Method updateMermaidDisplay

src/core/nodeviews/code-block.ts:1454–1472

* 更新 Mermaid 显示

()

   * 更新 Mermaid 显示
   */
  private updateMermaidDisplay(): void {
    if (!this.editorContainer || !this.mermaidPreview) return;

    switch (this.mermaidDisplayMode) {
      case "code":
        this.editorContainer.style.display = "block";
        this.mermaidPreview.style.display = "none";
        break;
      case "diagram":
        this.editorContainer.style.display = "none";
        this.mermaidPreview.style.display = "block";
        break;
      case "mixed":
      default:
        this.editorContainer.style.display = "block";
        this.mermaidPreview.style.display = "block";
        break;
    }
  }

  /**
   * 创建 Mermaid 预览