Method deleteCodeBlock

src/core/nodeviews/code-block.ts:1653–1673

* 删除代码块

()

   * 删除代码块
   */
  private deleteCodeBlock(): void {
    const pos = this.getPos();
    if (pos === undefined) return;

    const { state } = this.view;
    const nodeEnd = pos + this.node.nodeSize;

    const tr = state.tr.delete(pos, nodeEnd);

    if (tr.doc.content.size === 0) {
      const paragraph = state.schema.nodes.paragraph.create();
      tr.insert(0, paragraph);
      tr.setSelection(TextSelection.create(tr.doc, 1));
    } else {
      const $pos = tr.doc.resolve(Math.min(pos, tr.doc.content.size));
      tr.setSelection(Selection.near($pos, -1));
    }

    this.view.dispatch(tr);
    this.view.focus();
  }

  /**
   * 更新节点