

(n: GridStackNode, column: number)

  }

  protected findCacheLayout(n: GridStackNode, column: number): number | undefined {
    return this._layouts?.[column]?.findIndex(l => l._id === n._id) ?? -1;
  }

  public removeNodeFromLayoutCache(n: GridStackNode) {
    if (!this._layouts) {