Method copyCodeBlock

src/core/nodeviews/code-block.ts:1158–1160

* 复制代码块到剪贴板

()

   * 复制代码块到剪贴板
   */
  private copyCodeBlock(): void {
    navigator.clipboard.writeText(this.cm.state.doc.toString());
  }

  /**
   * 显示右键菜单