Method ensureBlockNode

frontend/lib/src/render-tree/AppRoot.ts:303–308

(
    node: AppNode | undefined,
    mainScriptHash: string = this.mainScriptHash
  )

  }

  private ensureBlockNode(
    node: AppNode | undefined,
    mainScriptHash: string = this.mainScriptHash
  ): BlockNode {
    return (node as BlockNode) ?? new BlockNode(mainScriptHash)
  }

  /**
   * Clears all nodes that are not associated with the mainScriptHash.